期刊
OPTICS EXPRESS
卷 25, 期 3, 页码 2489-2495出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.25.002489
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- Ministry of Trade Industry and Energy (MOTIE) [10067424]
- Gwangju Institute of Science and Technology (GIST) [GN2016-05]
We report a color tunable display consisting of two passive-matrix micro-LED array chips. The device has combined vertically stacked blue and green passive-matrix LED array chips sandwiched by a transparent bonding material. We demonstrate that vertically stacked blue and green micro-pixels are independently controllable with operation of four color modes. Moreover, the color of each pixel is tunable in the entire wavelength from the blue to green region (450 nm - 540 nm) by applying pulse-width-modulation bias voltage. This study is meaningful in that a dual color micro-LED array with a vertically stacked subpixel structure is realized. (C) 2017 Optical Society of America.
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