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The Copyright to this document belongs to NEC LCD Technologies, Ltd. (hereinafter called "NEC"). No part of this document will be used, reproduced or copied without prior written consent of NEC. NEC does and will not assume any liability for infringement of patents, copyrights or other intellectual property rights of any third party arising out of or in connection with application of the products described herein except for that directly attributable to mechanisms and workmanship thereof.
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NL12880BC20-05 CONTENTS INTRODUCTION ............................2 1. OUTLINE..............................4 1.1 STRUCTURE AND PRINCIPLE ......................4 1.2 APPLICATION ............................4 1.3 FEATURES ............................4 2. GENERAL SPECIFICATIONS......................5 3. BLOCK DIAGRAM ..........................6 4. DETAILED SPECIFICATIONS......................8 4.1 MECHANICAL SPECIFICATIONS ....................8 4.2 ABSOLUTE MAXIMUM RATINGS....................8 4.3 ELECTRICAL CHARACTERISTICS....................9 4.3.1 LCD panel signal processing board .....................9 4.3.2 Backlight............................10...
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1. OUTLINE 1.1 STRUCTURE AND PRINCIPLE Color LCD module NL12880BC20-05 is composed of the amorphous silicon thin film transistor liquid crystal display (a-Si TFT LCD) panel structure with driver LSIs for driving the TFT (Thin Film Transistor) array and a backlight.
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NL12880BC20-05 2. GENERAL SPECIFICATIONS 261.12 (H) × 163.2 (V) mm Display area Diagonal size of display 31cm (12.1 inches) Drive system a-Si TFT active matrix 16,777,216 colors (At 8-bit input, FRC terminal= High) Display color 262,144 colors (At 6-bit input, FRC terminal= Low or Open) 1280 (H) ×...
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NL12880BC20-05 4.3 ELECTRICAL CHARACTERISTICS 4.3.1 LCD panel signal processing board (Ta= 25°C) Parameter Symbol min. typ. max. Unit Remarks Power supply vo ltage (500) (860) Power supply current at VCC= 3.3V Note1 Note2 Permissible ripple voltage mVp-p for VCC High...
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NL12880BC20-05 4.3.2 Backlight (Note1, Note2) Parameter Symbol min. typ. max. Unit Remarks Forward current 50.0 55.0 Ta= +25°C 21.2 (24.0) 27.2 at IL= 50 mA /One circuit Ta= +70°C (19.3) at IL= 50 mA /One circuit Forward Voltage Ta= -20°C 29.2...
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NL12880BC20-05 4.4 POWER SUPPLY VOLTAGE SEQUENCE 4.4.1 LCD pan el signal pr ocessing boa 3.0V Note1 10μs ≤Tr< 50ms Toff≥ 50ms Display signals*, Function signals Note2 VALID period 0ms <t< 35ms 0ms <t< 35ms * These signals should be measured at the terminal of 100Ω resistance.
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NL12880BC20-05 4.5 CONNECTIONS AND FUNCTIONS FOR INTERFACE PINS 4.5.1 LCD panel signal processing board CN1 socket (LCD module side): FI-SE20P-HFE (Japan Aviation Electronics Industry Limited (JA Adaptable plug: FI-S20S (Japan Aviation Electronics Industry Limited (JA Input data signal: 8bit Input data...
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NL12880BC20-05 4.5.4 Connection between receiver and transmitter for LVDS (1) LVDS Input data map A Host LCD modu (Product) Note2 Note3 CLK+ RCLK+ TCLK+ CLK- RCLK- TCLK- Signal processor Rece iver for LVDS Note4 Note4 Equivalent of THC63LVDF84B Note4 CLK IN...
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NL12880BC20-05 (2) LVDS Input data map B Host LCD module (Product) Note2 Note3 TCLK+ RCLK+ CLK+ TCLK- RCLK- CLK- Signal processor Note4 Receiver for LVDS Note4 Equivalent of THC63LVDF84B Note4 CLK IN LVDS transmitter THC63LVDM83R or equivalent LCD controller Note1 LCD panel signal processing board Note1: Recommended transmitter THC63LVDM83R (THine Electronics Inc.) or equivalent...
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NL12880BC20-05 (3) Input data signal: 6bit Host LCD module (Product) Note2 Note3 TCLK+ RCLK+ CLK+ TCLK- RCLK- CLK- Signal processor Receiver for LVDS Note4 Note4 Equivalent of THC63LVDF84B CLK IN LVDS transmitter LCD controller THC63LVDM83R or equivalent Note1 LCD panel signal processing board Note1: Recommended transmitter THC63LVDM83R (THine Electronics Inc.) or equivalent...
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NL12880BC20-05 .5.5 Input data mapping (1) Input data signal: 8bit , MAP A CLK+/- 1CLK D0+/- D1+/- D2+/- D3+/- (2) Input data signal: 8bit , MAP B CLK+/- 1CLK D0+/- D1+/- D2+/- D3+/- PRELIMINARY DATA SHEET DOD-PP-0936 (1st edition) Arrow.com.
