Kortek corporation
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of
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PDP R&D Center
Color reproducibility (Refer to color gamut) :
The expression of realizable colors limited by color information distinction or fluorescent substance chromaticity.
Color temperature, correlated (symbol CCT) :
Seemingly temperature expressed with absolute temperature of black body radiation with the closest
Chromaticity. This can be expressed as CCT, in the form of C.S. McCamy.
CCT=437N3+5517, n=(x-0.3320)/(0.1858-y) and x,y=color coordinates of CIE 1931.
Columm electrode :
Vertically successive electrodes. It generally refers to data electrodes. When panel is installed along the
photogragh, this can be arranged along the hotizontal direction.
Concurrent driving method :
Driving method to disperse address pulse and scan pulse at equal distance.
Concurrent driving method :
Driving method to disperse address pulse and scan pulse at equal distance.
Concurrent driving method :
Driving method to disperse address pulse and scan pulse at equal distance.
Contrast ratio Columm electrode :
Ratio of white luminance to black luminance of image. This measurement has many parameters, so measurers are
required to explain the consideration for measurement to make understood the meaning of the measurement. The
parameters of contrast ratio area as follows.
■ CA
–
ratio of center luminance in all white screen to center luminance of all black screen on the condition of
light being spreading around.
■ CG
–
ratio of white luminance to black luminance in successive arrangement of white and black lines at equal
distance.
■ CL
–
ratio of white luminance to black luminance in white line against black screen of black line against white
screen.
■ CR
–
the ratio of white luminance to black luminance.
■ Cm
–
Michel son contrast or contrast modulation :
Here, Lw is the luminance of the color white while Lb is the luminance of the color black.
■ CT
–
Threshold contrast ratio : the minimum contrast ratio that is permissive, in general.
Chip on board (COB) :
PCB with IC on substrate.
Dark defect :
Defects in the brighter image realization than normal one.
Data electrode :
Electrodes allowed for controlling electric discharge by changing the cell
’
s state to switch on from off (and vise
versa) in AC plasma panel.
Data electrode driver :
Driving circuit to be attached to dada electrode.
Data erase pulse :
Wave form for data electrode that switches from off to on.
Data erase pulse :
Wave form for data electrode that switches from on to off.
DC PDP :
Display panel whose plasma discharge is driven by direct current.