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16‐3: High‐end Displays Applications by Micro‐LEDs
Author(s) -
Lin Chien-chung,
Fang Yen-Hsiang,
Kuo Wei-Hung,
Liang Kai-Ling,
Tseng Jie Ting,
Hu Pin Hao,
Lin Mao Chi,
Wu Chih-I
Publication year - 2020
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.13841
Subject(s) - laser linewidth , materials science , substrate (aquarium) , optoelectronics , light emitting diode , quantum dot , led display , laser , optics , computer science , physics , operating system , oceanography , geology
As the request for high resolution display is rising, it is imperative to develop the corresponding micro‐LED technology to match this demand. In this paper, we demonstrate our latest efforts on color conversion patterning and seamless tiling for glass substrate. The color conversion can be achieved by colloidal quantum dots and we have patterns less than 10 microns deposited on LED chips. A continuous operation of more than 100 hours without linewidth broadening can be observed if quantum dots are well protected. The glass cutting technique was accomplished by optimized pulsed laser beam. The heat affected zone can be reduced from 100 to 15 microns. The resultant seamless tiling of the MicroLED on glass substrate can be demonstrated. These techniques can be useful for next generation of high end displays..

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