A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD

Kuan Yu Chu; Yu Huei Lee; Ming Yan Fan; Ke-Horng Chen; Sheng Fa Liu; Pao Hsien Chiu; Sandy Chen; Chun Yu Shen; Ming Ta Hsieh; Huai An Li

A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD

Kuan Yu Chu^*, Yu Huei Lee, Ming Yan Fan, Ke-Horng Chen, Sheng Fa Liu, Pao Hsien Chiu, Sandy Chen, Chun Yu Shen, Ming Ta Hsieh, Huai An Li

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

Cholesteric liquid-crystal display (Ch-LCD) has the bi-stable characteristic to achieve the energy-saving for the green technology. Backlight is even unnecessary in the Ch-LCD system. The single-inductor bipolar-output (SIBO) converter is one of best candidate to supply the power management function for the Ch-LCD with dual positive and negative output voltages by using a single inductor for a compact solution. The energy control methodology with the current-mode control and the power conservation mechanism (PCM) can strengthen the voltage quality to get high display quality. The test chip fabricated by 0.25 μm CMOS technology demonstrates the non-noticeable cross-regulation at dual outputs with 90% peak power conversion efficiency.

Original language	English
Title of host publication	49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
Pages	1300-1303
Number of pages	4
State	Published - 1 Dec 2011
Event	49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011 - Los Angeles, CA, United States Duration: 15 May 2011 → 20 May 2011

Publication series

Name	49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
Volume	3

Conference

Conference	49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011
Country	United States
City	Los Angeles, CA
Period	15/05/11 → 20/05/11

Keywords

Cholesteric liquid-crystal display (Ch-LCD)
Cross-regulation
Power conservation mechanism (PCM)
Single-inductor bipolar-output (SIBO) converter

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Chu, K. Y., Lee, Y. H., Fan, M. Y., Chen, K-H., Liu, S. F., Chiu, P. H., Chen, S., Shen, C. Y., Hsieh, M. T., & Li, H. A. (2011). A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD. In 49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011 (pp. 1300-1303). (49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011; Vol. 3).

Chu, Kuan Yu ; Lee, Yu Huei ; Fan, Ming Yan ; Chen, Ke-Horng ; Liu, Sheng Fa ; Chiu, Pao Hsien ; Chen, Sandy ; Shen, Chun Yu ; Hsieh, Ming Ta ; Li, Huai An. / A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD. 49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011. 2011. pp. 1300-1303 (49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011).

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title = "A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD",

abstract = "Cholesteric liquid-crystal display (Ch-LCD) has the bi-stable characteristic to achieve the energy-saving for the green technology. Backlight is even unnecessary in the Ch-LCD system. The single-inductor bipolar-output (SIBO) converter is one of best candidate to supply the power management function for the Ch-LCD with dual positive and negative output voltages by using a single inductor for a compact solution. The energy control methodology with the current-mode control and the power conservation mechanism (PCM) can strengthen the voltage quality to get high display quality. The test chip fabricated by 0.25 μm CMOS technology demonstrates the non-noticeable cross-regulation at dual outputs with 90% peak power conversion efficiency.",

keywords = "Cholesteric liquid-crystal display (Ch-LCD), Cross-regulation, Power conservation mechanism (PCM), Single-inductor bipolar-output (SIBO) converter",

author = "Chu, {Kuan Yu} and Lee, {Yu Huei} and Fan, {Ming Yan} and Ke-Horng Chen and Liu, {Sheng Fa} and Chiu, {Pao Hsien} and Sandy Chen and Shen, {Chun Yu} and Hsieh, {Ming Ta} and Li, {Huai An}",

year = "2011",

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day = "1",

language = "English",

isbn = "9781618390967",

series = "49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011",

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booktitle = "49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011",

note = "null ; Conference date: 15-05-2011 Through 20-05-2011",

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Chu, KY, Lee, YH, Fan, MY, Chen, K-H, Liu, SF, Chiu, PH, Chen, S, Shen, CY, Hsieh, MT & Li, HA 2011, A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD. in 49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011. 49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011, vol. 3, pp. 1300-1303, 49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011, Los Angeles, CA, United States, 15/05/11.

A single-inductor bipolar-output converter with power conservation mechanism (PCM) for driving cholesteric LCD. / Chu, Kuan Yu; Lee, Yu Huei; Fan, Ming Yan; Chen, Ke-Horng; Liu, Sheng Fa; Chiu, Pao Hsien; Chen, Sandy; Shen, Chun Yu; Hsieh, Ming Ta; Li, Huai An.

49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011. 2011. p. 1300-1303 (49th Annual SID Symposium, Seminar, and Exhibition 2011, Display Week 2011; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Chu, Kuan Yu

AU - Lee, Yu Huei

AU - Fan, Ming Yan

AU - Chen, Ke-Horng

AU - Liu, Sheng Fa

AU - Chiu, Pao Hsien

AU - Chen, Sandy

AU - Shen, Chun Yu

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AU - Li, Huai An

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N2 - Cholesteric liquid-crystal display (Ch-LCD) has the bi-stable characteristic to achieve the energy-saving for the green technology. Backlight is even unnecessary in the Ch-LCD system. The single-inductor bipolar-output (SIBO) converter is one of best candidate to supply the power management function for the Ch-LCD with dual positive and negative output voltages by using a single inductor for a compact solution. The energy control methodology with the current-mode control and the power conservation mechanism (PCM) can strengthen the voltage quality to get high display quality. The test chip fabricated by 0.25 μm CMOS technology demonstrates the non-noticeable cross-regulation at dual outputs with 90% peak power conversion efficiency.

AB - Cholesteric liquid-crystal display (Ch-LCD) has the bi-stable characteristic to achieve the energy-saving for the green technology. Backlight is even unnecessary in the Ch-LCD system. The single-inductor bipolar-output (SIBO) converter is one of best candidate to supply the power management function for the Ch-LCD with dual positive and negative output voltages by using a single inductor for a compact solution. The energy control methodology with the current-mode control and the power conservation mechanism (PCM) can strengthen the voltage quality to get high display quality. The test chip fabricated by 0.25 μm CMOS technology demonstrates the non-noticeable cross-regulation at dual outputs with 90% peak power conversion efficiency.

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