9‐5: Late‐News Paper: A 3.9‐inch LTPS TFT Full Color MicroLED Display with Novel Driving and Reflector Cavity Process

A 3.9′ microLED display prototype with LTPS backplanes has been developed by using a newly‐designed current and PWM hybrid driving technology to lower the color shift, resulting in achieving a higher frame rate. A novel approach for a reflector cavity process for improving outcoupling efficiency was...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2020-08, Vol.51 (1), p.111-114
Main Authors: Tamaki, Masaya, Suzuki, Takanobu, Aoki, Katsumi, Yokoyama, Ryoichi, Ito, Hiroaki, Nakamitsu, Sho, Imaizumi, Kunio, Yamanoguchi, Katsumi, Nishide, Masahiko, Rahadian, Fanny, Matsuda, Seiji, Lang, Erwin, Hoeppel, Lutz
Format: Article
Language:English
Subjects:
Backplanes
Color
current driving
Light emitting diodes
low temperature poly-Si (LTPS) thin film transistor (TFT) active matrix display
micro light emitting diode (microLED)
outcoupling
pulse width modulation (PWM) driving
reflector cavity
wavelength shift
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Summary:A 3.9′ microLED display prototype with LTPS backplanes has been developed by using a newly‐designed current and PWM hybrid driving technology to lower the color shift, resulting in achieving a higher frame rate. A novel approach for a reflector cavity process for improving outcoupling efficiency was also proposed.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.13817