2008. 1

SAMSUNG SDI

What is Plasma?What is Plasma?

Which One is Better?Which One is Better?

More Economical than LCD

281 Trillion Color, Superb Uniformity

Picture Noise Free, 100Hz

More Competitive in Large Size (>40”)

Wider Viewing Angle

Gentle to Eye

PSU Embedded Design

Less Power Consumption (~ 2008)

Clear .Clear .Clear .Clear .

PDP HistoryPDP History

HistoryHistory

1960 1970 1980 1990 2000 2010

1964Illinois

UniversityAC PDP 개발

(Bitzer & Slottow)

1968Owens-Illinois Co.ltd, AC

-PDP Product‘DIGIVUE’

HistoryHistory

1960 1970 1980 1990 2000 2010

1970Burroughs Co.ltdDC Self-scan PDP

Gray Level

1971Owens-Illinois Co.ltd

Color AC PDP

1972Hitachi/

MitsubishiMaking Gray

Level of AC PDP

1978NHK, Full Color

16” DC PDP

1973~1978Fujitsu, Matrix Array AC PDP

(Surface Discharge)

HistoryHistory

1960 1970 1980 1990 2000 2010

1983IBM, 960x768, 17” PC AC PDP

Monitor

1985Photonics,

2048x2048, 59” AC PDP

HistoryHistory

1960 1970 1980 1990 2000 2010

1986Illinois

UniversityEnergy

Recovery (Weber) 1990

Fujitsu,ADS Driving31” AC PDP

1993NHK,

40” DC PDP

HistoryHistory

1960 1970 1980 1990 2000 2010

1999Plasmaco,

1366x768, 60”AC PDP

1994Plasmaco,Ramp reset

High Contrast 21” AC PDP

1996Fujitsu, 42”WVGA PDP

Product

1997Pioneer, 50”1280x768,

CLEAR Driving PDP

HistoryHistory

1960 1970 1980 1990 2000 2010

2004SDI, 102” PDP

2000~Matsushita, Plasmaco M&A

→ Competition Starts!

Follow Red Circle !

How Does It Work?How Does It Work?

ImageImageSignalSignal

ProcessProcess

ImageImageSignalSignal

ProcessProcess

MonitorMonitor

LogicLogic(Memory Con(Memory Con

X-Y Con.)X-Y Con.)

LogicLogic(Memory Con(Memory Con

X-Y Con.)X-Y Con.)ScanDrv.- Y PDP PanelPDP Panel X

DATA DriveDATA Drive

TVTV Set Set

Spea-Spea-kerker

Spea-Spea-kerker SMPSSMPSSMPSSMPS

Set Set TopTop

BoxBox

Set Set TopTop

BoxBox

ModuleModule

PDP Electrode StructurePDP Electrode Structure

YA

YX

YY

PDP PanelX: Common ElectrodeY: Scan ElectrodeA: Data Electrode

How Does It Work?How Does It Work?

How Does It Work?How Does It Work?

Glass SubstrateGlass Substrate

Dielectric LayerDielectric Layer

Address ElectrodeAddress Electrode

BarrierBarrier RibRib

Phosphor LayerPhosphor Layer

Glass SubstrateGlass Substrate

Transparent ElectrodeTransparent Electrode

Bus-ElectrodeBus-Electrode

Dielectric LayerDielectric Layer

MgO Thin FilmMgO Thin Film

How Does it Work?How Does it Work?

bus electrode

dielectric ITO electrode

MgO layer

barrier

phosphors

addresselectrode

Front panel

Back panel

Put the Gas(He/Ne/Xe) in the vacuum space to be shut tight with

the front and back glass

The gas discharged if it makes Volt at the electrode

UVU is made and generates the visible light the fluorescent

substance through.

How Does It Work?How Does It Work?

① Ramp 를 이용한 RESET 방전

Address(Data) Drivers

Y-electrode

(Scan Drivers)

X-electrode

② SCAN (1st line addressing)③ SCAN (2nd line addressing)④ SCAN (3rd line addressing)⑤ SCAN (4th line addressing)⑥ SCAN (5th line addressing)⑦ SCAN (6th line addressing)⑧ SCAN (7th line addressing)⑨ SCAN (8th line addressing)⑩ 전면 SUSTAIN 방전 (Vs<Vf)⑪ 벽전하 제거 ERASE 동작 ⑫ Ramp 를 이용한 RESET 방전

Switch = FET

How Does It Work?How Does It Work?

SF1 SF2 SF3 SF4 SF5 SF6 SF7 SF8 Original Im

age

1

.....

2

480

128T64T32T16T8T

4T2T1T

1TV field (time)scan

line

address

sustain

sub-field

ResetPeriod

AddressPeriod

SustainPeriod

X

Y1

Y2

Yn

D

ResetPeriod

AddressPeriod

SustainPeriod

ResetPeriod

AddressPeriod

SustainPeriod

X

Y1

Y2

Yn

D

It is happening only for 16.67ms(=1 TV field) !

