P‐74: Synthesis and Characterizations of High‐Photosensitive Monomers for Black Matrix in Liquid Crystal Displays

Choi, Jungsik; Lee, Changmin; Lee, Kilsung; Park, Jin-Woo; Ahn, Kyungwon; Woo, Jiwon; Han, Gyuseok; Chang, Tuwon

doi:10.1889/1.3621100

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…It is used to isolate the three-primary-color QD sub-pixels, so as to prevent color crosstalk and enhance contrast ratio of μLED displays [40][41]. A traditional BM, 2 made by black photoresist material, can absorb most of light incident to the BM's surface [42][43]. This absorbed light energy accounts for a large proportion of μLED's emission, because the wide angular distribution of μLED displays comes from both the lambertian intensity distribution of μLED and the QD's isotropic scattering [44][45].…”

Section: Introductionmentioning

confidence: 99%

Tripling Light Conversion Efficiency of μLED Displays by Light Recycling Black Matrix

et al. 2022

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Quantum-dot color conversion film (QDCCF) with a partitioned black matrix (BM) realizes effective color generation with low crosstalk for micro-light-emitting diode (μLED) displays. However, this traditional BM seriously deteriorates light conversion efficiency (LCE) of QD converted μLED displays due to its absorption energy loss. In this paper, a novel internal and external reflective black matrix (IERBM) is proposed to improve the LCE and blue light utilization (BLU) by light recycling and reuse. Based on the IERBM structural optimization, the LCE can be respectively improved by 3.39× and 2.74× for red and green QDCC sub-pixels, and the BLU can be effectively increased by 1.11×. Accurate white balance and high color uniformity are achieved by this μLED display. Meanwhile, both the crosstalk of 1.72% and the color gamut of 89.8% Rec. 2020 are comparable with traditional absorptive BM. It is also found that the proposed IERBM has the potential to weaken μLED's sidewall effect. This work may open up a new technological route for improving the optical performance in advanced self-emissive displays.

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Section: Introductionmentioning

confidence: 99%

Tripling Light Conversion Efficiency of μLED Displays by Light Recycling Black Matrix

et al. 2022

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Color-conversion displays: current status and future outlook

Li,

Tseng,

Chen

et al. 2024

Light Sci Appl

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The growing focus on enhancing color quality in liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs) has spurred significant advancements in color-conversion materials. Furthermore, color conversion is also important for the development and commercialization of Micro-LEDs. This article provides a comprehensive review of different types of color conversion methods as well as different types of color conversion materials. We summarize the current status of patterning process, and discuss key strategies to enhance display performance. Finally, we speculate on the future prospects and roles that color conversion will play in ultra-high-definition micro- and projection displays.

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P‐74: Synthesis and Characterizations of High‐Photosensitive Monomers for Black Matrix in Liquid Crystal Displays

Cited by 2 publications

References 3 publications

Tripling Light Conversion Efficiency of μLED Displays by Light Recycling Black Matrix

Tripling Light Conversion Efficiency of μLED Displays by Light Recycling Black Matrix

Color-conversion displays: current status and future outlook

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