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Display Devices

Display Devices. Group 3 Topic 2 IM2044 Usability engineering . 0422902 Hasuk Kerai 0409543 Ismael Ali. Types Of Display Devices. CRT (cathode ray tube) LCD (liquid Crystal display) Projector (light & LCD) Plasma (Gas Technology). Future Devices. Digital Paper

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Display Devices

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  1. Display Devices Group 3 Topic 2 IM2044 Usability engineering 0422902 Hasuk Kerai 0409543 Ismael Ali

  2. Types Of Display Devices • CRT (cathode ray tube) • LCD (liquid Crystal display) • Projector (light & LCD) • Plasma (Gas Technology)

  3. Future Devices Digital Paper Technology which is still in its primary stages and is rapidly developing. • thin flexible sheets • updated electronically • but retain display • small spheres turned • or channels with coloured liquidand contrasting spheres appearance cross section

  4. Where they are used Large Displays for : • Schools • Organisations • Lecture and presentation halls • Advertising Screens • Home Small displays for every day devices • Touch screens • pocket devices when using a display devices for advertisements the location is always a crucial factor in the meaning of information or interaction solely depending largely on the location.

  5. Health Issues Two main issues: • Eye Strain • The most common symptoms of CVS include: eyestrain or eye fatigue, dry eyes, burning eyes, light sensitivity, blurred vision, headaches and pain in the shoulders, neck or back. • Radiation • Computer monitors generally emit an extremely low frequency field, called ELF (Electro Magnetic Frequency), this may lead to cancer.

  6. Health Precautions • Do not sit too close to the screen. • Do not use very small fonts. • Take frequent breaks from the screen. • Do not allow excess light on the screen and work in well-lit surroundings. • Take extra care if pregnant, also posture position, ergonomics, stressful environments.

  7. The End Thank You for your time

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