LCD Backlights - download pdf or read online

By Shunsuke Kobayashi, Shigeo Mikoshiba, Sungkyoo Lim

ISBN-10: 0470699671

ISBN-13: 9780470699676

Learn and improvement on lcd (LCD) backlight applied sciences have gotten more and more vital as a result speedy development of the liquid crystal display company. Backlight applied sciences give a contribution to sensible advancements of LCDs by way of vast color replica, uniformity advancements of luminance and color temperature, excessive luminance, lengthy existence, much less strength intake, thinner backlight unit, in addition to price. As liquid crystal display panel expertise progresses, the lighting fixtures expertise that offers the illumination for the panel needs to equally evolve.

LCD Backlights is written by means of a world panel of major researchers and practitioners during this box from either academia and undefined. the 1st a part of liquid crystal display Backlights information the diversity of purposes of backlights together with these in LCD-TV, laptop screens and cellular units. the second one half is an entire exam of different mild assets which are used together with the newest technological tendencies in among others, chilly cathode fluorescent lamps (CCFLs), mercury-free fluorescent lamps and lightweight emitting diodes (LEDs). the ultimate a part of the booklet analyses the optical element of backlights similar to diffusers and brightness enhancement films.

Key features:

• presents a finished research of the most recent prestige of liquid crystal display backlight study and development.

• Discusses the layout issues and technical standards for the a number of functions of liquid crystal display backlights.

• Considers strategies used for strength saving and imagine caliber improvement.

• Examines the necessities for backlight devices used for TVs, laptop screens and cellular phones.

LCD Backlights is of vital curiosity to training electronics and reveal engineers in addition to scientists engaged on the improvement of liquid crystal monitors. This publication is usually of worth to graduate scholars and researchers concerned about show applied sciences

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Additional resources for LCD Backlights

Example text

So far the CCFL has dominated the backlight market, while today’s LCD backlight market shows transition to the next generation with advanced light source technologies including EEFL, FFL and LED. This is the result from the LCD industry’s continuous development efforts to gain an advantage over competing technologies such as PDPs. The CCFL is expected to keep its position for some time. EEFLs and FFLs are claiming their own advantages and will maintain their position with a certain portion of the market.

21: DCF optional color space[4] IEC 61966-2-4: xvYCC[5] IEC 61966-2-5: opRGB[6] Published in January 2003 Published in January 2003 Published in September 2003 Published in January 2006 New Work Item Proposal approved in January 2005 but to the color management of sRGB. Namely, an ink jet printer can reproduce colors which are outside of the sRGB color space. In order to fully utilize the colors that ink jet printers can reproduce, various color spaces which are wider than the sRGB have been proposed,[2–6] and some of them have been published as international standards.

9 Blur with uniform blinking of BL. 10 Blur with scrolling BL. Reduction of blur appearing on motional images of LCDs Reduction of hold-type artifacts Improvement of LC response Fractional reduction of blur if the response is less than 10 ms. Not effective if the response is less than 5 ms. 11 Methods of reducing blur. tion, which requires a substantial amount of signal processing. The 1/n duty drive can be realized by blinking the backlight, by black insertion, or by adopting both of these. There are two types of the blinking backlight: uniform blinking and scrolling.

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LCD Backlights by Shunsuke Kobayashi, Shigeo Mikoshiba, Sungkyoo Lim


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