ResetResetResetReset AddressAddressAddressAddress SustainSustainSustainSustain

Function• Sustain Erase• Wall Charge Set

Issue• Operation margin• Contrast• Short Time

Function• Sustain Erase• Wall Charge Set

Issue• Operation margin• Contrast• Short Time

Function• Select On Cell

Issue• High Speed• Low Voltage• Low Failure

Function• Select On Cell

Issue• High Speed• Low Voltage• Low Failure

Function• Discharge On Cell

Issue• High Efficiency• Low Voltage• ERC Performance

Function• Discharge On Cell

Issue• High Efficiency• Low Voltage• ERC Performance

How Does it Work?How Does it Work?

Sub Field 3 action made of Reset, Address, Sustain

How Does It Work?How Does It Work?

Ysc

Beads

HI

Xg

Cp

D5

12

Vsc

HI

ERC_L1 2

Beads

Vs

XDf

Ypn

0

Yr

Beads

YDr

Vs

Yg

HI

ERC_L1 2

0

YDf

XDr

HI

Yfr

HI

Xr

Vs

Xf

Vs

Panel

HI

Beads

0

Xs

0

Yset

Vb

Yf

Vsch

HI

Ys

Xb

Xb

GND

GND

Vsch

Vsch+Vset

VbVs

Vs

Vscl

How Does It Work?How Does It Work?

Ysc

Beads

HI

Xg

Cp

D5

12

Vsc

HI

ERC_L1 2

Beads

Vs

XDf

Ypn

0

Yr

Beads

YDr

Vs

Yg

HI

ERC_L1 2

0

YDf

XDr

HI

Yfr

HI

Xr

Vs

Xf

Vs

Panel

HI

Beads

0

Xs

0

Yset

Vb

Yf

Vsch

HI

Ys

Xb

Xb

GND

GND

Vsch

Vsch+Vset

VbVs

Vs

Vscl

System ArchitectureSystem Architecture

• Panel : [Material + Process] + Discharge efficiency

• Circuit : [Excution/Logic Circuit + Logic Algorithm]

+ Discharge wave shape

PDP = Panel + Circuit + Electric dischargePDP = Panel + Circuit + Electric discharge

• Material Tech.

- Elctrode, Phosphors

Dielctric.

• Process Tech.

- Ventilation, Aging

• Excution/Logic

- circuit design,

Optimization.

• Logic Algorithm

- Wave shape/Screen

Panel Panel CircuitCircuit

• Discharge wave shape - Design Tech.

Discharge efficiency - Cell structure, Gas

Discharge Discharge

System ArchitectureSystem Architecture

Y_main X_mainSMPS

Logic

XY

Logic buffer

Logic

[Basic Structure of PDP]

• Drive – Take the logic signal and transmit at Drive IC

• Logic – Take the image signal and control bus electrode and

address electrode to fuction Panel.

• SMPS – Provide the need electricity at an each board (AC/DC, DC/DC)

Glass

ITO electrode

Bus electrode

Dielectric layer 1

Dielectric layer 2

Glass

Address

Barrier Rib

Phosphors

Frit

Dielectric layer

Assembly

Seal & Exhaust

Aging

Upper Glass Lower Glass

Inspection

MgO

Black Stripe

Drive circuit

Module Completion

PDP Panel Making ProcessPDP Panel Making Process

PDP, Well-being DisplayPDP, Well-being Display

The truth of the brightThe truth of the bright

It is really good if it is just bright ?

PDP: To be bright changes according to the screen area → Natural comfortable at the eye intensity.LCD: Always high bright without the relation of the screen area → The eye is tired if it sees continuously.

Bright characteristic

Bright characteristic

( Source: 大阪교육대학 인간행동학과 高橋 誠 교수 연구 , 2005)

PDP : Characteristic is similar

with CRT

LCD : Don't do the bright adjustment

according to the screen area

PDP : Characteristic is similar

with CRT

LCD : Don't do the bright adjustment

according to the screen area

Need natural intensity expression

to reduce the fatigue of the eye.

Shining impression needs

to maintain at least

Need natural intensity expression

to reduce the fatigue of the eye.

Shining impression needs

to maintain at least

500

600

0 25% 50% 75% 100%

400

300

200

100

white screen area

Bright

LCD Avg. Bright

PDP Avg. Bright

(cd/m2)

LCD Peak Bright

CRT Avg. Bright

CRT Bright PDP Peak

Bright

Operate originally to the half less of the resolution in the LCD TV dynamic screen

High resolution in the dynamic screenHigh resolution in the dynamic screen

Slowly ( 8sec/

screen width)

Fast a little ( 4sec/S.W.)

