LTE480WV-F01

LTE480WV-F01 SAMSUNG | Alldatasheet

Document overview

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• PDF pages: 31

Technical content

Datasheet sections

• 1.1 Absolute Ratings Of Environment
• 1.2 Electrical Absolute Ratings
• 3.1 TFT-LCD Module
• 3.2 Back-light Unit
• 4.1 Electrical Characteristics
• 4.2 Mechanical & Reliability Characteristics
• 4.3 Design Guide
• 5.1 TFT-LCD Module with Back Light Unit
• 6.1 Input Signal & Power
• 6.2 Input Signal, Basic Display Colors and Gray Scale of Each Colors
• 6.3 Pixel Format
• 7.1 Vertical Timing
• 7.2 Horizontal Timing
• 7.4 AC Characteristic
• 8.1 Power up sequence
• 8.2 Power up sequence
• 12.1 Handling
• 12.2 Storage
• 12.3 Operation
• 12.4 Others

Doc . No LTE480WV-F01 Rev.No 001 Page 28/30 Preliminary Product Information ISSUE DATA : 2006-11-08 MODEL : LTE480WV-F01 Note : The Product and specifications are subject to change without any notice. Please ask for the latest Product Standards to guarantee the satisfaction of your product requirements. PREPARED BY : AM LCD Mobile Display Development Samsung Electronics Co. , LTD.

Doc . No LTE480WV-F01 Rev.No 001 Page 3/30 Preliminary Data Rev. No. Page Summary Sept. 29. 2006 Nov. 07. 2006 000 001 Page 5 Page 8 Page 9 Page 12 Rev.000 is first issued. Rev.001 is issued. -M i s - t y p e dd a t ai nM e c h a n i c a lInformation is corrected. -V i e w i n gD i r e c t i o ni sc o r r e c t e d . -V i e w i n ga n g l ei n' 2 .O p t i c a lc h a r a c t e r i s t i c s 'i sa d d e d . -R e f l e c tR a t i om e a s u r e m e n ts e t u pin' T e s tE q u i p m e n ts e t u po fO p t i c a l Characteristics' is removed. -P o w e rD i s s i p a t i o ni n' 3 . 1T F T - L C DM o d u l e 'i sc o r r e c t e d .

Revision History

Doc . No LTE480WV-F01 Rev.No 001 Page 4/30 Preliminary General Description *D e s c r i p t i o n LTE480WV-F01 is a TMR(Transmissive with Mi cro Reflective) type color active matrix TFT (Thin Film Transistor) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching devices. This model is composed of a TFT-LCD module, a driver circuit and a back-light unit. The resolution of a 4.8" contains 800 x 480(RGB) dots and can display up to 16.7M colors. *F e a t u r e s -T r i p l e - G a t eT e c h n o l o g ya p p l i e d -T r a n s m i s s i v ew i t hM i c r oR e f l e c t i v et y p ea n dB a c k - l i g h tw i t hL E Di sa v a i l a b l e . -T N( T w i s t e dN e m a t i c )m o d e -2 4 b i tR G BI n t e r f a c e -B a c kL i g h tw i t h1 4L E D s( L i g h tE m i t t i n gD i o d e ) *A p p l i c a t i o n s -D i s p l a yt e r m i n a l sf o rP M P ( P o r t a b l eM u l t i m e d i aP l a y e r ),P o r t a b l eC N S ( P - C N S ), AV , UMPC (Ultra Mobile PC) application products.

Doc . No LTE480WV-F01 Rev.No 001 Page 5/30 Preliminary *G e n e r a li n f o r m a t i o n Items Specification Unit Note Display area 103.8(H) x 62.28(V) mm - Driver element a-Si TFT active matrix - - Display colors 16.7M colors - Number of pixels 800(H) x 480 x RGB(V) dot - Pixel arrangement RGB stripe type (Horizontal) - - Pixel pitch 0.13(H) x 0.13(V) mm - Display mode Normally white - - Viewing direction (12) o'clock (Note 1) (Note 1) Gray inversion at the viewing direction * Mechanical information Item Min. Typ. Max. Unit Note Module size Horizontal(H) 111.6 111.8 112.0 mm - Vertical(V) 74.08 74.28 74.48 mm (Note 2) Depth(D) 3.73 3.93 4.13 mm (Note 2) Weight - TBD -g - (Note 2) Not include FPC Please, refer to the Outline Dimension in the "9.Outline Dimension" for further information.

