It is a vertical white bar that sweeps across the screen. If burn-in does occur, however unlikely (who leaves their HDTV with a static image or in exclusively in 4:3 with black side bars day in and out), what can you do to fix it?Īll the 2009 plasmas tested to date have a white wipe mode that can even out the wear and eliminate the “burn-in”. The worst case scenario we came up with is 100% viewing of 4:3 content with black side bars, or exclusive viewing of 2.35 aspect ratio movies (without using one of the zoom modes to eliminate the black bars) and leaving it on that way continuously for weeks. In other words, it is possible, but extremely unlikely to occur with normal use.
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However, we are equally confident, that by using the energy saving “Home” mode settings (set upon the initial activation of the plasma after unpacking) you would need to leave a static image on day in and day out for possibly weeks, to produce uneven wear.
TV CALIBRATION DISC BURN FULL
For example, if we were to put a full white 100 IRE square in the center of the screen, set the user mode to Vivid and max out the contrast (picture) control we are confident after a number of days running the set continuously that uneven phosphor wear would eventually occur. Is Plasma “Burn-in” Possible With Today’s Plasmas? In addition, most plasmas (and some LCDs sets) have a game mode that improves response time. In fact, their superior motion resolution makes them preferable to LCD for game play.
TV CALIBRATION DISC BURN TV
Today’s plasma panels are equally immune to “burn-in” from video games as they are to burn in from TV programs. Broadcasters and cable providers have also helped by changing their logos (known as “bugs”) usually located in the lower right hand screen corner, from opaque to translucent, which significantly cuts down on the brightness and color differences between the “bugs” and the content, thus minimizing the possibility that the “bug” will burn into the screen. This is particularly significant since floor models are traditionally set to “showroom” mode (usually listed in the user menu as Dynamic or Vivid) in order to produce maximum brightness.Ī number of advances by plasma panel makers, including how phosphors are driven, have significantly improved resistance to “burn-in”. We also checked out demo plasma HDTVs at retail stores and found no “”burn-in”” on any of the models tested. So much less wear that average panel life is now 100,000 hours (defined by the industry as being when the panel outputs half its original brightness).Īttempts by the HD Guru to create “”burn-in”” (uneven phosphor wear) on 20 model year plasma panels by freeze-framing an image for 10 hours and then switching to a white screen have been unsuccessful. By comparison, today’s panels use far less energy to produce far higher light levels and far less phosphor wear. When exposed to the UV light, the phosphors within the individual sub-pixels glow red, blue or green.Įarly plasma panels required high energy levels to drive the phosphors sufficiently hard to produce light, causing relatively fast phosphor wear. Plasma panels produce images via an electrical charge that causes gas within the panel to emit spurts of ultraviolet light (UV).
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“Burn-in”, a more serious problem, refers to a faint outline of a previously viewed image caused by uneven phosphor wear. IR is always temporary and causes no plasma panel damage. This example is extreme and one of the few ways a retained image can be seen most normal image content masks IR, which is caused by a residual charge within the pixels that normally dissipates within fewer than five minutes.īecause it is difficult if not impossible to see other than by using test signals wherein a continuous white screen follows deeply saturated stationary colors (though snow covered mountains can show it), most plasma owners have never seen IR and therefore they should not be concerned. Faint areas or color will appear superimposed on the white screen.
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Image retention (IR) refers to a faint ghost image of previously viewed content, easily induced, for example, by displaying a SMPTE color bar test pattern (photo below) for fifteen minutes or so and then switching to an all white screen (called a “full white” raster pattern). Though often used interchangeably, “burn in”and “image retention” are two different plasma panel phenomena. Given the amount of misinformation still spewed by uninformed salespeople, let’s take a fresh look at the issue. HD Guru continues to receive reader email asking whether modern plasma panels have “burn-in” problems.