Jan. 2013

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Transparent Frame(Active Bezel)

Seamless LCD

4 TYPES OF VIDEO WALLS4 TYPES OF VIDEO WALLS

3) LED – Light-Emitting Diode (Self-Lighted)3) LED – Light-Emitting Diode (Self-Lighted)

1) DLP – Digital Lighting Process (Back Projection)1) DLP – Digital Lighting Process (Back Projection)

2) PDP – Plasma Display Panel (Self-Lighted)2) PDP – Plasma Display Panel (Self-Lighted)

4) LCD – Liquid Crystal Display (Back-Lighted)4) LCD – Liquid Crystal Display (Back-Lighted)

LCD CharacteristicsLCD Characteristics

3) LCD is higher reliability - It usually falls into outdate before it stops working

3) LCD is higher reliability - It usually falls into outdate before it stops working

1) LCD is a maturity industry with huge industry chains 1) LCD is a maturity industry with huge industry chains

2) LCD is the king of display - Everybody takes LCD, usually takes more than one of them - Everywhere is spread by LCD, house, office, public building

2) LCD is the king of display - Everybody takes LCD, usually takes more than one of them - Everywhere is spread by LCD, house, office, public building

4) LCD size is becoming larger and larger - Today, the largest size of LCD is 120 inches, though it’s hard to be shipped

4) LCD size is becoming larger and larger - Today, the largest size of LCD is 120 inches, though it’s hard to be shipped

5) Resolution of LCD is going to be 4,000 (4K) - A Full HD could be easily made in a size of mobile phone - In other words, a size of 4 mobile phones will reach 4K resolution

5) Resolution of LCD is going to be 4,000 (4K) - A Full HD could be easily made in a size of mobile phone - In other words, a size of 4 mobile phones will reach 4K resolution

6) LCD is Lower Power Consumption with Long Life - Power Consumption is about 260 w/m2

- Working Life is over 60,000 hours

6) LCD is Lower Power Consumption with Long Life - Power Consumption is about 260 w/m2

- Working Life is over 60,000 hours

A Typical DLP Body

650 ~815 mmHigher Maintenance and Larger Space required

Pixel = 1024 x 768

Brightness =225 ~ 300 cd/m2

RequiredBack

Space at1 m

Suitable to A Dimmer Room

Bezel = 3 mm

Lower Brightness, Resolution and Life

Video Source

Front Screen

Side Structure

1.5 mm Black Frame 1.5 mmBlack Frame

650 ~ 815 m

m650 ~

815 mm

Central Light

DLP Projector

Black Bezel of DLP at about 3 mm

PDP Three-Cells to Trip-ColorPDP Three-Cells to Trip-Color

Three Vacuum Cells Displayed as Trip-ColorThree Vacuum Cells Displayed as Trip-Color

Vacuum Cells is keeping Discharged and easily to cause Cell Burned

Vacuum Cells is keeping Discharged and easily to cause Cell Burned

Front Glass

Fluorescent

Address Electrode

Discharge

UV

General Electrode

Real Picture of PDP Vacuum CellReal Picture of PDP Vacuum Cell

Pixel Pitch ≈ 1.3 mm

3 Vacuum CellsDisplays as one Pixel

Cell Dimensionis physically limitedto be smaller- Resolution is lower

1.3 mm

Power Consumptionis about 760 w/m2

PDP Video WallPDP Video Wall

Bezel at 3 mmBezel at 3 mm

LED Video WallLED Video Wall

LED BackgroundLED Background

LED FloorLED Floor

Ballet ActressBallet Actress

AudienceAudience AudienceAudience

LED DisplayLED Display

LED Display is a Matrix of R,G,B LEDLED Display is a Matrix of R,G,B LED

6 ~ 20 mm6 ~ 20 mm

A Nice Watching Distance ≈ LED Pitch x 3,000A Nice Watching Distance ≈ LED Pitch x 3,000

P20: 60 m WatchingP20: 60 m Watching

P6: 18 m WatchingP6: 18 m Watching

≈ 0.02°≈ 0.02°

If LED Pitch = 20A nice Watching Distance ≈ 20 x 3,000 mm ≈ 60 meters If LED Pitch = 20A nice Watching Distance ≈ 20 x 3,000 mm ≈ 60 meters

Eyes Resolution Ratio ≈ 0.005° Eyes Resolution Ratio ≈ 0.005°

That’s why we still can detect the brightness and darkness between LED dotseven over 60 meters away

That’s why we still can detect the brightness and darkness between LED dotseven over 60 meters away

60 m60 m

20 mm20 mm

Relationship between LED Pitch and Eyes Resolution RatioRelationship between LED Pitch and Eyes Resolution Ratio

LED Dots Detected by Long-FocusLED Dots Detected by Long-Focus

LED Dots are clearly detectedwhen a Long-Focus camera

focuses on actorswho are just before the LED screen

LED Dots are clearly detectedwhen a Long-Focus camera

focuses on actorswho are just before the LED screen

And some dots damagedAnd some dots damaged

Video Wall over 30 YearsVideo Wall over 30 Years

DLP (Projector) ： Thicker Body ， Lower Brightness and ResolutionDLP (Projector) ： Thicker Body ， Lower Brightness and Resolution

PDP (Plasma) ： Lower Resolution ， Higher Power Consumption and Heat GenerationPDP (Plasma) ： Lower Resolution ， Higher Power Consumption and Heat Generation

Why they dominated Video Wall market over 30 years?Why they dominated Video Wall market over 30 years?

