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PROPRIETARY NOTE
THIS SPECIFICATION IS THE PROPERTY OF HYDIS AND SHALL NOT
BE REPRODUCED OR COPIED WITHOUT THE WRITTEN PERMISSION OF
HYDIS AND MUST BE RETURNED TO HYDIS UPON ITS REQUEST
TITLE : HV121WX5 -121
Product Specification
HYDIS Technologies
SPEC. NUMBER PRODUCT GROUP REV. ISSUE DATE PAGE
S864-1428 TFT LCD 0 2010.12.15 1 OF 32
B2005-C001-D (1/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
REVISION HISTORY
REV. ECN NO. DESCRIPTION OF CHANGES DATE PREPARED
0 Initial Release 10.12.15 J.T LEE
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification 2 OF 32
B2005-C001-D (2/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
Contents
No Item Page
1.0 General Description 4
2.0 Absolute Maximum Ratings 6
3.0 Electrical Specifications 7
4.0 Optical Specifications 9
5.0 Interface Connections 14
6.0 Input Signals, Basic Display Colors & Gray Scale of Colors 16
7.0 Power Sequence 19
8.0 Mechanical Characteristics 20
9.0 Mechanical Drawing 21
10.0 Reliability Test 23
11.0 Handling & Cautions 23
12.0 Labels 25
13.0 Packing Information 27
14.0 EDID 29
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
3 OF 32
B2005-C001-D (3/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
1.0 GENERAL DESCRIPTION
1.1 Introduction
HV121WX5-121 is a color active matrix TFT LCD module using amorphous silicon TFT's
(Thin Film Transistors) as an active switching devices. This module has a 12.1 inch
diagonally measured active area with WXGA resolutions (1280 horizontal by 800 vertical
pixel array). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in
vertical Stripe and this module can display 262,144 colors. The TFT-LCD panel used for this
module is a low reflection and higher color type.
Source Driver
eDP
Input eDP Rx
Signal +
T/CON
TFT LCD Panel
Gate Driver
Connector (CN
DC/DC 1280 800
1
VDD
Gamma
Vcom
1
)
HVDD
LED Driver
VDIM Back Light (SMD LED Array)
CN2
1.2 Features
z Thin and Light Weight
z 3.3 V Logic Power Supply
z 12V Back-light Power Supply
z 1 lane eDP Interface
z SMD LED (48EA) Array (Bottom Side/Horizontal Direction)
z 262,144 Colors
z Data Enable Signal Mode
z Side Mounting Frame
z Green Product (RoHS)
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
4 OF 32
B2005-C001-D (3/3) A4(210 X 297)
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TFT LCD PRODUCT 0 2010.12.15
1.3 Application
z Tablet PC (Wide type)
1.4 General Specifications
Parameter Specification Unit Remarks
Active area 261.12(H) 163.20(V) mm
Number of pixels 1280(H) 800(V) pixels
Pixel pitch 0.204(H) 0.204(V) mm
Pixel arrangement RGB Vertical Stripe
Display colors 262,144 colors
Display mode Normally Black
Outline dimension 276.8r0.3(H) 180.0r0.3(V) 6.8(D:Max.) mm Note 1
Weight 265(Typ.) g Note 2
Back-light SMD LED (48EA) Array
Note 1 : at PCB side
Note 2 : without digitizer
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
5 OF 32
B2005-C001-D (3/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
2.0 ABSOLUTE MAXIMUM RATINGS
The followings are maximum values which, if exceed, may cause faulty operation or
damage to the unit.
Ta=25+/-2 C
Parameter Symbol Min. Max. Unit Remarks
Logic Power Supply Voltage VDD -0.3 4.0 V
Logic Power Supply Voltage VIN -0.3 VDD+0.3 V
Back-light Power Supply Voltage HVDD -0.3 40 V
Back-light LED Current ILED - 30 mA Note 1
Back-light LED Reverse Voltage VR - 5 V
Operating Temperature TOP 0 +50
Note 1, Note 2
Storage Temperature TSP -20 +60
Note 1. Ambient temperature vs allowable forward current are shown in the figure below.
Note 2. Temperature and relative humidity range are shown in the figure below.
90% RH Max. ( 40 Ta)
Maximum wet - bulb temperature at 39 or less. ( > 40 ) No condensation.
Relative Humudity
100
90 (40, 90)
80
60
Operating Range (50, 50)
40
(60, 27)
20
Storage Range
5
-40 -20 0 20 40 60 80
Temperature ( )
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
3.0 ELECTRICAL SPECIFICATIONS
3.1 Electrical Specifications
< Table 3. Electrical Specifications >
Parameter Min. Typ. Max. Unit Remarks
Logic Power Supply Voltage VDD 3.0 3.3 3.6 V Note 1
Logic Power Supply Current IDD - 346 470 mA Note 1
Back-light Power Supply Voltage HVDD 7.0 12.0 20 V Note 2
Back-light Power Supply Current IHVDD - 255 305 mA Note 2, 3
Back-light Power Consumption PBL - 3.06 3.66 W Note 2, 3
Power Consumption (EBL) PEBL - 1.83 2.0 W Note 1, 2, 3
LED Driver's Efficiency - 82 - % Note 2, 3
Back-light PWM Frequency FPWM 200 280 350
High Level PWM Signal Voltage VPWMH 2.1 3.3 5.0 V
Low Level PWM Signal Voltage VPWML - 0 0.6 V
Back-light LED Voltage / VLED - 3.1 3.5/ V Note 4
Back-light LED Total Voltage /VBL / 37.2 42.0
Back-light LED Current / ILED - 16.9 17.8/ mA Note 4
Back-light LED Total Current /IBL / 67.6 71.2
Life Time 10,000 - - Hrs Based on LED
PD - 1.14 TBD W Note 1
Power Consumption PLED - 2.51 2.99 W Note 4
Ptotal - 3.65 TBD W Note 1, 4
Notes : 1. The supply voltage is measured and specified at the interface connector of LCM.
The current draw and power consumption specified is for 3.3V at 25 .
a) Typ : Window XP pattern, b) Max : Vertical Sub line pattern
c) EBL : Mosaic pattern ( 32 X 32 )
2. The power supply voltage and current is measured and specified at the interface
connector of LCM including LED Driver.
3. Reference value, which is measured with LED Driver for 12V.
4. Reference value, which is measured without LED Driver.
5. Calculated value for reference (VLED ILED # of LEDs (48EA) ).
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
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B2005-C001-D (3/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
3.2 PWM Duty Ratio vs Brightness
100
90
80
Relative Brightness (%)
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Duty Ratio (%)
Notes :
In case of duty ratio 0%, LED can't illuminate itself so this state is LED off.
In case of duty ratio 100%, the brightness of LED is maximum and the state is LED on.
SPEC. NUMBER SPEC TITLE PAGE
S864-1428 HV121WX5-121 Product Specification
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B2005-C001-D (3/3) A4(210 X 297)
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PRODUCT GROUP REV ISSUE DATE
TFT LCD PRODUCT 0 2010.12.15
4.0 OPTICAL SPECIFICATIONS
4.1 Overview
The test of optical specifications shall be measured in a dark room (ambient luminance d 1
lux and temperature = 25r2 ) with the equipment of Luminance meter system (Goniometer
system and TOPCON BM-5A) and test unit shall be located at an approximate distance
50cm from the LCD surface at a viewing angle of and equal to 0q. We refer to