Doc . No LTE480WV-F01 Rev.No 001 Page 6/30 Preliminary 1. Absolute Maximum Ratings

1.1 Absolute Ratings of Environment

Item Symbol Min. Max. Unit Note Storage temperature T STG -30 70 ℃ (1) Operating temperature (Ambient temperature) TOPR -20 60 ℃ (1),(2) Note (1) 95 % RH Max. ( 40 °C t Ta ) Maximum wet-bulb temperature at 39 °C or less. (Ta > 40 °C) No condensation. 40℃ 95％ 60℃ 90％ 70℃ 10％ 30 60-30 OPERATI NG RANGE -20 60℃ 15％ STORAGE RANGE Temperature(℃ ) Rel ati ve Humi di ty(％RH) (2) In case of below 0°, the response time of liquid crystal (LC) becomes slower and the color of panel becomes darker than normal one. Level of retardation depends on temperature, because of LC's characteristics. (3) If any fixed pattern is displayed on LCD for minutes, image-sticking phenomenon may occur. (4) Degradation could occur to pixels' TFT when DC BIOS is input into its gate-signal under POWER OFF WAITING STAND-BY & SLEEP MODE. Therefore, LCD should be turn off then.

Doc . No LTE480WV-F01 Rev.No 001 Page 7/30 Preliminary

1.2 Electrical Absolute Ratings

(1) TFT-LCD Module (Ta = 25°C, V SS=GND=0V) Characteristics Symbol Min. Max. Unit Note Power supply voltage V CC -0.5 5.0 V - (2) Back-Light Unit (Ta = 25 ± 2°C) Item Symbol Min. Max. Unit. Note LED Current I L - 30 mA (1) Note (1) Permanent damage to the device may occur if maximum values are exceeded or reverse voltage is loaded. Functional operation should be restricted to the conditions described under normal operating conditions.

Doc . No LTE480WV-F01 Rev.No 001 Page 8/30 Preliminary 2. Optical Characteristics (TBD) The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state with the methods shown in Note (1). Measuring equipment: SR-3, BM-7, EZ-Contrast (Ta = 25 ± 2°C, V CC =3 . 3 V ,fB= 60Hz, IB = 20mA) Item Symbol Condition Min. Typ. Max. Unit Note Contrast ratio (Center point) C/R NOTE (1) I =0 T =0 Normal Viewing Angle B/L On - 300 - - (2) SR-3 Luminance of white (Center point) YL 220 280 - cd/ ㎡ (3) SR-3 Response time Rising:Tr Tr+Tf - 22.5 - msec (4) BM-7Falling:Tf Color chromaticity (CIE 1931) White Wx - 0.324 - - (5) SR-3 Wy - 0.347 - Red Rx - 0.601 - Ry - 0.367 - Green Gx - 0.351 - Gy - 0.557 - Blue Bx - 0.151 - By - 0.124 - Viewing angle Hor. TL C/Rt B/L On - 65 - Degrees (6) Ez-Contrast TR - 65 - Ver. IH- (60) - IL- (50) -

Doc . No LTE480WV-F01 Rev.No 001 Page 9/30 Preliminary Note (1) Test Equipment Setup After stabilizing and leaving the panel alone at a given temperature for 30 min , the measurement should be executed. Measurement should be executed in a stable, windless, and dark room. 30 min after lighting the back-light. This should be measured in the center of screen. Environment condition : Ta = 25 ± 2 °C Back-Light On condition Back-Light Off condition SR-3 : 50cm BM-7 : 50cm Photodetector Field SR-3 1° BM-7 1°

Doc . No LTE480WV-F01 Rev.No 001 Page 10/30 Preliminary Note (2) Definition of Contrast Ratio (C/R) : Ratio of gray max (Gmax) & gray min (Gmin) at the center point CR G G max min *G m a x:L u m i n a n c ew i t ha l lp i x e l sw h i t e *G m i n:L u m i n a n c ew i t ha l lp i x e l sb l a c k Note (3) Definition of Luminance of White : Luminance of white at the center point Note (4) Definition of Response time : Sum of Tr ,Tf Display data Black(TFT ON)White(TFT OFF) White(TFT OFF) Optical Response 100% 90% 10% TR TF Time Note (5) Definition of Color Chromaticity (CIE 1931) Color coordinate of white & red, green, blue at center point.

