Samsung SP-A800B(H6HA) Installation guide
SP-A800B(H6HA)
DLP Projector
Training Manual
Development Lab 7
Development Group 3
Video Display Development Team
Product Background
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CRT Projector
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LCD Projector
:
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DLP Projector
Lamp
Color Wheel
D D panel
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DLP (Digital Light Processing)
Digital image presentation technology developed by Texas
Instruments, USA
D D (Digital icromirror Device) panel
One micromirror represents one pixel.
icromirror size: 13.68 ( x 13.68 (
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Torsion
Hinge
Silicon
Backplane
Yoke
Landing Tip
irror:
13.68µm x 13.68µm
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)
)
***
***
A better image quality is
achieved due to the structural
differences of the pixels
DLP™ = narrow distance
between pixels, large effective
size of pixels
LCD = wide distance between
pixels, small effective size of
pixels
DLP™ = large ‘active’ area
LCD = smaller ‘active’ area
Better Image
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pSi LCD = Grainy, Pixellated
DLP™ = ‘Seamless’, Filmlike
DLP : A unit pixel has a size of 13.65 (. A
clean screen is presented and no vertical
lines are displayed.
LCD & PDP : Vertical lines are displayed
due to the structural characteristics of
pixels
Better Image Quality
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&
LCD: Elements = 1 Pixel
=
CRT, LCOS, psi LCD = 3
panels, or CRTs that will
misalign over time
Plasma: Elements = 1 Pixel
Plasma utilizes RGB
that will shift over
time, and due to heat
Single Panel, no
misalignment
DLP™: 1 Element = 1 Pixel
=
No Convergence
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7
DLP™ : High Contrast
LCD: Low Contrast
LCOS, pSi LCD
Comparatively low contrast ratio
Comparatively complex optical
structure
DLP™ : Implements a high contrast
ratio
Comparatively simple optical
structure
High Contrast
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DLP 1 Chip: Simple optical structure
Reflective structure
Enhanced optical efficiency
A low power usage lamp can be
used
Enhanced heat efficiency
LCD : Complex optical
structure
Pass-thru structure
Low optical efficiency
A high temperature is
generated due to heat
A high power usage lamp is
required
Greater Efficiency
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DLP
LCD
D D: The pixel response speed is fast (several us)
LCD: The pixel response speed is slow (several tens of ms)
Dragging occurs on a fast moving screen.
DLP™: Comparatively no dragging occurs.
LCD
DLP™
Response Time
µs ms
Fast Response
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:
Real Reds
Real Reds
Real Blues
Real Blues
Can present
Can present 35 trillion colors
35 trillion colors
True Colors
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