User’s Guide NHD-2.4-240320YF-CTXI# TFT (Liquid Crystal Display Graphic Module) 2.4” Diagonal 16-bit digital interface 240x320 Resolution (portrait mode) White LED Backlight Please review the controller spec ILI9320 . Tel: (847) 844-8795 Fax: (847) 844-8796 Newhaven Display International 2511 Technology Drive, #101 Elgin, IL 60124 December 11, 2008 Newhaven Display International NHD-2.4-240320YF-CTXI# RECORDS OF REVISION DATE REVISED NO. Aug-10-2007 1.00 REVISED DESCRIPTIONS PREPARED CHECKED APPROVED FIRST ISSUE Version 1 CONTENTS 1. FEATURES- - - - - - - - - - - - - - - - - -- - - - - - - - - - - -- - - - - - - - - - - - - 1 2. BLOCK DIAGRAM &APPLICATION CIRCUIT - - - - - - - - - - - - - - - - - 1 3. OUTLINE DIMENSIONS- - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - 2 4. INTERFACE PIN CONNECTIONS- - - - - - - - - - - - - - - - - - - - - 4 5. ELECTRICAL CHARACTERISTICS - - - - - - - - - - - - - - - - - - - - - - 6. Electro-Optical Characteristics - - - - - - - - - - - - - - -- - - - - - - - - - - 5 7. QUALITY GUARANTEE & INSPECTION CRITERIA - - - 8 8. RELIABILITY - - - - - - - - - - ------------------------------- - - - - - - - - 11 4 Version 1 1. FEATURES ITEM LCD Type STANDARD VALUE UNIT --- 2.4" QGVA TFT-LCD (Thin Film Transistor Liquid Crystal Display) Viewing Direction 6:00 Backlight Type 4-parallel-White LED Module Outsize 42.72*60.26*3 thickness=3.8 (with TP) mm TP Viewing area 38.72*54.36 mm TP Active area 37.72*53.36 mm LCD Active area 36.72*48.96 mm Dot Number 240(RGB) u 320 Dot size 0.153*0.153 O’clock --- --mm Operation temperature -10 ~70 ć Storage temperature -30 ~80 ć Driver IC ILI9320 Interface mode 8080 System, 16 bit Interface --- Remark: 1. Display supports 65K colors. Also available in 262K colors. Please see ILI9320 specification for details. 2. BLOCK DIAGRAM Version 1 3. OUTLINE DIMENSIONS YD XL YT XR BBBB YD XL YT XR Version 2 4. INTERFACE PIN CONNECTIONS PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 SYMBOL FUNCTION DB0 DB1 Data bus DB2 DB3 GND Ground VCC Power supply /CS Chip select input pin (“Low” enable). RS Display data / Command selection pin /WR Write pin /RD Read pin NC No Connect XL Left electrode YT Top electrode XR Right electrode YB Bottom electrode LED-A Backlight power supply LED-K1 LED-K2 LED-K3 Backlight ground LED-K4 NC NO connect DB4 DB8 DB9 DB10 Data bus DB11 DB12 DB13 DB14 DB15 /RESET Reset pin Power supply VCC VCC GND Ground DB5 Data bus DB6 DB7 Version 2 5. ELECTRICAL CHARACTERISTICS 5.1 ABSOLUTE MAXIMUM RATING Please Refer to the SPEC of ILI9320 Version 1 6. Electro-Optical Characteristics 6.1 Backlight Unit Item Symbol Min Typ. Max Unit Remark V - Input voltage VBL -- 3.2 -- Current IBL --- 18 --- X 0.26 - 0.30 - Y 0.27 - 0.31 - - --- ICE Brightness Luminous Intensity Ratio - --- 3200 ---- mA/chip --20 X>Y cd/m嘒 % - 6.2 LCD panel Version 1 Version 1 Version 1 7. QUALITY GUARANTEE & INSPECTION CRITERIA 7.1 Appearance inspection 7.2 Definition of A zone, B zone and C zone 7.3 Electrical Testing 1. Missing vertical, horizontal segment, segment contrast defect. 2. Missing character, dot or icon. 3. Display malfunction. 4. No function or no display. 5. Current consumption exceeds product specifications. 6. LCD viewing angle defect. 7. Mixed product types. 8. Contrast defect 7.4 Black or white spots on LCD (display only) 1. White and black spots on display ̰0.20mm, no more than three white or black spots present. 2. Densely spaced: No more than two spots or lines within 5mm Version 1 7.5 LCD black spots, white spots, contamination (non-display) 1. Round type: As following drawing ¸=(x+y)/2 X Y SIZE İ0.10 0.10LJİ0.15 0.15LJİ0.20 total Acceptable QTY Accept no dense 2 1 2 2. Line Type: (As following drawing) w L Length --L̰3.0 L̰2.5 --- Width W̰0.02 0.02< W̰0.03 0.03< W̰0.05 0.05< W Acceptable QTY Accept no dense 2 As round type 7.6 Polarizer bubbles If bubbles are visible, judge using black spot specifications, not easy to find, must check in specify direction. Size ¸ Acceptable QTY ¸̰0.20 Accept no dense 0.20< ¸̰0.50 2 Version 1 7.7 Chipped glass Version 1 7.8 Backlight elements 1. Illumination source flickers when lit. 2. Spots or scratches that appear when lit must be judged using LCD spot, lines and contamination standards. 3. Backlight doesn’t light or color is wrong 7.9 Soldering 1. No unmelted solder paste may be present on the PCB. 2. No cold solder joints, missing solder connections, oxidation or icicle. 3. No residue or solder balls on PCB. 4. No short circuits in components on PCB. 7.10 General appearance 1. No oxidation, contamination, curves or, bends on interface pin (OLB) of TCP. 2. No cracks on interface pin (OLB) of TCP 3. NO contamination, solder residue or solder balls on product. 4. The IC on the TCP may not be damaged, circuits. 5. The uppermost edge of the protective strip on the interface pin must be present or look as if it cause the interface pin to sever. 6. The residual rosin or tin oil of soldering (component or chip component) is not burned into brown or black color. 7. Sealant on top of the ITO circuit has not hardened 8. Pin type must match type in specification sheet. 