LCD

LCD

Resistive
1. Advantages
  1. Most Affordable
  2. Durable
  3. Works with Fingertip or Stylus
  4. Multi touch Input
    1. Stantum
    2. Touchco
2. Disadvantages
  1. Not as accurate
  2. More Complex
    1. due to Multi Touch
  3. No discretion btw Stylus & Hand
  4. More Pressure Needed
  5. Plastic Overlay
    1. Potential Damage to Cuts ,Sharp Tools
    2. Low Brightness Disply
Capacitive
1. Surface
  1. Limited Resolution
  2. Single Touch
  3. Direct Contact
2. Projected
  1. High Resolution
  2. Multi Touch
  3. Indirect Contact
LCD(Liquid Crystal Display)
1. Advantages
  1. Light
  2. Thin
  3. Low Power Consumption
2. Disadvantages
  1. Limited Display size by Manufact Complexities
  2. Expensive for Computer Display
3. Profile:Liquid Crystals
  1. Semi Solid Substances
    1. sensitve to
      1. Electricity
      2. Temperature
  2. Cannot Emit Light
4. Types
  1. Backlit
    1. Used for Computer Display
    2. Contains own fluorescent tube/LED/ELbehindtheLCD
  2. Reflective
    1. Used in Digital Watches
    2. Simpler & Cheap
    3. Reflection of Ext Light source
Grey Shading Dispaly
1. Methods
  1. Frame Rate Control
    1. By Turning Pixels On & Off
  2. Dithering
    1. Alternately drive some pixels Black & White
    2. Checker Board Type Pattern
Types
1. Passive Matrix
  1. Pros
    1. Very Simple Design & Cheap
    2. Reduce no of electrodes
  2. Cons
    1. Slow Response Time
    2. Poor Quality
      1. imprecise Volt.Control
2. Active Matrix
  1. Uses TFT
    Annotations:
    - Thin Flin Transistors
    1. Act like Switching Elements
    2. Transistors & Capacitors
  2. Pros
    1. Better Voltage Control
OLED(Organic)
1. SM-OLED
2. Polymer PLED
3. Display Types
  1. Passive Matrix
  2. Active Matrix(AMOLED)
  3. Transparent
  4. Top Emitting
  5. White
  6. Foldable
4. Parts/Structure
  1. Substrate
  2. Layers
    1. Organic
    2. Conducting
    3. Emissive
      1. R,G,B organic molecules
  3. Anode +
  4. Cathode -

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	Created by sweet.myat almost 11 years ago