THE Evolution of Television Long Shizhu...OLED TV and QLED TV Technoloogy quick summary: •OLED...
Transcript of THE Evolution of Television Long Shizhu...OLED TV and QLED TV Technoloogy quick summary: •OLED...
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FROM CRT to OLED
THE Evolution of TelevisionLong Shizhu
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B&W
RPTV
PDP
LCDCCFL Backlit
LEDLED backlit
LCD TV
OLED
CRT
Resolution
Low
The Evolution of TelevisionTh
ick
Thin
De
sign
High
Color
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The First TV set in the world
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The world first colorTV set
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CRT displays went from B&W to color,
from spherical to cylindrical to flat right
angles, until pure flat
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Cathode Ray Tube (CRT)
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Low production costs and low prices.A d v a n t a g e
W e a k n e s s
CR
T TV SU
MM
AR
Y
Limited by the picture tube, can't make more than 34 inches Big screen TV.
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The shortcomings of rear-projection TV are also obvious. It is large and cumbersome. After a brief glory, it was abandoned
.A d v a n t a g e
The TV is large in size and has a wide view. The imaging has a long service life and high brightness
The body is heavy, and the brightness of the bulb is
reduced after a long time of use.Need to replace the
bulb.
RP
TV Su
mm
ary
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Panasonic TH-P60S60C Plasma TV
Plasma TV uses Plasma Display Panel, which is a device that injects mixed gas between two ultra-thin glass plates and applies voltage to illuminate with phosphor.
Plasma
TV
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The picture clarity is high, there is no tailing situation, the price of the same size product is much lower than the LCD TV.
Screen Reflection, screen burn(burn-in)
Plasm
a TV Su
mm
ary
A d v a n t a g e
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The development of LCD TVs has drawn a
perfect ending for CRT TVs.
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LED
TV
AN LED TV IS AN LCD TV
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LCD Backlit TV LED Backlit TV
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Compared with CRT TVs, power consumption is greatly reduced, saving energy.
LED C
rystal Lqu
idTV
Sum
mary
High-speed motion picture, with a slight tailing.
A d v a n t a g e
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Comparison of plasma and LCD TV
Plasma TV LED TV1. Good color reproduction and natural color 2. Large dynamic range of dark field and rich image hierarchy3. Low trailing time and high dynamic resolution;4. Large viewing Angle and good brightness uniformity;5, easy to achieve large screen.
1. Complete size and model2. Small size, relatively thin, low power consumption;3. The image has no interline and large area flashing;4, high brightness5, Not easy to cause ghost image and burn-in.
Ad
vantages
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Plasma TV LED TV
1. Few screen size, no small size model;2. Large volume, large weight and high power consumption;3, because of high temperature discharge, prone to burning screen 4. The brightness is low and the particle sense is obvious;5. The heat is large and the noise is obvious.
1. The viewing Angle is small;2. Motion image is prone to drag;3, LED high-energy blue light is too high, harmful to vision, easy to produce light leakage, the brightness uniformity is poor;4. Small dynamic range of dark field and poor contrast;5. Poor color reproduction and small color coverage.
Weakn
ess
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Why Plasma TV Retreat in Defeat
The champion of plasma Panasonic ceased plasma production in November 2013 , Stopped all plasma business in March 2014
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In January 2013, LG Electronics released the LG curved OLED TV for the first time at CES, indicating that the world has entered the era of large-size OLED.
The Beginning of the OLED Era
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OLED is the third generation display technology after CRT (first generation CRT TV), LCD, PDP (second generation LCD TV), which can be regarded as the latest display technology. The color layer of the OLED has self-illuminating properties, using a very thin organic coating and a glass substrate, and when the current passes, the organic material displays color and emits light. The emergence of OLED has completely changed the problem that LCD TVs need backlighting, and once again, the thickness of the display is greatly reduced.
OLED (Organic
Light-Emitting
Diode) TV
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Due to the self-illumination and the independent illumination of each pixel, the OLED makes the TV thinner and makes the response speed much faster than that of the LCD TV. Whether it is from black field brightness, wide viewing angle, full color gamut, low energy consumption, or its foldable and bendable characteristics, OLED has greatly expanded the imagination of TV physical form. Known in the industry as the most competitive fantasy display in the future.
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1. OLED has a solid structure and no liquid crystal molecules inside. It has certain anti-vibration2. OLED display can be self-luminous, so no backlight is needed.3. High contrast, wide viewing Angle, fast reaction speed and wide range of temperature4. The structure and process are simple, rich in color and high in resolution5. Ultra-thin panel and low power consumption.
OLED TV advantages:
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Weakness
Lifetime - While red and green OLED films have longer lifetimes (46,000 to 230,000 hours), blue organics currently have much shorter lifetimes (up to around 14,000 hours.
Manufacturing - Manufacturing processes are expensive right now.
Water - Water can easily damage OLEDs.
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OLED TV LCD TV
Brightness Loser Winner
Black level Winner Loser
Contrast ratio Winner Loser
Resolution TIE TIE
Refresh rate motion blur TIE TIE
OLED and LED TV Comparison
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OLED TV LCD TV
HDR TIE TIE
WCG TIE TIE
ViewingAngle Winner Loser
Power Loser Winner
Price Loser Winner
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QLED(Quantum dot technology ultra HD TV)
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OLED TV and QLED TV Technoloogy quick summary:
•OLED stands for "organic light emitting diode."
•QLED (according to Samsung) stands for
"quantum dot LED TV."
•OLED is a fundamentally different technology
from LCD, the major type of TV today.
•QLED is a variation of LED LCD, adding a
quantum dot film to the LCD "sandwich."
•OLED is "emissive," meaning the pixels emit their
own light.
•QLED, like LCD, is in its current form
"transmissive" and relies on an LED backlight.
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OLED and QLED TV Comparison
Pros:Lighter and thinner (2.57mm)Self-lighting pixelsMore convincing blacksFaster refresh rate (0.001ms)Judder and blur-freeCons:Only found in three screen sizes: 55, 65 & 77-inchMuted brightness (1,000nits)Expensive
Pros:Brilliant whitesUltra-bright (1,500nits)Variety of screen sizes between 49-88-inchCons:Not as slim (25.4mm)Overly brightLess convincing blacksSlower refresh rate
OLED PROS AND CONS QLED PROS AND CONS
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Thank you