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OLED

Sony Eco Media Briefing

Tim Page

Technology Marketing Manager

Sony TV Operations Europe

OLED

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OLED – The Latest flat screen technology

11” XEL-1 model Launched:Japan 1s Dec 07 - 200,000 YenUSA - Jan 08 $2500

Sony is first to market w ithfirst commercialised OLED

Television

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OLED

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OLED CharacteristicsOLED Characteristics

An Organic-Film-Laminated, Self-luminous Device with ExcellentProperties for Television Display

OLED panel

OrganicEL film

LCD panel

Polarizing film

Color filter

LC

Polarizing film

Backlight

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OLED OLED vs LCD

• An Organic-Film-Laminated, Self-luminous Device with

Excellent Properties for Television Display

• Self-luminous material that generates fluorescence

• Wide viewing angle of the OLED gives vivid and clear images

• Extremely thin device• Higher Contrast, Higher Brightness, Wider range of Colour, and

Faster Response time than a conventional LCD TV panel

LCD panel

Polarizing

filmColor filter

Liquid Crystal

Polarizing film

Backlight

OLED panel

OrganicEL film

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Conventional TV OLED TV

High contrastThe OLED display technology keeps the

luminous phenomenon under perfect

control. The result is striking

reproducibility of black levels and sharp

images with high contrast.

Response time

The OLED pixels emit light directly. Thisresults in a nearly instant response time,

an ideal display property for watching

fast-paced movements such as football

game play.

Wide viewing angleEnjoy motion pictures from any angle.

OLED TV Features of OLED TV

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Glass bottom plate

Glass top plate

Organic EL pixels

TFT substrate

Resin

Color filter

OLED display construction (cross-section)

Structure of the OLED DisplayThe OLED display has two structures: bottom emission and top emission. The bottom emission is amethod to extract the light generated by EL from the thin-film transistor (TFT) substrate side while the topemission is to get the light from the counter substrate side. Sony adopted a top-emission construction to

extract the light more efficiently.

Overview of Sony’s OLED display construction

Bottom Emission Structure

Top Emission Structure

Glass Plate

Glass Plate

Anode

Organic ELLayer

Glass Plate

Glass Plate

Clear Anode

Cathode

Organic EL Layer

TFT Circuit

Color Filter

TFT Circuit

Semi Clear Cathode

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Contrast Ratio – 1million :1

• When the screen is all black, light emission is completely cut off.

• Since no backlight is necessary, there is no light leakage.• Comparison of all white/all black

• Contrast Ratio exceeds the limit of measurement

Reproducing crispness, deep and three-dimensional image

High Contrast Ratio

Glass Substrate: Approx. 0.7mm

Glass Substrate: Approx. 0.7mm

Organic Material Layer: nanometer order thinness

TFT Circuit

By completely cutting off light, the colourof black can be faithfully reproduced.

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High Brightness - Beautiful Picture

Reproducing the picture glow from high peak brightness

Comparison of all white and peak brightness

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

LCD (Sony’s 20 inch)

OLED (XEL-1)

Large SmallWindow Size

   B  r   i  g   h   t  n  e  s  s   R  a   t   i  o

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Wider Colour Reproduction

• Reproducing wide range of colours even in dark picture

• 80% of motion picture content uses this range of signal. And thecapability of colour reproduction in darker image defines thetexture / quality of image

OLED With Wide colour Reproduction

LCDOLED

低

再現性能

OLED (XEL-1)

Small LargeImput Level

LCD (Sony’s 20 inch)

  c  o   l  o  u  r   R  e  p  r  o   d  u  c   t   i  o  n

Hight

Low

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OLED TVOLED TV

Thickness

(Thinnest Part)

Picture Size 11”

Resolution 960x540

Power

Consumption45W

Size287x253x140

(WxHxD)

Weight 2.0kg

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11” XEL-1 TV Construction

• Thickness of 3mm

• Compact, rich design

Bezel Panel1.4mm

Board

Rear Cover

Ornament Cover

Structure to realize “3mm” with high quality

 Antenna forTerrestrial Digital

SpeakerBox

Control buttonsB-CAS Board

Main Board

Rich Functions are incorporated inside the base part

To Realize compact chassis structure, high density mounting technology andmulti-layer substrate technology accumulated at Sony EMCS are utilized

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OLED Future

• 27” prototype OLED shown at CES

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Middle & Large Size OLED

• Sony Corporation to invest 22 billion yen to strengthen middle and largesize OLED panel production technology.

• Plan to accelerate the shift to middle and large size, high image qualityOLED panels.

• Investment from March 31st

2009• TFT (thin film transistor) and EL (electroluminescent) layer coating

Implement this production technology by 31st March 2010

• Purpose of investment: Strengthen middle and large size OLED panelproduction technology

• Investment amount: Approximately 22 billion yen (planned)

• Investment timeframe: By 31st March 2009

• Investment site: Higashiura factory, Sony Mobile Display Corporation

• Investment details: TFT infrastructure, EL layer coating infrastructure

• Size of glass substrate: 600mm X 720mm

• Products: Sony Home / Personal / Professional Displays

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OLED Future?