A SEMINAR PRESENTATION

ON

TELESCOPIC PIXEL DISPLAY

Presented by :

Sachin Malik

Contents

• Introduction

• History of Display technology

• LCD

• Operation Principle

• Fabrication

• Advantages and Disadvantages

• Conclusion

Introduction

• New technology among LCD & DMD

• Based on optical telescope

• Telescopic indicates that each pixel acts as a

miniature telescope

• Pixel = Picture + Element

History of Display Technologies

• Cathode Ray Tube – 1st display technology

• First commercial color CRT- 1954

• Vacuum tube containing electron gun

Liquid Crystal Display

• Liquid crystal display

• Good quality , price & power efficiency

• Transmit only 5-10% of the backlight radiation

Operation Principle

• Pixel => OFF => Mirrors are parallel

• Pixel => ON => Primary Mirror is deformed

Fabrication

• Each pixel is produced in two half

• Secondary mirror – Lithographically patterned

array of Al on glass

• Primary mirror -

Advantages

• Increases battery time

• Low cost

• Relative ease of fabrication

• High transmission efficiency

• Pixel response time is high

Disadvantages

• Only disadvantage is low contrast ratio

Conclusion

• Backlight transmission 36% & can reach upto56% with design improvements

• Have potential to be faster than LCD’s

• More scalable than plasma

• Cheaper and energy efficient than both

Thank You