[PDF] Top 20 Modeling white light-emitting diodes with phosphor layers

... m phosphor film was formed on the chip, and the blue and yellow light intensityies, PB and PY, were measured by an integrating ...the light intensity for the chip with 60 ␮ m film was measured ... See full document

... of phosphor mixed with silicone encapsulant for LEDs I, II, and ...LEDs with a chip size of 24 mil 2 and emission wavelength of about 450 nm were placed in the com- mercial plastic lead-frame package ... See full document

... form phosphor suspension slurry and sprayed onto the surface of ...of phosphor slurry was about 100 m and 50 ...PET with phos- phor sample is measured by BSDF ...of phosphor-doped silicone ... See full document

... fabricating white organic light-emitting devices (OLEDs) with a flexible plastic film embedded with yellow ...the white OLED to have chromatic coordinates of ...warm white ... See full document

... fabricating white organic light-emitting devices (OLEDs) with a flexible plastic film embedded with yellow ...the white OLED to have chromatic coordinates of ...warm white ... See full document

... Manuscript received August 17, 2006; revised October 17, 2006. This work was supported in part by the National Science Council of Taiwan under Grant NSC-95-2215-E-008-008. J.-W. Shi, H.-Y. Huang, C.-K. Wang, Y.-S. Wu, ... See full document

... yellow-emitting phosphor powders are mixed with transparent encapsulated resin and then dispersed in a cup reflector or directly coated on the LED chip ...the phosphor layer to be easily ... See full document

... the phosphor to silicone layer in the conformal and dispensing methods were 50 and ...the phosphor layer in each layer were ...method phosphor layer was ...for light output and provides better ... See full document

... remote phosphor structures is demonstrated using the junction temperature and phosphor ...dramatically with the increased current in the remote phosphor ...remote phosphor structure. ... See full document

... ETL with higher TE, and a more stable blue phosphorescent ...collocate with an orange phosphorescence emitter to fabricate high-efficiency white OLED for lighting ... See full document

... the white emission was generated at the in- terface between the blue emitting layer of anthracene and the green and red emitting layers of Ir 共ppy兲 3 and Ir 共piq兲 2 ...green light ... See full document

... surface phosphor layer 23 were proposed and ...for white LED by the optimized design package and using with patterned sapphire ...excellent light quality is a critical factor that could help ... See full document

... calculating phosphor conversion efficiency from the viewpoint of wavelength ...the phosphor concentration and thus can accurately predict the efficacy and spectrum even for different phosphor types ... See full document

... into phosphor-layer is assumed in both ...embedded white LED was less than the conventional white LED, as shown in ...the white light emission at the top surface of both ...ded ... See full document

... fabricated with the combination of discrete red, green, and blue LEDs ...The phosphor converted LED is an alternative approach for white-light illumination ...blue light from GaN-based ... See full document

... nitride-based white LEDs, whose light extraction was enhanced by a flip chip configuration on a sil- icon ...yellow phosphor layer above the 1  1 mm 2 blue LED chip converted emitted blue light ... See full document

... organic light-emitting diodes (PHOLEDs) by using a thin double-emission ...the emitting layer (EML), constituting a buffer layer between them with the aim of improving charge carrier ... See full document

... as white- emitting phosphors, we have investigated and compared the chromaticity characteristics of the simulated white light gen- erated from commercial Y 3 Al 5 O 12 : Ce 共YAG:Ce, Nichia ... See full document

... White light-emitting diodes 共LEDs兲 could be produced by blue chip-pumped yellow Y 3 Al 5 O 12 : Ce 3+ 共YAG:Ce兲, 1 whereas color rendering index 共CRI兲 of white light made by the ... See full document

... t White organic light emitting diodes (OLEDs) were fabricated for color-tunable lighting ...emission layers (EMLs) were used to enhance the luminance and stability of the devices, which ... See full document