Abstract

The electrophoretic display (EPD) has been widely applied on electronic readers (E-Readers) for displaying image/text contents. With a touch panel, the user can put annotations on the contents at will. However, none of the available E-Readers support the function of paintbrush, which allows the user to plot gray tone figures. This is because the EPD is a bistable display whose driving method is quite complicated. In this paper, we first discuss the issues of realizing paintbrush function on the EPD display controller and then propose a new signal processing engine for the paintbrush function. The engine contains four stages: 1) screening the detected pixel coordinates; 2) interpolating pixels; 3) performing image halftoning to generate more visual gray levels; and 4) driving the pixels to the target states. The experimental results show that the engine meets the real-time requirement to complete the pixel interpolation as well as produce the gray-tone traces.

© 2014 IEEE

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  14. W. C. Kao, W. T. Chang, J. A. Ye, "Driving waveform design based on response latency analysis of electrophoretic displays," J. Display Technol. 8, 596-601 (2012).
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  16. B. Lippel, M. Kurland, "The effect of dither on luminance quantization of pictures," IEEE Trans. Commun. Technol. COM-19, 879-888 (1971).
  17. P. W. Besslich, "Comments on electronic techniques for pictorial image reproduction," IEEE Trans. Commun. Technol. COM-31, 846-848 (1983).

2013 (1)

2012 (1)

W. C. Kao, W. T. Chang, J. A. Ye, "Driving waveform design based on response latency analysis of electrophoretic displays," J. Display Technol. 8, 596-601 (2012).

2011 (1)

J. Heikenfeld, P. Drzaic, J. S. Yeo, T. Koch, "A critical review of the present and future prospects for electronic paper," J. SID 19, 129-156 (2011).

2010 (1)

2006 (1)

M. T. Johnson, G. Zhou, R. Zehner, K. Amundson, A. Henzen, J. Kamer, "High-quality images on electrophoretic displays," J. SID 14, 175-180 (2006).

2005 (1)

K. J. Allen, "Reel to real: Prospects for flexible displays," Proc. IEEE 93, 1394-1399 (2005).

2003 (1)

Y. Chen, J. Au, P. Kazlas, A. Ritenour, H. Gates, M. McCreary, "Flexible active-matrix electronic ink display," Nature 423, 136 (2003).

2002 (1)

S. Inoue, H. Kawai, S. Kanbe, T. Saeki, T. Shimoda, "High-resolution microencapsulated electrohoretic display (EPD) driven by poly-Si TFTs with four-level grayscale," IEEE Trans. Electron Devices 49, 1532-1539 (2002).

1983 (1)

P. W. Besslich, "Comments on electronic techniques for pictorial image reproduction," IEEE Trans. Commun. Technol. COM-31, 846-848 (1983).

1981 (1)

J. C. Stoffel, "A survey of electronic techniques for pictorial image reproduction," IEEE Trans. Commun. Technol. COM-29, 1898-1925 (1981).

1971 (1)

B. Lippel, M. Kurland, "The effect of dither on luminance quantization of pictures," IEEE Trans. Commun. Technol. COM-19, 879-888 (1971).

IEEE Trans. Commun. Technol. (2)

J. C. Stoffel, "A survey of electronic techniques for pictorial image reproduction," IEEE Trans. Commun. Technol. COM-29, 1898-1925 (1981).

P. W. Besslich, "Comments on electronic techniques for pictorial image reproduction," IEEE Trans. Commun. Technol. COM-31, 846-848 (1983).

IEEE Trans. Commun. Technol. (1)

B. Lippel, M. Kurland, "The effect of dither on luminance quantization of pictures," IEEE Trans. Commun. Technol. COM-19, 879-888 (1971).

IEEE Trans. Electron Devices (1)

S. Inoue, H. Kawai, S. Kanbe, T. Saeki, T. Shimoda, "High-resolution microencapsulated electrohoretic display (EPD) driven by poly-Si TFTs with four-level grayscale," IEEE Trans. Electron Devices 49, 1532-1539 (2002).

J. Display Technol. (1)

W. C. Kao, W. T. Chang, J. A. Ye, "Driving waveform design based on response latency analysis of electrophoretic displays," J. Display Technol. 8, 596-601 (2012).

J. Display Technol. (2)

J. SID (2)

M. T. Johnson, G. Zhou, R. Zehner, K. Amundson, A. Henzen, J. Kamer, "High-quality images on electrophoretic displays," J. SID 14, 175-180 (2006).

J. Heikenfeld, P. Drzaic, J. S. Yeo, T. Koch, "A critical review of the present and future prospects for electronic paper," J. SID 19, 129-156 (2011).

Nature (1)

Y. Chen, J. Au, P. Kazlas, A. Ritenour, H. Gates, M. McCreary, "Flexible active-matrix electronic ink display," Nature 423, 136 (2003).

Proc. IEEE (1)

K. J. Allen, "Reel to real: Prospects for flexible displays," Proc. IEEE 93, 1394-1399 (2005).

Other (6)

W. C. Kao, H. Y. Chen, Y. H. Liu, "Real-time engine for paintbrush function on electronic papers," Proc. IEEE Global Conf. Consumer Electron. (2012) pp. 691-692.

A. Henzen, N. Ailenei, "An electronic ink low latency drawing tablet," Proc. SID Dig. (2004) pp. 1070-1073.

G. Feng, J. Barrus, K. F. Gudan, S. Chemishkian, "Real-time pen tracking on electronic paper displays," Proc. SID Dig. (2008) pp. 689-692.

H. Kawai, M. Miyasaka, A. Miyazaki, T. Kodaira, S. Inoue, T. Shimoda, K. Amundson, R. J. Paolini Jr., M. McCreary, T. Shimoda, "A flexible 2-in. QVGA LTPS-TFT electrophoretic display," Proc. SID Dig. (2005) pp. 1638-1641.

K. Amundson, T. Sjodin, "Achieving graytone images in a microencapsulated electrophoretic display," Proc. SID Dig. (2006) pp. 1918-1921.

R. Zehner, K. Amundson, A. Knaian, B. Zion, M. Johnson, G. Zhou, "Drive waveforms for active matrix electrophoretic displays," Proc. SID Dig. (2003) pp. 842-845.

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