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Home » Resource Center » Glossary
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ScreenTek is proud to provide you this glossary of common terms in the laptop LCD screen industry, and in the laptop notebook industry. Feel free to become more familiar with the terms we use throughout our site. If you notice any glaring omissions, we'd be glad to hear about those. Drop us a line at sales@screentekinc.com.
Vertical back porch
The amount of time between the end of a vertical sync and the start of the next vertical active time.
(more Hardware terms)
Vertical front porch
The amount of time between the end of the vertical active time and the start of the vertical sync pulse.
(more Hardware terms)
Vertical sync
During the vertical blank time, the monitor receives the vertical sync pulse which is used for synchronizing the monitor to operate exactly synchronous to the PC graphics card. After receiving the vertical sync pulse, the monitor returns the beam to the upper left corner of the screen.
(more Hardware terms)
VGA
Refers to "video graphics array", a type of screen resolution. This resolution measures 640 x 480, creating a 1.33x aspect ratio (Standard). Related to the VGA connector used on many external displays of various resolutions.
(more Image terms)
Viewing angle
All of the angles in which a display may be viewed.
(more Hardware terms)
Voltage
Electric potential or potential difference expressed in volts.
(more Electronic terms)
Wattage
A measurement of power, typically electrical power, expressed in watts or kilowatts.
(more Electronic terms)
Wavelength
The distance between one peak of a wave and another, both in the same wave pattern.
(more Optics terms)
WSVGA
Refers to "wide super video graphics array," a type of screen resolution. This resolution measures 1024 x 600, creating a 1.71x aspect ratio (Wide).
(more Image terms)
WSXGA
Refers to "wide super extended graphics array," a type of screen resolution. This resolution measures 1280 x 854, creating a 1.50x aspect ratio (Wide).
(more Image terms)
WSXGA+
Refers to "wide super extended graphics array, plus," a type of screen resolution. This resolution measures 1680 x 1050, creating a 1.60x aspect ratio (Wide).
(more Image terms)
WUXGA
Refers to "wide ultra extended graphics array," a type of screen resolution. This resolution measures 1920 x 1200, creating a 1.60x apect ratio (Wide).
(more Image terms)
WXGA
Refers to "wide extended graphics array," a type of screen resolution. This resolution can measure 1152 x 768 (1.50x aspect ratio, Wide), 1280 x 768 (1.66x aspect ratio, Wide), 1280 x 800 (1.60x aspect ratio, Wide), or 1366 x 768 (1.78x aspect ratio, Wide).
(more Image terms)
WXGA+
Refers to "wide extended graphics array, plus," a type of screen resolution. This resolution measures 1440 x 900, creating a 1.60x aspect ratio (Wide).
(more Image terms)
XGA
Refers to "extended graphics array," a type of screen resolution. This resolution measures 1024 x 768, creating a 1.33x aspect ratio (Standard).
(more Image terms)
Glossary index
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Extended hours!
ScreenTek is now open Sunday nights, and is open until midnight, Monday - Thursday.
 Watch our new notebook LCD replacement instructions video in high quality!
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Telephone:
(US & territories, Canada):
 1 (800) 834-4172 
You may use these local numbers to reach us in the U.S.:
(Australia):
 +61 (0) 2 8003-5237
(International):
Code + (713) 839-9640
Email:
sales@screentekinc.com
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"I have to tell you ... when I ran over my laptop in my Jeep Cherokee a few weeks ago, I thought it was a goner! Thanks for keeping me updated during ordering."
- Phil S.
"Thanks Chris. The installation was a breeze. My daughter is back in business with the laptop."
- George G.
"Bryant - You're the man! You had our order here promptly - even with [Hurricane] Rita on your doorstep!"
- Tom
"When my lap top screen first broke, I was pretty upset. At that point, I was left with two options; buy a new laptop at a cost close to plus set up time or send my laptop into HP, pay close to and wait 4-6 weeks. Thanks to ScreenTek I was able to save close to dollars have the screen sent to me in two days and with help from a local repairman be back to work. Great Job!"
- Chris R.
"The screen for my laptop is perfect. I installed it the other day without a hitch and my computer is as good as new."
- Elizabeth R, from Switzerland
"When I called Dell to find out where the display [I ordered from them] is just before I called you folks, they told me it had never been ordered ... You can just imagine my pleasure in calling ScreenTek late in the afternoon to order the LCD display, and having it show up the next day!"
- Jeff H.
"I'm very happy with your service. Everything went smoothly, order, payment, delivery, installation (thanks to instructions at your web site)."
- Damir I, from Croatia
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