Chemistry and Manufacturing Technology of Electronic Ink for Electrophoretic Displays (A Review)

Иванова, А. Г.; Хамова, Т. В.; Gubanova, N. N.; Масалович, М. С.; Zagrebelnyy, O. A.; Khoroshavina, Yu. V.; Nikolaev, Anton; Коваленко, А. С.; Kruchinina, I. Yu.; Шилова, О. А.

doi:10.1134/s003602362013001x

Cited by 9 publications

(3 citation statements)

References 61 publications

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“…Typically, black particles have a low positive charge, while white particles have a high negative charge. 21,22 To improve the contrast of EPD, the quantity ratio of black and white particles is usually from 1:3 to 1:4.…”

Section: Theorymentioning

confidence: 99%

“…The pixel electrodes are connected to thin‐film transistors for active‐matrix EPD, which generate electric fields to drive the particles. Typically, black particles have a low positive charge, while white particles have a high negative charge 21,22 . To improve the contrast of EPD, the quantity ratio of black and white particles is usually from 1:3 to 1:4.…”

Section: Theorymentioning

confidence: 99%

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Simulation and analysis of edge ghosting for microcapsule e‐paper based on particle dynamics and light scattering model

Zeng,

Liu,

Liu

et al. 2023

J Soc Info Display

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Electronic paper (e‐paper) is a reflective display technology with unique advantages, such as bistability, low‐power consumption, and high ambient contrast ratio. These features make e‐paper a promising candidate for future Internet of Things applications. Among different technologies of e‐paper, electrophoretic display (EPD) is the most successful one for commercialization. However, the edge ghosting (also known as the fringing effect) still limits the performance of EPD. Herein, we established a model of particle dynamics of electrophoresis, simulated the edge ghosting of microcapsule EPD, analyzed the edge ghosting effect, and revealed the relationship between thicknesses, dielectric constants of the back binder layer, and the edge ghosting. Two EPD panels with different thicknesses of back binder layer were demonstrated, which verifies the accuracy of this simulation model. With the proposed model, many device mechanisms and product issues can be analyzed and illustrated, which is supposed to guide the researchers in optimizing the device structure design of EPD.

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Section: Theorymentioning

confidence: 99%

Section: Theorymentioning

confidence: 99%

Simulation and analysis of edge ghosting for microcapsule e‐paper based on particle dynamics and light scattering model

Zeng,

Liu,

Liu

et al. 2023

J Soc Info Display

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show abstract

“…Specifically, the manufacturing processes for electrophoretic particles are often complex and require tedious chemical synthesis and processing. [12] Additionally, current electrophoretic particles typically have limited charge and slow response speed, which restricts their potential for further improvement in display performance. [13,14] Furthermore, achieving color EPD poses challenges as it requires differential control of the surface charges on three or more electrophoretic particle types.…”

Section: Introductionmentioning

confidence: 99%

Coupling‐Grafting‐Ultrasonication Modification of Electrophoretic Particles for Fast Response and High Contrast Ratio Electrophoretic Display

Zhang,

Yang,

Xiong

et al. 2024

Adv Materials Technologies

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Electrophoretic displays (EPDs) show great promise in the field of information display because of their eye‐friendly feature and high ambient visibility. Enhancing electrophoretic particle preparation and optimizing charge properties are crucial for display quality, response speed, and the capability to show full color. Despite the various methods explored, achieving a balance among simplicity, cost‐effectiveness, high surface charge, rapid response, and contrast improvement remains challenging. This study introduces a coupling‐grafting‐ultrasonication (CGU) approach. The surface charge and stability of the particles are turned by precisely adjusting the thickness of the poly (lauryl methacrylate) (PLMA) layer. Through optimization, TiO2‐PLMA electrophoretic particles with a grafting mass of 10 exhibit a fast response (170 ms for white, 120 ms for black), high contrast (30), and demonstrated long‐term stability in EPD devices. Furthermore, the CGU method proves to be versatile for colored EPD particle preparation, providing a new direction for the future development of EPD.

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The Rise, and Fall, and Rise of Electronic Paper

Drzaic¹,

Yang²,

Chiang³

2022

E‐Paper Displays

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Chemistry and Manufacturing Technology of Electronic Ink for Electrophoretic Displays (A Review)

Cited by 9 publications

References 61 publications

Simulation and analysis of edge ghosting for microcapsule e‐paper based on particle dynamics and light scattering model

Simulation and analysis of edge ghosting for microcapsule e‐paper based on particle dynamics and light scattering model

Coupling‐Grafting‐Ultrasonication Modification of Electrophoretic Particles for Fast Response and High Contrast Ratio Electrophoretic Display

The Rise, and Fall, and Rise of Electronic Paper

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