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Transflective Liquid Crystal Display半透性雙層扭曲向列(TN)液晶體顯示器

总结: Display is a large yet still rapidly expanding market, especially for flat-panel display which is tremendously important and will soon become a dominating segment of the display industry. However, current liquid crystal display types: transmissive LCD and reflective LCD are having serious problems with the light source and power consumption.

A novel technique based on transflective LCDs has been developed to overcome such problems, allowing good legibility under any ambient light environment. Utilizing two liquid crystal layers in this device and the accurate angle of twist of the liquid crytal molecules, excellent images with a large viewing angle can be produced. With the use of this invention, the colour dispersion of the LCD display unit is minimized and thus high contrast of either black and white or coloured display images can be acquired.

This invention can display sharp images even in the dark, therefore it overcomes the problem of bright backlight device requirement occurring in transmissive LCD. It also solves the shortcoming of reflective LCD which displays poorly during night or under weak ambient lighting.

技术优势: 1. Lower power consumption
2. Longer LCD lifetime
3. No ambient light required
4. Higher resolution and contrast
5. Larger viewing angle

技术应用: - Outdoor LCD display units
- Mobile navigator/ video systems
- Notebook computer

附加资料: Patent Number: US7705939B2
Application Number: US2007755355A
Inventor: Mak, Hin Yu | Chigrinov, Vladimir Grigorievich
Priority Date: 31 May 2006
Priority Number: US7705939B2
Application Date: 30 May 2007
Publication Date: 27 Apr 2010
IPC Current: G02F00011335
US Class: 349114
Assignee Applicant: The Hong Kong University of Science & Technology
Title: Transflective liquid crystal display
Usefulness: Transflective liquid crystal display
Summary: For mobile telephone, personal digital assistant (PDA), e-book, mobile navigator/video system, personal organizer, tablet personal computer (PC), notebook computer, kiosk display, etc.
Novelty: Transflective LCD for mobile telephone, has reflector that reflects light passing through reflective region of display, while active and passive layers of crystal layer are oriented along opposite twist directions to each other

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