Transcript OLED Association Semi-Annual Board Meeting

Flexible Displays
Game Changer
or
Fools Errand?
July 17, 2015
Barry Young, Managing Director
OLED Association
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OLED Association Members
 Board
 Sustaining Members
 Corning
 eMagin
 IGNIS Innovation
 LG Display
 Novaled
 Samsung Display
 Universal Display
 David Fyfe (ex-officio)
 Applied Materials
 CDT
 EMD (Merck)
 Hodogaya
 Idemitsu Kosan
 Kateeva
 PPG
 Silicon Works
 Sunic System
 Trovoto Mfg.
 Others
 OLED Display. Net
 OLED Info.Com
 RiTdisplay
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Flexible Display Overview
 Innovative game changing product
 Thinner Lighter
 Robust Curved
 Moving target with many false starts
 Severe technology issues
Substrate – Plastic, Metal or Glass
Encapsulation – Thin Film, ALD, Glass
Backplane – LTPS, IGZO, Organic TFT
Transparent Conductor – Carbon Nanotubes, Conductive Polymers, Graphene,
Metal (Silver, Copper) Films
 Manufacturing – R-T-R, In Line, Batch
 Organic Deposition or Printing
 Touch – On Cell or In Cell
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 Lack of serious applications
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Flexible Display Characteristics
 Types

4” 480x272,
.5mm Thick
Characteristics
 Flexible Backplane
 Flexible Front Plane
 Curvature Ratio
 Curved
 Rolled
 Folded
 Flapping
 Rollable
4”, 1.7 mm
Thick
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8.5”x 11” (13.9”)
Flexible Display Development
No Commercial Products
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Low Cost Low Information Content
Source: FingerGear
Cost Sensitive Low Information Content
Source: Avesco
Source: SiPix
Source: SiPix
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Cost Sensitive High Information Content
Source: Tai Chiem
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Newly Enabled Applications
Source: Unknown Designer
Source: Eco Gear
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High Information Content Replacements
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Flexible Display Target Market
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Low Cost, Low Information Content
Cost Sensitive High Information Content
Newly Enabled Applications
Replacements for Conventional Glassed Based Applications
Three Year
Shift
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Flexible Display Substrate Market
Glass is ~ 6% of
AMOLED Costs
vs. Projection of
2.4% for Flexible
material
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Two Companies with Great Technology
Polymer Vision
Plastic Logic
 Foldable Technology
 Organic printed TFTs
Undone by the iPhone
June 29, 2007
Now defunct
Undone by the iPad
November 2, 2012
Now w/V. Putin Enterprises
Form Follows Function, it Does Not Lead It
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Frog
Samsung’s Curved TV
Sony 65” Curved TV
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Flexible Displays
Thin Film Encapsulation
- Processing Time
- Cost of Ownership
Flexible OLED
- Flexible Anode & Cathode
Flexible Module
- Reliability
- Bendability
- Thin Polarizer/Touch
Flexible
Substrate
Carrier
TFT Process Architecture
- Low Temp. TFT Process
- TFT with High Reliability
Flexible Substrate
- Moisture Barrier
- Delamination After Completion
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Flexible Display Building Blocks
Ideal
Current
 Substrate – Plastic, Metal or
Glass
 Encapsulate – Thin Film, ALD,
Glass
 Backplane – IGZO, Organic TFT
Bonding/Debonding
 Transparent Conductor – Carbon
Nanotubes, Conductive Polymers,
Graphene, Metal (Silver, Copper)
Films
 Manufacturing – R-T-R, In Line,
Batch
 Organic Deposition – Printing
 Touch – On/In Cell
 Polyimide
 Vitex
 LTPS w/Bonding/debonding
 ITO
 Batch
 VTE
 In Cell
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Flexible Backplanes
Bond–debond process
Laser release process
Etch-back process
Source: Polymer Vision
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Backplane Technology
p-Si
(LTPS)
Cost/Process
Temperature
a-MO
(IGZO)
OTFT
a-Si
Mobility
Reliability
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Summary
Component
Substrate
Encapsulation
Where We Are
Polimide
Vitex
Backplane
LTPS
Transparent Conductor
ITO
Manufacturing
Organic Deposition
Touch
Bonding/Debonding
Batch
VTE
On Cell
Use Carrier
Where We Want To Be
Characteristics
Flexible Glass
High Tg, High Permeation
Flexible Glass, ALD
Low Cost, Low TACT
Low Temperature, High
IGZO, OTFT
Mobility, Reliability
Lower resistance at low
Many Options
temperatures, Reduced
cracking
InLine/Print/R-T-R Higher Material Utilization
Eliminate losses due to
Print
substrate switching
On Cell
Lower Cost
Lower Temperature
Eliminate Carrier
Proces
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R-T-R
Sample R-T-R
process
Source: VDL
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R-T-R Joint Venture
 Industrial Technology Research Institute (ITRI) and Japanbased Komori
 Unveiled a non-lithography roll-to-roll fine-line printing technology for the
development of slim-bezel touch modules
 Replaces photolithograph processes for production of next-generation touch
panels -- mass production in 2014
 Produces touch panels with lines <20 microns in width
 Applied to production of OLED lighting devices, nextgeneration flexible PCBs, solar panels and other display
products,
 Actuating touch panel makers
 Taiwan-based Young Fast Optoelectronics J Touch, Mutto
Optronics
 China-based O-film Tech and Truly Semiconductors
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Samsung and LG Display Announcements
 Good News – Both companies expect to release products in the
4th Quarter
 Bad News – We have heard this story before and no flexible
products demonstrated at IFA
Challenge to Make Touch Operable
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What We Want
What We Got
Sony
Samsung
Apple
WiMM
Qualcomm
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Questions
[email protected]
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