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LITEMAX
ALF/ALH1548
Sunlight Readable 15" LCD Display
(1st Edition 8/23/07)
All information is subject to change without notice.
LITEMAX
Electronics Inc.
8F, No.137, Lane 235, Bau-chiau Rd.,
Shin-dian City, Taipei County, Taiwan R.O.C.
Tel : 886-2-8919-1858
Fax: 886-2-8919-1300
Homepage:
http://www.litemax.com.tw
Page 1
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Table of Contents
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Summary of Contents for LITEMAX ALF/ALH1548
- Page 1 LITEMAX ALF/ALH1548 Sunlight Readable 15” LCD Display (1st Edition 8/23/07) All information is subject to change without notice.
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Page 2: Table Of Contents
Contents 1.0 Handling Precautions............. 3 2.0 General Description ............... 4 2.1 Display Characteristics ......................4 2.2 Optical Characteristics ....................... 5 3.0 Functional Block Diagram ............ 9 4.0 Absolute Maximum Ratings ..........10 4.1 TFT LCD Module ........................10 4.2 Backlight Unit ..........................10 4.3 Absolute Ratings of Environment .................... -
Page 3: Handling Precautions
1.0 Handling Precautions 1) Since front polarizer is easily damaged, pay attention not to scratch it. 2) Be sure to turn off power supply when inserting or disconnecting from input connector. 3) Wipe off water drop immediately. Long contact with water may cause discoloration or spots. 4) When the panel surface is soiled, wipe it with absorbent cotton or other soft cloth. -
Page 4: General Description
2.0 General Description This specification applies to the 15.0 inch Color TFT/LCD Module M150XN07 V2. This module is designed for a display unit of personal computer. The display supports the XGA (1024 (H) x 768(V)) screen format and 16.2M colors (RGB 6-bits + FRC data). All input signals are 1 Channel LVDS interface compatible. -
Page 5: Optical Characteristics
2.2 Optical Characteristics The optical characteristics are measured under stable conditions at 25 ℃ (Room Temperature): Item Unit Conditions Min. Typ. Max. Note Horizontal (Right) CR = 10 (Left) keep total Vertical (Up) 120(Mayb CR = 10 (Down) Viewing Angle [degree] e 60,60) Horizontal... - Page 6 Note 1: Definition of Response time The output signals of photo detector are measured when the input signals are changed from “Black” to “White” (rising time), and from “White” to “Black ”(falling time), respectively. The response time is interval between the 10% and 90% of amplitudes.
- Page 7 Note 3: Crosstalk is defined as below : A’ B’ 184 gray level 184 gray level Unit: percentage of dimension of display area 0 gray level l / L x 100%= 1.5% max., L and L are brightness at location A and B A’...
- Page 8 Amplitude Time Level(at Flicker (dB) Level Page 8...