9. LCD pin loose or missing pins. 10. Product packaging must the same as specified on packaging specification sheet. 11. Product dimension and structure must conform to product specification sheet. 12. The appearance of Heat Seal should not admit any dirt and break. 8. RELIABILITY Test Item High temperature storage Low temperature storage High temperature Sample Type Normal temperature Broad temperature Normal temperature Broad temperature Normal temperature Test Condition 70f3ć;240H 80f3ć;240H Test result determinant gist the inspection of Appearance and function character. -20f3ć;240H -30f3ć;240H 50ćf3ć,90%f3%RH;240H Version 1 /humidity storage High temperature operation Low temperature operation High temperature /humidity operation Broad temperature Normal temperature Broad temperature Normal temperature Broad temperature Normal temperature Broad temperature Normal temperature Temperature Shock Broad temperature ESD test ALL Bend test ALL Vibration test ALL 60ćf3ć,90%f3%RH;240H 60f3ć;96H 70f3ć;96H 0f3ć;96H -20f3ć;96H No objection of the function character; no fatal objection of the appearance. 40ćf3ć,90%f3%RH;96H 50ćf3ć,90%f3%RH;96H inspect the objections appearanceǃfunction -20f3ć,30minė70f3ć,30min;10cycle & the whole structure The inspection of appearanceǃfunction fćPLQ & the whole fPLQF\FOH structure .no software error & objection in f Discharge modality: 2KV~f12KV,no Air discharge. Discharge voltage:f2KV/f4 KV/f6Kf8KV/f hardware errors & objection in f 12KV/15KV 15KV. no software errors & Discharge modality: objection in f Contact discharge 2KV~f12KV,no Discharge voltage: hardware errors & f2KV/f4 KV/f6KV/f8KV objection in f8KV. Stimulate the folderÿ Bend velocity: s repeat folding, no 60time/min; objection of display Bendtimes:50000tims function the inspection of frequencyrange:10HZ~55HZ;swing:0.75mm;Z-axist appearanceǃfunction & the whole direction: 60min. structure Version 1 9. PRECAUTIONS FOR USING LCD MODULES Handing Precautions (1) The display panel is made of glass. Do not subject it to a mechanical shock by dropping it or impact. (2) If the display panel is damaged and the liquid crystal substance leaks out, be sure not to get any in your mouth. If the substance contacts your skin or clothes, wash it off using soap and water. (3) Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary. (4) The polarizer covering the display surface of the LCD module is soft and easily scratched. Handle this polarizer carefully. (5) If the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If it is heavily contaminated, moisten cloth with one of the following solvents : - Isopropyl alcohol - Ethyl alcohol (6) Solvents other than those above-mentioned may damage the polarizer. Especially, do not use the following. - Water - Ketone - Aromatic solvents (7) Exercise care to minimize corrosion of the electrode. Corrosion of the electrodes is accelerated by water droplets, moisture condensation or a current flow in a high-humidity environment. (8) Install the LCD Module by using the mounting holes. When mounting the LCD module make sure it is free of twisting, warping and distortion. In particular, do not forcibly pull or bend the IO cable or the backlight cable. (9) Do not attempt to disassemble or process the LCD module. (10) NC terminal should be open. Do not connect anything. (11) If the logic circuit power is off, do not apply the input signals. (12) To prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment. - Be sure to ground the body when handling the LCD modules. - Tools required for assembling, such as soldering irons, must be properly grounded. - To reduce the amount of static electricity generated, do not conduct assembling and other work under dry conditions. - The LCD module is coated with a film to protect the display surface. Exercise care when peeling off this protective film since static electricity may be generated. Storage Precautions Version 1 When storing the LCD modules, avoid exposure to direct sunlight or to the light of fluorescent lamps. Keep the modules in bags (avoid high temperature high humidity and low temperatures below 0 C). Whenever possible, the LCD modules should be stored in the same conditions in which they were shipped from our company. Others Liquid crystals solidify under low temperature (below the storage temperature range) leading to defective orientation or the generation of air bubbles (black or white). Air bubbles may also be generated if the module is subject to a low temperature. If the LCD modules have been operating for a long time showing the same display patterns, the display patterns may remain on the screen as ghost images and a slight contrast irregularity may also appear. A normal operating status can be regained by suspending use for some time. It should be noted that this phenomenon does not adversely affect performance reliability. To minimize the performance degradation of the LCD modules resulting from destruction caused by static electricity etc., exercise care to avoid holding the following sections when handling the modules. - Exposed area of the printed circuit board. - Terminal electrode sections. Version 1