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Impact of two-floor air prism arrays as an embedded reflector for enhancing the output power of InGaN/GaN light emitting diodes
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10.1063/1.3270534
/content/aip/journal/apl/95/22/10.1063/1.3270534
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3270534
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Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagram of the mask pattern. The SEM image of grown GaN epilayer is shown in the inset. (b) A schematic of the procedure of the TFAP structure. (c) Bird’s eye SEM image (white dash line: first air prism range, black dash line: second air prism range). (d) Cross-sectional SEM image of black line of (c).

Image of FIG. 2.
FIG. 2.

Diffuse reflectance spectra of different LED structures. The cross-sectional SEM images of LED I, II, and III are shown the inset.

Image of FIG. 3.
FIG. 3.

(a) Typical characteristic of the LED with different air prisms and conventional-LEDs. (b) Plan view of the optical microscope image of emitting TFAP-LED at a high injection current of 100 mA.

Image of FIG. 4.
FIG. 4.

Possible photon path of the (a) LED-II, (b) LED-I, and (c) LED-III.

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/content/aip/journal/apl/95/22/10.1063/1.3270534
2009-12-03
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Impact of two-floor air prism arrays as an embedded reflector for enhancing the output power of InGaN/GaN light emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3270534
10.1063/1.3270534
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