標題: Fabrication and Study on Red Light Micro-LED Displays
作者: Horng, Ray-Hua
Chien, Huan-Yu
Tarntair, Fu-Gow
Wuu, Dong-Sing
交大名義發表
電子工程學系及電子研究所
National Chiao Tung University
Department of Electronics Engineering and Institute of Electronics
關鍵字: Micro-LED display;ITO electrode;passive mode panel
公開日期: 1-Jan-2018
摘要: A red-light micro LED display made of an AlGaInP epilayer with a resolution of 64 x 32 pixels, a pitch of 175 mu m and a luminous area of 1 cm x 0.5 cm was fabricated and characterized in this study. The AlGaInP epilayer was bonded to double polished sapphire substrate by wafer-bonding technique and then removing the absorbing GaAs substrate. In this design, the ITO was applied as one of the conducting electrodes of the emitting surface, which can be beneficial since the emitting light is not shielded by metal electrodes. The other key process for LED panel fabrication is planarization. Polymer material was used to fill the gap between each pixel, which was used to prevent a short or open circuit using the planarization process. The driving mode of this display is passive multi-electrode addressable controlling. The luminance of this micro-LED panel is more than 450 nits with an operating voltage of 3 V which is three times higher than that of the OLED operating in the same driving mode.
URI: http://dx.doi.org/10.1109/JEDS.2018.2864543
http://hdl.handle.net/11536/148106
ISSN: 2168-6734
DOI: 10.1109/JEDS.2018.2864543
期刊: IEEE JOURNAL OF THE ELECTRON DEVICES SOCIETY
Volume: 6
起始頁: 1064
結束頁: 1069
Appears in Collections:Articles