Electro-Optic Technology Application, Volume. 29, Issue 5, 47(2014)

Optical Characterization of Light-Emitting Diodes Fabricated with Vertical and Flip-Chip Structure

LI Yang1... DONG Su-su2, WANG Yi-ran2, WANG Feng-chao2 and ZOU Jun2 |Show fewer author(s)
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  • 1[in Chinese]
  • 2[in Chinese]
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    When driving current is or more than 350 mA operation current, the optical characterization and variation trend of vertical and flip-chip structure light-emitting chip (LED) of 1.16 mm GaN-based blue light chip are researched. With the increasing of the driving current value, comparing with that of vertical structure LED, the luminous flux saturation current value of flip-chip structure LED is increased 350 mA. At the condition of 1 200 mA current value, the luminous flux value is more than 25.9%, the abnormal current value of color temperature is increased 400 mA and luminous efficiency is increased 81 m/W in average. Experimental results show that flip-chip structure LED has better anti-impulse stability from high power current and optical output characterization. And the operation life of LED in application is improved effectively.

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    LI Yang, DONG Su-su, WANG Yi-ran, WANG Feng-chao, ZOU Jun. Optical Characterization of Light-Emitting Diodes Fabricated with Vertical and Flip-Chip Structure[J]. Electro-Optic Technology Application, 2014, 29(5): 47

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    Paper Information

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    Received: Oct. 9, 2014

    Accepted: --

    Published Online: Nov. 6, 2014

    The Author Email:

    DOI:

    CSTR:32186.14.

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