Doc . No LTE480WV-F01 Rev.No 001 Page 11/30 Preliminary Note (6) Definition of Viewing Angle : Viewing angle range (CR≥10 ) 6 o’clock direction Normal Line T L T R I H I L 12 o’clock direction TR =90o T L =90o I = 0o, x x'y' y T = 0o I H = 90o I L= 90o

Doc . No LTE480WV-F01 Rev.No 001 Page 12/30 Preliminary 3. Electrical Characteristics

3.1 TFT-LCD Module

Ta = 25 ± 2°C Characteristics Symbol Min. Typ. Max. Unit Note Power supply voltage V CC 3.0 3.3 - V - Power Dissipation White PFULL -2 5 0 - mW (1),(2)Black 260 1D O T - 3 4 0 - Frame frequency f Frame -6 0 - H z - Dot Clock DOTCLK - 24.5 - MHz - *T op r e v e n tal a t c h - u po rD Co p e r a t i o no ft h eL C Dm o d u l e ,t h ep o w e ro n / o f fs e q u e n c es h o u l db ea s the Chapter 8. Power Up/Down Sequence. Note (1) VCC = 3.3V, fFrame =6 0 H z ,D O T C L K=2 4 . 5 M H z (2) Dissipation current check pattern ▶ White pattern ▶ 1D o tp a t t e r n ▶ Black pattern

Doc . No LTE480WV-F01 Rev.No 001 Page 13/30 Preliminary

3.2 Back-Light unit

The Back Light system is an edge-lighting type with 14 white LED (Light Emitting Diode)s. (Ta=25 ± 2°C ) Item Symbol Min. Typ. Max. Unit Note LEDs Current I B 15 20 25 mA (1) Power Consumption P BL 0.7 0.9 1.2 W - Note (1) The LEDs parallel type (Refer to 5.2)

Doc . No LTE480WV-F01 Rev.No 001 Page 14/30 Preliminary 4. Touch Screen Panel Specifications (TBD) 4-1. Electrical Characteristics Ite m Mi n . Typ. Ma x .Uni t Not e Li neari ty -1.5 - 1.5 % Anal og Xand Ydi recti ons Termi nal resistance 360 - 1240 Ω X 160 - 640 Ω Y In su la tio n resistance 20 - - MΩ DC 25V Vol t age 3 5 7 V DC Chat t er i ng - - TBD ms - Transparency - 80 - % JI S-K7105,ASTMD1003,@ 550nm Caution (1) : Do not operate it with a thing except a polyacetal pen(tip R0.8mm or more) or a finger, especially those with hard or sharp tips such as a ball point pen or a mechanical pencil. 4-2. Mechanical & Reliability Characteristics Ite m Mi n . Typ. Ma x . Uni t Not e Acti vati on force - 50 g (1) Dur abi l i t y (surface scratchi ng) Wr i t e 100, 000 - - characters (2) Dur abi l i t y (surface pi tti ng) 1,000,000 - - touches (3) Surface hardness 3 - - H JI S K5400, ASTMD3363 Note (1) Stylus pen Input : R0.8mm polyacetal pen or Finger (2) Measurement for Surface area - Scratch 100,000 times straight line on the Film with a stylus change every 20,000times -F o r c e:2 5 0 g f -S p e e d:6 0 m m / s e c -S t y l u s:R 0 . 8p o l y a c e t a lt i p (3) Pit 1,000,000 times on the Film with a R8.0 silicon rubber. -F o r c e:2 5 0 g f -S p e e d:2 t i m e s / s e c

Doc . No LTE480WV-F01 Rev.No 001 Page 15/30 Preliminary 4-3. Desi gn Gui de - Avoi d the desi gn that Front-case overl ap and press on the acti ve area of the touch-panel . - Gi ve enough gap (over 0.5m mat com pressed) betw een the front case and touch-panel to protect w rong operati ng. - Use a buffer m ateri al (Gasket) betw een the touch-panel and Front-case to protect dam age and wrong operati ng. -A v o idt h ed e s ig nt h a tb u f f e rm a t e r ia l o v e r la pa n dp r e s so nt h ein s id eo f touch-panel vi ew i ng area.

Doc . No LTE480WV-F01 Rev.No 001 Page 16/30 Preliminary 5. Block Diagram

5.1 TFT-LCD Module (Interface System Structure) with Back Light Unit

DATA(24bit) DCLK VSYNC HSYNC DE PCI LED 1+ LED 2+ LED 1- LED 2- 2P a r a l l e lS t r i n g so f7S e r i a lL E D s

Doc . No LTE480WV-F01 Rev.No 001 Page 17/30 Preliminary

5.2 Back Light Unit

5.3 Touch Panel Unit

X : Upper el ect r ode Y : Lower el ect r ode Top Vi ew Y2 X2 Y1 X1 X : Upper el ect r ode Y : Lower el ect r ode Top Vi ew Note) Please refer to '6.1 Input Signal & Power' for the LED pin assignment. Note) Please refer to '6.1 Input Signal & Power'f o rt h eT S Pp i na s s i g n m e n t .