PDP(1280× 768)

PDP(1280× 768)

HD resolution

Almost HD resolution

SD resolution

Less than SD resolution

• Move the picture according to speed and observe to a high capacity camera on the screen• Movement in left to right

(Source: FPD International, 2005)

LCD(1920× 1080)

LCD(1920× 1080)

- LCD TV : Operation to less than SD resolution in the Full HD dynamic

screen.- PDP TV : Original resolution hold in the dynamic screen

100%

180%

SleepyInstability

DisplasementTired

Faint

LCD

PDP

PDP Vs. LCD for Humans eyesPDP Vs. LCD for Humans eyes

1. The fatigue of the eye

100%

120%

LCD

PDP

Before watch

After watch

○ Change of an impression ○ The number change to twinkle the eye

Result of the mental state assessmentResult of the mental state assessment

50+60代

20 代

100%

130%

After watch LCD -> Sleepy/faint impression is relatively big After watch PDP -> Difference does not exist

The fatigue of the eye after we watch LCD TV is more big→ The fatigue of the eye ; LCD > PDP

→ The fatigue of the eye increases especially in the 50 years olds ~ 60 years olds

During watch

PDP Vs. LCD for Humans eyesPDP Vs. LCD for Humans eyes

2. The eye sight degradation

LCD : The eye sight degradation while we watch TV is happened.

- The eye sight recovery after rest.

→ The burden of the eye about LCD is big

PDP : The eye sight degradation does not exist almost

The eye sight change.The eye sight change.

0

Before watch

1st watch

2nd watch

3rd watch

4th watch

-0.05

-0.1

-0.15

-0.225minut

e

After rest

LCD

PDP

Watch TV for 100 minute

Rest

+0.05

○ Eye sight change for the 100 minute

Eye sight degradationEye sight

degradation

Next generation technique districtNext generation

technique district

Next generation Next generation PDPPDP tecnique tecnique

Screen Quality & FHD Screen Quality & FHD

• 13bits image processing13bits image processing

• Enhenced Bright room

contrast

• 40” FHD

• False Contour free

Low consumption electricity

Low consumption electricity

• Low consumption :

100W• Next genetation

discharge structure

CostCost• Low volt drive

method• Low cost Filter• Simple circuit

structure• Low cost panel

material

Natural Color & Gray ScaleNatural Color & Gray Scale

<12 Bit: 4096> <14 Bit: 16384 >

14Bit image processing technologyimage processing technology + Error Diffusion14Bit image processing technologyimage processing technology + Error Diffusion

Enhenced gray scale output and Noise reduction

14 Bit image processing = CRT Like

Error Diffusion

Bright level

input level

Bright level

Input level

Panel + Filter Panel + Filter Panel + Filter Panel + Filter

Enhanced ContrastEnhanced Contrast

Enhenced Panel

Lower Reflection Technology

Enhenced Filter

[Glass Filter] [Film Filter]

FHD FHD

Electric discharge space extention - 6% space extention (50FHD) - 42”FHD Possible DATA elctrode reduction : 35%

SDI New structure = Electric discharge space extension

+ DATA elctrode reduction

New structure which the electric discharge is possible in small space

- SDI 50FHD (New Cell structure)

Y1

XY2

X

A1 A2 A3

Conventional New

Y2

Y1

XY3

X

A2A1

X

Key point of Full HD is CostKey point of Full HD is Cost

High Speed Data Processing High Speed Data Processing - HIgh speed Scan time : Conventional 1.96us → New 1.1us

- High speed Data processing : Conventional 67.4MHz → New 148.5MHz

※ FHD S/Scan : New execution method development need

Need FHD panel technique (0.5 p)Need FHD panel technique (0.5 p) - Present structure impossible → Need new structure development

<Scan time>

Conventional

1.96us 1.1us

Full HD

<High Speed Scan time>

Low consumption electricity

Innovative structure development

New discharge structure

[ Equal to the consumption electricity of the 100W glow lamp]

• Surface discharge → Nonsurface discharge → Space discharge• Negative Glow discharge → Positive Column discharge• Create UV without discharge

Efficiency 3 times

enhance

??==ConventioConventio

nalnalConventioConventio

nalnal

==NewNewNewNew

COST COST

• 1st : Small Size PBA 、 Multi Channel Drive IC

• 2nd : Reduce Driving volt 50% 、 Simple component

• 3rd : LSI and Reduce PBA 、 Apply COG Tech.

Simple circuit + Reduce Driving Volt

Present

Next Step

?

DTV = PDP World DTV = PDP World

Only 1, No.1 DisplayOnly 1, No.1 Display

CRT Like CostCRT Like Cost

High qualityHigh quality

screenscreen

FHDFHD

Big Screen Big Screen

· Natural color· Reality

· All FHD · Size 37”~102”

HDTV

Replacement CRT, PJT

IndustryIndustry

Beyond Your Expectations