LED is good for outdoor ： Long distance view ， wider pitch with lower priceLED is good for outdoor ： Long distance view ， wider pitch with lower price

Pitch of LED now reaches 1.9 mm ， a precondition of indoor displayPitch of LED now reaches 1.9 mm ， a precondition of indoor display

The major reason is they have a small Bezel at about 2~3 mmThe major reason is they have a small Bezel at about 2~3 mm

Pitch 1.9 ≈ 526 pieces LED per meter ， 277,000 LED per m2Pitch 1.9 ≈ 526 pieces LED per meter ， 277,000 LED per m2

It’s a really challenge at Unit Price, Power Consumption and Heat Generation It’s a really challenge at Unit Price, Power Consumption and Heat Generation

LCD uses Leaser Cutting Tech., a maturity process to build higher resolution- A mobile can easily reaches Full HD at 2K- A size of 4 mobiles reaches 4K

LCD uses Leaser Cutting Tech., a maturity process to build higher resolution- A mobile can easily reaches Full HD at 2K- A size of 4 mobiles reaches 4K

Why Video Wall is not LCD YesterdayWhy Video Wall is not LCD Yesterday

Why LCD only came to Video Wall applications in year’s of 2010? Why LCD only came to Video Wall applications in year’s of 2010?

Obstacle is the Black and Dead Bezel which is a nature of LCDObstacle is the Black and Dead Bezel which is a nature of LCD

Black and Dead Bezel is a Bar jails LCD for Video Wall applicationsBlack Bezel over Full HD display likes one tights his belt over his suitBlack and Dead Bezel is a Bar jails LCD for Video Wall applicationsBlack Bezel over Full HD display likes one tights his belt over his suit

It’s an obstacle for some applications sensitive to Black and Dead Bezel - Display an import person like TV Station- Showing data in Central Bank- Detect dots of carriers on map or radar in control room

It’s an obstacle for some applications sensitive to Black and Dead Bezel - Display an import person like TV Station- Showing data in Central Bank- Detect dots of carriers on map or radar in control room

Liquid Crystal G

lass

LED

B/L

15 ~ 25

LED

B/L

4.6

2.7

15 ~ 25

Active A

rea

Dead Bezel

Dead Bezel

Civil TVIn Supermarket

IndustrySuper Narrow

withDead Bezel

Dead Bezel

Dead Bezel

LCD Panel Structure

Civil TV in SupermarketCivil TV in Supermarket Industry Super Narrow FrameIndustry Super Narrow Frame

> 30> 3077

LCD Display ResultLCD Display Result

Civil TV is no way for Video WallCivil TV is no way for Video Wall DLP and PDPIs estimable for Narrow Bezels

DLP and PDPIs estimable for Narrow Bezels

The Narrower the Bezel, the Higher the TechnologyThe Narrower the Bezel, the Higher the Technology

But No Dead Bezel, No Active LCD!Where is a solution?

But No Dead Bezel, No Active LCD!Where is a solution?

It’s a fault to display everything!(Face Destroyed, Eyes and Nose are gapped)

It’s a fault to display everything!(Face Destroyed, Eyes and Nose are gapped)

Image under Bezelmust be cut / covered

(Displaying Lost)

Image under Bezelmust be cut / covered

(Displaying Lost)

Displaying Lost under Super Narrow FrameDisplaying Lost under Super Narrow Frame

Whatever narrow of the bezel ， video under the bezel must be cut / coveredWhatever narrow of the bezel ， video under the bezel must be cut / covered

What wrong with this picture?What wrong with this picture?

Picture in picture (PIP) is cut into Four Portions by Black FramePicture in picture (PIP) is cut into Four Portions by Black Frame

DLP, PDP or Super Narrow with Dead BezelDLP, PDP or Super Narrow with Dead Bezel

LED

B/L

4.6

2.7

Active A

rea

LED

B/L

4.6

2.7

Active A

rea

Transparent

Fram

e

Display Restoring

Display Restoring

Bar to DisplayBar to Display

Bar to DisplayBar to Display

Transparent vs. Supper Narrow

TransparentFrame

Active BezelSeamless

Super NarrowFrame

Dead Bezel

Transparent Frame (Active Bezel)Transparent Frame (Active Bezel)

Transparent Frame(Active Bezel)

Transparent Frame(Active Bezel)

Super Narrow Frame(Dead Bezel)

Super Narrow Frame(Dead Bezel)

Transparent Frame (Active Bezel) Restores the DisplayCut / Covered by Dead Bezel

Transparent Frame (Active Bezel) Restores the DisplayCut / Covered by Dead Bezel

PIP on Transparent FramePIP on Transparent Frame

Transparent Frame (Active Bezel)Transparent Frame (Active Bezel)

ConclusionConclusion

LCD is the King of DisplayEvery one takes several LCDs and LCD spreads everywhere

LCD is the King of DisplayEvery one takes several LCDs and LCD spreads everywhere

LCD for video wall is only about three yearsbut almost kills Thirty-year’s DLP and PDP

LCD for video wall is only about three yearsbut almost kills Thirty-year’s DLP and PDP

Transparent Frame (Active Bezel) is assisting LCDto be the King of Video Wall

Transparent Frame (Active Bezel) is assisting LCDto be the King of Video Wall

ThanksThanks