20080701-062-lcd電子系統設計要領
TRANSCRIPT
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(Plasma) (Rear Projection)
(LCD) LCD TV
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Subject
Picture
Sound
Connection
Information Reception
Multimedia function
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Picture Quality Factors
Brightness
Contrast
Color
Sharpness
Viewing Angle
Response Time
Uniformity
Jaggy
Jerky
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A Typical Picture Specification
Screen Size : 30" (76 cm)
Visible Screen Size : 75 cm (29,53)
Display : LCD WXGA Active Matrix TFTtechnology
Resolution 1280x768 (x3) pixels
Response time LCD : 16 ms
Brightness : 450 cd/m2
Contrast Ratio : 350:1
Viewing Angles : 176H/176V Anti Reflex Coated Screen
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Brightness
More backlight
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Contrast
Whiter and blacker
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Gamma Correction
The detail of black and white field
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Color - cross colorCross-color
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Color flesh tone correction
Too healthy
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Color white balance & colortemperature
Black Body Locus
5300K
6500K
9300K
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Sharpness
More clear edge
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Viewing AngleGood
Bad Lower contrast, color
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Response Time
Tailing
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Uniformity
Mura
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Jaggy
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Jerky motion blur
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Panel Technology: IPS vsMVA
Samsung, Sharp, CMO,AUO
FujitsuLow
High
OK
OK
Good
Acceptable
Good
MVA
(Multi-domain verticalalignment)
Hitachi, LG PhillipUser
HitachiTechnologyOwner
HighCost
LowYield
Hard to controlQuality control
OKBrightness
GoodContrast
AcceptableResponse time
ExcellentView angel
IPS
(In plane switch)
Source: JPMorgan estimates, December 2003
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POST
ENHANCE.
PQ Decision Weighting in LCD TV
TUNER
IF
LUMA/
CHROMA
SEP
SYNC
SEP
CHROMA
PROC
LUMA
PROC
SCALER
AUDIO
PROC
CONTROL
DATA
PROC
RF
IF
CVBS
SIF
CS
HS/VS
YUV
RGB
IR/KBD
De-int.
CVBSS
YPbPr
SCART
PC VGA/DVI1394
STB DVI/HDMI
LCD panel
480i/576i
480p/576p
1080i
720p
NTSC
PAL
SECAM
STEREO
DECODER
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Subject
Picture
Sound
Connection
Information
Reception
Multimedia function
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Virtual Surrounding Process
Good sound can improve visualeffect
An auxiliary selling point: SRS
BBE
Virtual Dolby
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Some Real SurroundingTechnology Dolby Pro Logic
Dolby Digital
DTS
THX Surround EX / DolbyDigital EX
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Subject
Picture
Sound
Connection
Information
Reception
Multimedia function
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RF connections
NTSC (F-connector)
PAL/SECAM (IEC connector)
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Analog video connections
CVBS
S-video
YPbPr/YCbCr
SCART
EIA-J D D1-D5
D-sub
HD support: 480P/1080I/720P
Japan D formats
D1: 480I
D2: 480P
D3: 1080I
D4: 720P
D5: 1080P
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Digital video connections
DVI
DVI-I
DVI-D
DVI-A
HDCP (High-speed Data Content Protection)
1394
HDMI
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Audio connections
Baseband audio
RED: Right channel WHITE: Left channel
Sub-woofer
Digital audio Coaxial
Optical
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Standard Connections
CVBS/S-video
YPbPr
YPbPr(HD) CVBS/S-video
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Subject
Picture
Sound
Connection
Information
Reception
Multimedia function
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Closed Caption
Allows the viewer to read TV programdialogue or voice conversations as on screentext
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V-chip
A program content advisory data
Respond to the advisory data byblocking content that the viewer findsobjectionable
FCC approved a program rating systemin March 1998
All new TV sets (13 inches and larger)sold within US should have it by January2000
CC/V-chip
For the US, Canada, and Brazil
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Teletext Pages
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Subject
Picture
Sound
Connection
Information
Reception
Multimedia function
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TV Color Systems
1. NTSC M
NTSC-JNTSC 4.43
2. PAL I DB, B1, G, H N
M Nc
3. SECAM D, K, K1, L
B, G
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World TV Systems
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TV Channel Allocation
North America Japan
UHF
VHF-L
VHF-H
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Analog Stereo Sound
BTSC North America, South America,Taiwan
EIA-JJapan
Zweiton M Korea
Zweiton (A2) Germany
Stereo
Mono
SAP
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Digital Stereo Sound
NICAM Near Instantaneous CompandedAudio Multiplexer
First digital audio transmission Near CD quality
for Europe, China, South-east Asia
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Various Models by Region
S/CVBS
YPbPr
S/CVBS
YPbPr
S/CVBS
YPbPr
S/CVBS
D-conn.
S/CVBS
YPbPr
S/CVBS
YPbPr
S/CVBS
YPbPr
SCART
S/CVBS
(YPbPr)
I/O
------YESYESTeletext
YES---YES---CC/V-chip
MTSMTSA2-MEIA-JMTSNICAMNICAM
A2
NICAM
A2
Stere
o
NTSCNTSCNTSCNTSC-JNTSCPAL(CN-
multi.)
PAL
NTSC
PAL
SECAMTuner
SATWKoreaJapanNAChinaAPEU
NTSCPAL
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Digital TV
Digitize the transmission to haveuser get:
High quality AV No noise, high definition, real surrounding
More program access Hundreds of program in same spectrum
Information service EPG: Electronic Program Guide
PPV: Pay Per View Broadband Internet access
On-line shopping
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World DTV Systems
Pushed by FCC
Pulled by HDTVPulled by
HDTV
Pulled by
Multi-channel service
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Subject
Picture
Sound
Connection
Information
Reception
Multimedia function
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Add-on Features
Card reader
6-in-1, show the content from DSC media
Hard disc
Video recording
Wireless
Any room, any place
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LCD TV
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Thank You!