Chapter 1.2 Mobile Device Displays

CompTIA A+ Core 1 Chapter 1.2

LCD (Acronym)

Liquid Crystal Display

3 Most Common LCD Panels

ISP, TN, VA

2 Most Common LCD Backlighting Techniques

LED, CCFL

LED (Acronym)

Light Emitting Diode

CCFL (Acronym)

Cold Cathode Flouescent Lamps

Benefits to LED over CCFL

LED is more Energy Efficient and Thinner

The Two Types of Pixel Control on LCD Panels

Active Matrix and Passive Matrix

IPS (Acronym)

In-Plane Switching

TN (Acronym)

Twisted Nematic

VA (Acronym)

Vertical Alignment

ISP (Use Case)

Superior Color Performance of LCDs, Wide Viewing Angles

TN (Use Case)

Fast Response Time, Reduces motion blur for Gaming and Entertainment

VA (Use Case)

Better Contrast and Viewing Angles than TN, More Cost effective than IPS while rivaling Color Performance

OLED (Acronym)

Organic Light Emitting Diode

OLED (Use Case)

Reduces Power Consumption, Thin, with Superior Color Performance to LCD

Contrast Ratio

Difference Between Darkest Black and Brightest White - 1000:1

Mini-LED

Advanced LCD Backlighting Technology

Pixel Density

Number of Pixels in 1 Linear Inch - PPI

Refresh Rate

How Often a Display Updates every Second - Measured in Hz

Resolution

Length x Width of Display measured in Pixels

Color Gamut

Total Range of Colors a Display can Output

Digitizer

Hardware Component Separate from the Display that controls the Touch Input System