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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