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Page 9: Functional Block Diagram
3.0 Functional Block Diagram The following diagram shows the functional block of the 15.0 inches wide Color TFT/LCD Module: AU ASIC Timing TFT-LCD Controller LVDS 1024(3)*768 LVDS Pixels Receiver RSDS Transmitter X-Driver IC + 3.3V G768 D3072 12 CCFL DC/DC Gamma Converter Correction... -
Page 10: Absolute Maximum Ratings
4.0 Absolute Maximum Ratings Absolute maximum ratings of the module is as following: 4.1 TFT LCD Module Item Symbol Unit Conditions Logic/LCD Drive +3.6 [Volt] Note 1,2 4.2 Backlight Unit Item Symbol Unit Conditions CCFL Current IRCFL [mA] rms Note 1,2 4.3 Absolute Ratings of Environment Item Symbol... -
Page 11: Electrical Characteristics
5.0 Electrical characteristics 5.1 TFT LCD Module 5.1.1 Power Specification Input power specifications are as follows; Symbol Parameter Units Condition Logic/LCD Drive [Volt] ±10% Voltage VDD current [mA] Vin=3.3V , Gray Bar Pattern, at 60Hz Irush LCD Inrush Current Note VDD Power [Watt] Vin=3.3V , Gray Bar Pattern,... -
Page 12: Signal Electrical Characteristics
5.1.2 Signal Electrical Characteristics Input signals shall be low or Hi-Z state when Vin is off It is recommended to refer the specifications of SN75LVDS82DGG (Texas Instruments) in detail. Each signal characteristics are as follows; Symbol Parameter Units Condition Differential Input [mV] VICM = 1.2V High Threshold... -
Page 13: Backlight Unit
5.2 Backlight Unit Parameter guideline for CCFL Inverter Symbol Parameter Min. Typ. Max. Unit Condition [mA] (Ta=25 IRCFL CCFL operation range Note 4 ICFL CCFL Inrush current [mA] FCFL CCFL Frequency [KHz] (Ta=25 C) Note 1 ViCFL CCFL Ignition Voltage [Volt] 1450 (Ta=0... -
Page 14: Signal Characteristic
6.0 Signal Characteristic 6.1 Pixel Format Image Following figure shows the relationship of the input signals and LCD pixel format. Page 14... -
Page 15: The Input Data Format
6.2 The input data format CLKIN+ CLKIN- RIN0 +/- RIN1 +/- RIN2 +/- RIN3 +/- Rsvd Current Cycle Note1: Please follow PSWG. Note2: 8-bit in Note3: R/G/B data 7:MSB, R/G/B data 0:LSB Page 15... -
Page 16: Signal Description
6.3 Signal Description The module using a pair of LVDS receiver SN75LVDS82(Texas Instruments) or compatible. LVDS is a differential signal technology for LCD interface and high speed data transfer device. Transmitter shall be SN75LVDS83(negative edge sampling) or compatible . The first LVDS port(RxOxxx) transmits odd pixels while the second LVDS port(RxExxx) transmits even pixels. -
Page 17: Interface Timing
6.4 Interface Timing 6.4.1 Timing Characteristics Basically, interface timings described here is not actual input timing of LCD module but output timing of SN75LVDS82DGG (Texas Instruments) or equivalent. Signal Parameter Symbol Unit Clock Timing Clock frequency Hsync Timing Horizontal active 1024 1024 1024... -
Page 18: Timing Diagram
6.4.2 Timing diagram Page 18... -
Page 19: Power On/Off Sequence
6.5 Power ON/OFF Sequence Vin power and lamp on/off sequence is as follows. Interface signals are also shown in the chart. Signals from any system shall be Hi-Z state or low level when Vin is off. 1sec min. 10ms max. Signal 0 min. -
Page 20: Connector & Pin Assignment
7.0 Connector & Pin Assignment Physical interface is described as for the connector on module. These connectors are capable of accommodating the following signals and will be following components. 7.1 TFT LCD Module Interface Connector / Interface card Connector Name / Designation P-TWO or compatible Manufacturer CWY20G –... -
Page 21: Backlight Unit
7.2 Backlight Unit For Lamp Connector Connector Name / Designation JST or compatible Manufacturer BHR-03VS-1 Type / Part Number SM02(8.0)B-BHS-1-TB Mating Type / Part Number 7.3 Signal for Lamp connector X6 Pin Symbol Description Lamp High Voltage No connection Lamp High Voltage Cable length: 140 +- 5 mm Connector-output position: right side (front view) Lamp assembly design shall be easy for replacement and repair. -
Page 22: Reliability
8.0 Reliability Reliability test condition No Test Item Test Condition 50℃, 80%, 300hours Temperature Humidity Bias (THB) 50℃, 300hours High Temperature Operation (HTO) 0℃, 300hours Low Temperature Operation (LTO) 60℃, 300hours High Temperature Storage (HTS) -20℃, 300hours Low Temperature Storage (LTS) -20℃/30min, 60℃/30min, 100 cycles Thermal Shock Test (TST) On/Off Test...
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