Menu
17
Test Results: 4K 120 Hz Display with bonus 1080p 240 Hz & 540p 480 Hz Modes
Now available for preorder, a 4K 120Hz display with bonus 240 Hz and 480 Hz...
Read more
Homebrew
Home brew design of strobe backlights and scanning backlights.
Successful 60Hz -> 180Hz overclock of stock laptop LCD
In the Display Overclocking subforum of Blur Busters Forums, a reader successfully overclocked a laptop LCD to 180Hz refresh rate with no frame skipping. This is a stock HP Pavillion laptop model, using its internal LCD, with no hardware...
Read more
Electronics Hacking: Creating a Strobe Backlight
Originally Written in 2013 – This Used To Be www.scanningbacklight.com Advanced article written by Blur Busters Founder Mark D. Rejhon for electronics engineer and display engineer geeks: Those who know soldering irons and oscilloscopes. It may also help display manufacturers that have never...
Read more
Teardown: LightBoost Reverse Engineering for Scientific Use
Marc Repnow (StrobeMaster), a researcher who maintains http://display-corner.epfl.ch, did a BENQ XL2411T tear-down and a BENQ XL2420T tear-down. He discovered how to modify LightBoost electronics, for use for scientific tachistoscopic applications.  Apparently, XL2411T’s can be used as an inexpensive scientific tachistoscope, thanks to LightBoost!...
Read more
The Amazing Surround CRT-Equivalent Setup
Vega of HardForum set up an amazing surround CRT-quality setup with three ASUS VG248QE and GeForce Titans’s (plus the LightBoost tweak to eliminate motion blur). This was made possible via a new method of enabling LightBoost (See comments!).  Although TN panels...
Read more
Specialized LED drivers, useful for strobed backlights
While waiting for a BENQ XL2411T monitor to arrive for testing, peckB from esreality forums, sent me this gem of a URL: Semtech.com – Specialized backlight LED drivers This could present some interesting electronics to experiment with for strobed backlights,...
Read more
Inexpensive motion-blur tracking camera being obtained
The BlurBusters Lab is expanding! Â Two new developments: (1) A Casio Exilim EX-FC200 has been obtained, for high speed (480fps, 1000fps) capture of scanning/impulse/flashing backlight patterns of existing and future LCD displays. (2) An open-source motion-blur tracking camera dolly is...
Read more
One shipment of ultra bright LED ribbons has arrived!
One set of LED ribbons have now arrived. They are BRIGHT! Color purity is good; they are definitely backlight-quality and extremely unfiorm. IÂ will be using 900 LED’s (22 lumens each) as a backlight in a single 24″ computer monitor —...
Read more
Over 1000 watts of LED ribbons ordered!
Three different brands of LED ribbons have now been ordered from several suppliers.  The current working goal is to create a backlight that is 150 watts per square foot, with 10,000 lumens per square foot.  The brightest ribbon I’ve ordered is...
Read more
How to disassemble an LCD
Designing a scientifically proper scanning backlight from scratch, for an existing LCD computer monitor, requires disassembling LCD’s. There is an LCD parts store page that has info useful during my research, including a YouTube video on how to disassemble LCD panels...
Read more
240 watts of LED backlight for a 23″ computer monitor!
[This is a very old article from scanning backlight experiments in 2012] A 23″ LCD computer monitor is 286mm high x 508mm wide. From math calculations on LED ribbons (120 LED per meter, 6mm wide, 6500K, ~10watt/meter, 80+CRI available), one can put...
Read more
Prebuilt high-power switch for Arduino
Found a pre-made Arduino-compatible MOSFET switch for $18 each. Four of these 4-channel switches will be suitable for a 16-segment Arduino scanning backlight. These can switch well over 100 watts per segment, and at frequencies up to 200,000Hz; fast and...
Read more
