1.2 LAPTOP DISPLAYS Flashcards
what are all Types of Laptop Displays
LCD( Liquid Crystal Display) && LED(Light Emitting Diode)
&&
OLED (Organic Light Emitting Diode)
What does LCD/LED Stand For and Its Uses
LED stands for Light Emitting Diode
LCD Stands For Liquid Crystals Display
Advantage
- Light Weight
- Low Power
- Relatively Inexpensive
Disadvantage
- Black Levels are a challenge
- Requires Separate backlight
- *does not create its own lighting like(OLED)
- *Makes that Expensive/Difficult to replace
What is OLED and its capabilities.
OLEd stands for Organic Light Emitting Diode
advantage
- Organic compound emits light when receiving Electric current
- No Backlight needed(unlike LCD)
*Organic Compound Provides the light - Not quite ready for laptops
*Organic Material Degrades over time
* Decayed images can remain on the screen
* More Costly and power hungry then LCD
List WI-Fi Antennas
some examples of WIFI Antennas are
- WIFI Main
- Auxilliary COnnection
- BlueTooth
The Antennas Wraps that are not visibly seen are connected to the around the highest point which is the behid the Laptop Screen
Laptop Webcam and its capabilities
Uusually build into the Modern day Laptop
-It incudles both audio && Video
There are also external webcams to via USB
Laptop Microphone
usually build into the Laptop with the camera aswell it will not be as high tech as an external microphone
*it is not good for non-Casual Use
* analog or USB external microphpones are better for cadual use
BackLight and Inverter
LCD Displays Will always need Backlight
- Florescent lamp/LED/LDC displays to your Eyes
Some laptop comes with inveters that automatically converrt DC to AC
If your LCD/LED backlight stop work it will be very dark and wil need to look very carful to see if display is still on but not light
what is a Digitzer/Touchscreen
It is an input device on the screen that allows you to physically touch the computer rather then a touch pad or a mouse.
