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

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Presentation on theme: "Display Devices Group 3 Topic 2 IM2044 Usability engineering 0422902 Hasuk Kerai 0409543 Ismael Ali."— Presentation transcript:

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 liquid and 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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