AI Article Synopsis
- - The study presents a color tunable display made from two stacked micro-LED array chips that emit blue and green light.
- - The pixels can be independently controlled, allowing for four different color modes and enabling tuning of colors across the blue to green spectrum (450 nm - 540 nm).
- - This research showcases an innovative dual color micro-LED array design using a vertically stacked subpixel structure, advancing display technology.
Article Abstract
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.
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| http://dx.doi.org/10.1364/OE.25.002489 | DOI Listing |
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