Televisions

1
Televisions

• Old vs New
• Big vs Small
• Economical vs Expensive

What exactly does the future hold?
Source for pictures http//www.futureshop.ca
2
Brad Theriault

• Will be the introductory and closing speaker,
  introducing this mornings speakers as well as a
  brief description of the content they will be
  discussing.

3
Dave Young

• Discussing CRT and Projection television
  technologies.
• These technologies have formed the benchmark for
  televisions of all sizes and are affordable for
  customers in almost any economic situation.

4
Graeme Thompson

• Discussing LCD and Plasma Technologies.
• These are only now emerging as reasonable
  alternatives to older technologies and offer a
  quality product to a different type of customer
  than those previously mentioned.

5
Trent Raynard

• Will be discussing the pros and cons of each of
  the preceding technologies when set head to head
  with their main competition.
• Listen closely to Trents comparisons as they
  just may help you make your decision when
  purchasing your next television.

6
CRT Technology - History

• Early television
• Invention
• Capabilities
• Operation
• Scientific advancements
• Resolution Revolution

7
CRT - Technology

• CRT history
• Uses of CRTs
• CRT television systems
• Technological Constraints

8
Projection TV

• Types
• Aspects
• Size
• Functionability
• Quality

9
Projection Technology

• Rear (reflective) projection

10
Projection Technology

• Forward (transmissive) Projection

11
Liquid Crystal Display (LCD)A Brief History

• 1904 Liquid crystals first studied
• 1968 First monochrome display available on the
  market.
• 1980s Colour LCD
• More recently used in computer monitors and TVs

Roots Voltage
Nokia 6820
12
Liquid Crystal Display (LCD)Advantages

• Small size thin, usually under 10 cm
• Vibrant colours
• Sharp images
• Good brightness level
• Wide viewing angle
• Overall good image

Sony KLVS32A10 32 BRAVIA
13
Liquid Crystal Display (LCD)Disadvantages

• Ghosting leaving trails behind moving images
• Partial blacks dark scenes in a movie do not
  appear fully black

http//www.viewsonic.com/products/lcd101_faq.htm
14
Plasma DisplayA Brief History

• 1964 Invented in at the University of Illinois
• 1970s Monochrome plasma displays were popular
• 1997 First plasma TV sold by Pioneer

http//www.array-electronics.de/?doc2Fconsumer.p
hp
15
Plasma DisplayAdvantages

• Small size thin, usually under 10 cm
• Good colour accuracy
• Lifelike image
• Wide viewing angle
• Available in large sizes (up to 60)
• Overall good image quality

Samsung HP-R5052
16
Plasma DisplayDisadvantages

• Burn in
• This happens when an image is left stationary on
  the screen for a long time.
• Size restrictions
• Only available above 40

Pioneer 43" PureVisionTM Plasma Television
17
CRT vs. LCD

• Profile / Size
• Cost
• Lifespan
• 27 CRT 379.99
  27 LCD 999.99
• Source for Pictures http//www.futureshop.ca

18
Projection vs. Plasma

• Resolution
• Brightness
• Cost
• 42 Projection
  2,299.99 42 Plasma 3499.99

Source for Pictures http//www.futureshop.ca
19
LCD vs. Plasma

• Image Quality
• Lifespan
• Size
• Burn-in
• Price
• 
  40 LCD 3499.99 42 Plasma
  3499.99
• Source for Pictures http//www.futureshop.ca

20
Conclusion

• Despite arguments for plasma televisions, we
  believe the future of televisions lies in LCD
  technology
• Continuous advancements in quality and overall
  viewing experience
• Increasing Size availability
• Affordability of LCD televisions and monitors has
  been dramatically reduced over recent years