[1] DONG H, JANG H P, WANG J, et al. High-efficiency and color-stable warm white organic light-emitting diodes utilizing energy transfer from interface exciplex［J］. Organic Electronics, 2018, 62: 524-529.
[4] KALYANI T N, DHOBLE S J. Novel materials for fabrication and encapsulation of OLEDs［J］. Renewable and Sustainable Energy Reviews, 2015, 44: 319-347.
[5] ZHOU G J, WONG W Y, SUO S. Recent progress and current challenges in phosphorescent white organic light-emitting diodes (WOLEDs)［J］. Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 2010, 11: 133-156.
[6] XIAO L X, CHEN Z J, QU B, et al. Recent progresses on materials for electrophosphorescentorganic light-emitting devices［J］. Advanced Materials, 2011, 23: 926-952.
[7] YAMAOKA R, SASAKI T, KATAISHI R, et al. High-resolution OLED display with remarkably low power consumption using blue/yellow tandem structure and RGBY subpixels［J］. Journal of the Society for Information Display, 2015, 23(10): 451-456.
[8] MUKHERJEES, THILAGAR P. Organic white-light emitting materials［J］. Dyes and Pigments, 2014, 110: 2-27.
[9] ADACHI C. Third-generation organic electroluminescence materials［J］.Japanese Journal of Applied Physics, 2014, 53: 060101.
[10] SASABE H, KIDO J. Recent progress in phosphorescent organic light-emitting devices［J］. European Journal of Organic Chemistry, 2013, 2013(34): 7653-7663
[11] KIDO J, HONGAWA K, OKUYAMA K, et al. White light-emitting organic electroluminescent devices using the poly(N-vinylcarbazole) emitter layer doped with three fluorescent dyes［J］. Applied Physics Letters, 1994, 64(7): 815-817.
[12] WANG Q, DING J Q, MA D G,et al. Manipulating charges and excitons within a single-host system to accomplish efficiency/CRI/color-stability trade-off for high-performance OWLEDs［J］. Advanced Materials, 2009, 21(23): 2397-2401.
[13] SUN Y R, GIEBINK N C, KANNO H, et al. Management of singlet and triplet excitons for efficient white organic light-emitting devices［J］. Nature, 2006, 440(13): 908-912.
[14] KANG J W, LEE S H, PARK H D, et al. Low roll-off of efficiency at high current density in phosphorescent organic light emitting diodes［J］. Applied Physics Letters, 2007, 90(22): 3508-3510.
[15] ZHAO J, YU J S, HU X, et al. High-efficiency white organic light-emitting devices with a non-doped yellow phosphorescent emissive layer［J］. Thin Solid Films, 2012, 520(11): 4003-4007.
[16] WANG X, ZHANG S, LIU Z, et al. Hybrid white organic light-emitting diodes with improved color stability and negligible efficiency roll-off based on blue fluorescence and yellow phosphorescence［J］. Journal of Luminescence, 2013, 137: 59-63.
[17] CHOU P Y, CHOU H H, CHEN Y H, et al. Efficient delayed fluorescence via triplet-triplet annihilation for deep-blue electroluminescence［J］. Chemical Communications, 2014, 50: 6869-6871.
[18] REINEKE S, WALZER K, LEO K. Triplet-exciton quenching in organic phosphorescent light-emitting diodes with Ir-based emitters［J］. Physical Review B, 2007, 75(12): 125328.
[19] ZHANG D D, DUAN L, LI Y L, et al. Highly efficient and color-stable hybrid warm white organic light-emitting diodes using a blue material with thermally activated delayed fluorescence［J］. Journal of Materials Chemistry C, 2014, 2(38): 8191-8197.
[20] LEE S Y, YASUDAT, NOMURAH, et al. High-efficiency organic light-emitting diodes utilizing thermally activated delayed fluorescence from triazine-based donor-acceptor hybrid molecules［J］. Applied Physics Letters, 2012, 101: 093306.
[21] ENDO A, SATO K, YOSHIMURA K, et al. Efficient upconversion of triplet excitons into a singlet state and its application for organic light emitting diodes［J］. Applied Physics Letters, 2011, 98: 083302.
