May 2025
Intermediate to advanced
512 pages
16h 39m
English
Content preview from Quantum Dot Display Science and Technology
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Chapter 5Quantum Dot Color Conversion for Liquid Crystal Display
Zhifu Li, Ji Li, Yanan Wang, Hanming Li
TCL China Star Optoelectronics Technology Co., Ltd, Shenzhen, Guangdong, China
5.1 Introduction
Since Sharp Corporation introduced the world’s first full-color liquid crystal display (LCD) in 1988, LCD technology has rapidly developed and emerged as a leading display technology [1]. It has been widely utilized in various products such as laptops, smartphones, monitors, and televisions. Currently, the annual shipment of liquid crystal panels exceeds one billion units. With the emergence of concepts like the metaverse and the internet of things, the future display market shows a continuous expansion trend. Compared with organic light-emitting diodes (OLEDs) and micro light-emitting diodes (micro-LEDs), LCDs have great advantages in cost and screen sizes; they have relatively low color reproduction capabilities. Color gamut is an important indicator to assess color reproduction quality. Therefore, enhancing the color gamut is one of the key directions for LCD technology development. Color filters (CFs) and backlights (BLs) are crucial factors in determining the color gamut of LCDs [2, 3]. As novel luminescent materials, quantum dots (QDs) possess excellent properties such as high quantum yields, tunable emission wavelengths, and narrow emission bands. Integrating QDs into LCDs can significantly enhance the color gamut of displays. Therefore, numerous companies have invested ...
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