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Current Developments in Display Technologies
Gary MandleSr. Product ManagerSony Electronics Inc.
How
Imp
orta
nt
are
Flat P
anel
TV
s?
From Veritas et Visus LCD TV Matters Vol. 1 Issue 3
Distrib
utio
n o
f Tech
nolo
gie
s
• Market Estimate• 28M units
– LCD• 25M units
– PDP• 3.4M units
– FPJ-RPJ• 350K units
• Market Size• Est $24B
• R&D Budget• Est $1.5B
Projected ’09 Sales of each Technology
Who’s D
oin
g
what?
• LCD Technology– Akita Research Institute of Advanced Technology– Andong National University– AOU– Beijing BOE Optoelectronics Technology Co.– Chi Mei optoelectronics corp– Chonbuk National University– DIC Corp– Electronics & Telecommunications Research Institute– Fujitsu micro elceltronics inc– Hanyang University– Innolux Display Corp– Kent State University/Samsung– Kyung Hee University– Max Planck-institut fÜr Informatik– Merck Advanced Technologies– Military University of Technology– Nanjing University– Nanotechnology Research Institute– National Cheng Kung University– National Taiwan University– NHK Science & Technology Research labs– Panasonic– Planar– Pusan National University– Qualcomm– Raman Research Institute– Samsung Electro-Mechanics Co– Sharp Corp– SKC Haas– Sony Corp– Tokyo University of Science– Toshiba Corp– Tsinghua University– University of Central Florida– University of Illinois– University of Texas in Austin– Yeungnam University– Zeon Corp
• OLED Technology– 3M Display & Graphics Business laboratory– Applied Nanotech– Canon– Eastman Kodak– Kyushu University– Industrial Technology Research Institute– LG Display R&D Center– National Dong Hwa University– National Taiwan University– National Taipei University of Technology– Pioneer– RiTDisplay– Saarland University– Sogo Pharmaceutical– Sony corp– Samsung SDI/NEC– SFC– TDK– University of California– University of Central Florida– Univision– US Army Research labs
• PDP Technology– Advanced PDP Development Center Corp– Hiroshima University– Hitachi– LG Display– North Carolina State University– Panasonic– Pioneer– Samsung
• FED technology– Delhi University– Field Emission Technologies– Haldia university– Samsung SDI/NEC– Solid State physics– Toshiba/Canon (SED)– TECO Nanotech
Investm
ent
• Primary Investment Motivation– Energy Efficiency & E Waste
• California Disposal Tax• Texas PC Recycling Law
– Increase in Costs
• Reach, WEEE & RoHS Intuitives– European Union Restriction of Hazardous Materials
• EU Ban of Incandescent Lamps• DCiE Metric
– New Limits to Power Consumption
• New UL “Green” Validation Certifications
Sub
strate
Size
• Substrate Size– Gen 5 (2004)
• Six 27 Inch Panels• 1100mm x 1300mm• (3.6ft x 4.2ft)
– Gen 6 (2005)• Eight 32 Inch Panels• 1500mm x 1800mm• (4.9ft x 5.9ft)
– Gen 7 (2006)• Twelve 32 Inch Panels• 1870mm x 2200mm• (6.1ft x 7.2ft)
• Substrate Size– Gen 8 (2007)
• Eight 46 inch panels• Six 52 inch panels• 2160mm x 2400mm• (7ft x 7.8ft)
– Gen 11(maybe 2010)• Eighteen 40 inch panels• Fifteen 46 inch panels• eight 62 inch panels• six 72 inch panels• 2880mm x 3130mm• (9.4ft x 10.2ft)
Sub
strate
Size
Sharp’s Gen 8 plant 60,000 u/mth output
Samsung Gen 7 plantS LCD Gen 8 plant75,000 u/mth output
PanasonicP4 plant 960K u/mthP5 plant 1.96M u/mthP5 = 37 football fields
Pro
ble
ms W
ith
Ind
ium
• Shortage of Indium– Required for LCD, PDP & almost every other
display technology– sourced from Russia and Canada– Part of the indium tin oxide layers (ITO)– primary conductor used on glass substrates
because of “wetting” properties
Pro
ble
ms W
ith
Ind
ium
• carbon Nano Tube– Possible replacement for ITO– Uses “Tunnel Effect”– grown instead of sputtered– adheres to glass
LCD
• Improvements in viewing angle– Multiple Domains & Subpixels– Samsung
8 Domain PVA
LCD
• Shaped Electrodes– Higher Transmittance– Dong-A University
• Shared data paths– Lower Cost
• 5 Color Filters– Wider gamut– Sharp
• New LC materials– Faster Switching– Merck
• Flexible Substrates– Military Applications– Arizona State University
Shaped Electrodes in IPS5 Color
Flexible Substrates
Smaller LC Cell
New Materials
Backlig
hts
• CCFL– New BEF Filters
• Lower Power Consumption• 3M (Vikuiti Brand)• Fusion Optics (PF series)
– New Filter Films• Improved viewing angles• SKC Haas Display Films
3M BEF EfficiencySKC Haas Viewing Angle Tests
3M T-BEF 90/24
Backlig
hts
• LED– White OLED
• Better Uniformity• National Taiwan University
– local dimming• Better Blacks• Saarland University
Local Dimming
White OLED
PD
P
Fits nine 50 inchin the same area4096 x 2160
PD
P• MgO Films
– Higher secondary electron emission
• lowers discharge voltage– higher resistance to ion
sputtering• longer panel life
– high exoelectron emission• provides priming particals
• Crystal Emissive Layer– Increase of phosphor
emissions
Cel Adhesion
PD
P• Increase of Dielectric
constant of barrier ribs– Lower power loss
• Low T℮ and spatially Distributed Drive– Higher
ionization/excitation rates
• High X℮ Content Drive– Increased UV efficiencies
FED
• Field Emission Technologies– Most active in FED– Spin off from Sony– Using Nano SPINDT
cathode design– Also partnering with
Astro Design & Ikegami
FED
• FED Structure
FED
• Developing very high frame rate display– 240 Hz+
• Current max resolution– 19 inch 1280 x 720– 26 inch 1920 x 1080– 8 bit drives
• Talking with Pioneer on manufacturing plant purchase
OLE
DLG OLED
Optimus OLED Keyboard
Sony PLED
Kodak OLEDSony XEL-1 OLED TV
Samsung 31 inch OLED
Universal Display PLED
NWZ X1000
OLE
D• Light from radiative
recombination of electrons and holes– Action from an atom in
an excited state undergoes a transition to ground
– releases a photon
• Primary parts are– hole donor– electron donor– emissive layer
OLE
D
LCD and OLED Top EmissionOLED Bottom Emission
OLE
D• Advantages of organic semiconductors
– molecules are held together by weak van der waals forces
– carrier mobilities are low• typically less than 1cm2/v-s
– high fluorescence efficiencies– epitaxy is not required– properties can be tailored with Types of
Materials– *can be fabricated on large substrates
OLE
D• Injection
– Single Carrier– Dual Carrier
OLE
D• Carrier Mobilities
OLE
D
White OLED for Lighting
How
They
Com
pare
Oth
er S
tuff
• E Paper• GLV• laser Illumination
Thanks to
• Dr. Franky So– Florida State University
• Mark Fihn– Veritas et Visus
• Jim Noecker– Panasonic
• Shohei Hasegawa– Field Emission Technologies
• And Walt Ordway– For noting the “M”