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NL12880BC20-05 ) Input data signal: 6bit CLK+/- 1CLK D0+/- D1+/- D2+/- 4.6 DISPLAY COLORS AND INPUT DATA SIGNALS 4.6.1 Combinations of input data signals, FRC signal and MSL signal This product can display 16,777,216 colors equivalent with 256 gray scales and 262,144 colors with 64 gray scales by combination of input data signals and FRC and MSL signal.
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NL12880BC20-05 4.6.2 16,777,216 colors This product can display 16,777,216 colors equivalent with 256 gray scales by combination ① or ②. (See "4.6.1 Combinations of input data signals, FRC and MSL signal".) Also the relation between display colors and input data signals is as follows.
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NL12880BC20-05 4.6.3 262,144 colors This product can display 262,144 colors with 64 gray scales by combination ③. (See "4.6.1 Combinations of input data signals, FRC and MSL signal".) Also the relation between display colors and input data signals is as follows.
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NL12880BC20-05 .7 DISPLAY POSITI he following table is the coordinates per pixel. C (0, 0) ∙ ∙ ∙ ∙ ∙ ∙ C( 0, 0 1, 0) C( X, 0) C(1278, 0) C((1279, 0) ∙ ∙ ∙ ∙ ∙ ∙ C( 0, 1...
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NL12880BC20-05 4.9 INPUT SIGNAL TIMINGS .1 Outline of input signal timings • Horizo ntal signa Horizontal display period (thd) DE (Data e Display period • Vertical signal Note1 Vertical display period (tvd) DE (Data enable) Note2 Display period Note1: This diagram indicates virtual signal for set up to tim ing.
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NL12880BC20-05 4.9.2 Timing characteristics (Note1, Note2, Note3) Parameter Symbol min. typ. max. Unit Remarks Frequency 1/tc 67.0 71.0 75.0 14.085 ns (typ.) Duty Rise time, Fall time Setup time CLK-DATA DATA Hold time Rise time, Fall time μs 17.20 20.28 21.49...
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NL12880BC20-05 4.9.3 Input signal timing chart Horizontal timing DATA (R0-R7) (R0-R5) INVALID INVALID 1279 1280 (G0-G7) or (G0-G5) (B0-B7) (B0-B5) Vertical timing DATA (R0-R7) (R0-R5) INVALID ALID (G0-G7) or (G0-G5) 799 800 (B0-B7) (B0-B5) PRELIMINARY DATA SHEET DOD-PP-0936 (1st edition) Arrow.com.
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NL12880BC20-05 4.10 OPTICS 4.10.1 Optical characteristics (Note1, Note2) Measuring Parameter Condition Symbol min. typ. Unit Remarks instrument White at center Luminance (400) cd/m BM-5A θR= 0°, θL= 0°, θU= 0°, θ = 0° White/Black at cente Contrast ratio (400) (700)
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NL12880BC20-05 4.10.2 Definition of contrast ratio The contrast ratio is calculated by using the following formula. Luminance of white screen Contrast ratio (CR) = Luminance of black screen 4.10.3 Definition of luminance uniformity The luminance uniformity is calculated by using following formula.
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NL12880BC20-05 5. ESTIMATED LUMINANCE LIFETIME The luminance lifetime is the time from initial luminance to half-luminance. This lifet ime is the estima ted value , and is no t guara tee va timat inance ifetime Condition (Life expe ctan Unit Note1, Note2, No °C (Am...
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NL12880BC20-05 6. RELIABILITY TESTS (Note1) Test item Condition Judgement ① +60 ± 2°C, RH= 90%, 240hours High temperature and humidity ② Display data is white. (Operation) ① +70 ± 3°C, 240hours High temperature ② Display data is white. (Operation) ① -20 ± 3°C…1hour ±...
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NL12880BC20-05 7. PRECAUTIONS 7.1 M EANING OF CAUTION SIGNS The following caution signs have very important meaning. Be sur e to read "7.2 CAUTIONS" and "7.3 ATTENTIONS"! This sign has the mean ing that a customer will be injur ed or the product will susta damage if the customer practices wrong operations.
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③ See "REPLACEMENT MANUAL FOR LAMP HOLDER SET", when replacing lamp holder set. ④ Pack the product with the original shipping pack age, in order to avoid any damages during transportation, when returning the product to NEC for re pairing and so on. PRELIMINARY DATA SHEET DOD-PP-0936 (1st edition) Arrow.com.
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NL12880BC20-05 REVISION HISTORY The inside of latest specifications is revised to the clerical error and the major improvement of previous edition. Only a changed part such as functions, characteristic value and so on that may affect a design of customers, ar e described especially below.