Doc . No LTE480WV-F01 Rev.No 001 Page 18/30 Preliminary 6. Input Terminal Pin Assignment 6.1 Input Signal & Power (Connector : 45Pin FPC Connector type, 0.5mm pitch, ex.) Connector : Molex 51296-4593 or compatible Connector used. ) Pin No Symbol Description I/O Pin No Symbol Description I/O

1 GND GND I 24 PD3 Graphic Data 3 (B3) I

2 GND GND I 25 PD4 Graphic Data 4 (B4) I

3 Vcc System Power Supply I 26 PD5 Graphic Data 5 (B5) I

4 Vcc System Power Supply I 27 PD6 Graphic Data 6 (B6) I

5 PD16 Graphic Data 16 (R0) I 28 PD7 Graphic Data 7 (B7) I

6 PD17 Graphic Data 17 (R1) I 29 GND GND I

7 PD18 Graphic Data 18 (R2) I 30 DOTCLK DOT CLOCK I

8 PD19 Graphic Data 19 (R3) I 31 PCI Display Mode *Note I

9 PD20 Graphic Data 20 (R4) I 32 HSYNC HSYNC I

10 PD21 Graphic Data 21 (R5) I 33 VSYNC VSYNC I

11 PD22 Graphic Data 22 (R6) I 34 DE Data Enabling Signal I

12 PD23 Graphic Data 23 (R7) I 35 GND GND I

13 PD8 Graphic Data 8 (G0) I 36 GND GND I

14 PD9 Graphic Data 9 (G1) I 37 Y2 TSP Top I

15 PD10 Graphic Data 10 (G2) I 38 X2 TSP Left I

16 PD11 Graphic Data 11 (G3) I 39 Y1 TSP Bottom I

17 PD12 Graphic Data 12 (G4) I 40 X1 TSP Right I

18 PD13 Graphic Data 13 (G5) I 41 GND GND I

19 PD14 Graphic Data 14 (G6) I 42 LED1- VLED Cathode1 I

20 PD15 Graphic Data 15 (G7) I 43 LED1+ VLED Anode1 I

21 PD0 Graphic Data 0 (B0) I 44 LED2- VLED Cathode2 I

22 PD1 Graphic Data 1 (B1) I 45 LED2+ VLED Anode2 I

23 PD2 Graphic Data 2 (B2) I

*N o t e:R e g a r d i n gt ot h eP C I ,P l e a s er e fer to the Power up/down sequence

Doc . No LTE480WV-F01 Rev.No 001 Page 19/30 Preliminary

6.2 Input Signal, Basic Display Colors and Gray Scale of Each Colors

R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7 BASIC COLOR BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 - GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 - CYAN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - MAGENTA 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 - YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 - WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - GRAY SCALE OF RED BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0 DARK LIGHT

100000000000000000000000 R 1

010000000000000000000000 R 2

R3~R252

101111110000000000000000 R 2 5 3

011111110000000000000000 R 2 5 4

RED 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R255 GRAY SCALE OF GREEN BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0 DARK LIGHT

000000001000000000000000 G 1

000000000100000000000000 G 2

G3~G252

000000001011111100000000 G 2 5 3

000000000111111100000000 G 2 5 4

GREEN 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 G255 GRAY SCALE OF BLUE BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0 DARK LIGHT

000000000000000010000000 B 1

000000000000000001000000 B 2

B3~B252

000000000000000010111111 B 2 5 3

000000000000000001111111 B 2 5 4

BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 B255 Note) Definition of Gray : Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level) Input Signal : 0 = Low level voltage, 1 = High level voltage

Doc . No LTE480WV-F01 Rev.No 001 Page 20/30 Preliminary

6.3 Pixel Format

B G R B G R B G R B G R LTE480WV-F01 Line 1 Line 800 Pixel 1 Pixel 480

Doc . No LTE480WV-F01 Rev.No 001 Page 21/30 Preliminary 7. INTERFACE TIMING 7-1. Vertical timing Signal Symbol Min. Typ. Max. Unit Note Frame Frequency fFRM - 60 - Hz Vertical Back porch VBP - 8 - H *Note Vertical Front porch VFP - 5 - H *Note 7-2. Horizontal timing Signal Symbol Min. Typ. Max. Unit Note Horizontal Back porch HBP - 16 - DOTCLK *Note Horizontal Front porch HFP - 8 - DOTCLK *Note DOTCLK Frequence fDOTCLK -2 4 . 5 - M H z @ f F R M = 6 0 H z *Note).V B P ,V F P ,H B P ,H F Pa r ef i x e d ,s e tt h o s et i m i n gd a t aa st h ea b o v ed a t a .

Doc . No LTE480WV-F01 Rev.No 001 Page 22/30 Preliminary 7.3 24bit RGB Interface Timing Note : Display Area : 480H 1F r a m e=V B P + D i s p l a yA r e a + V F P

Doc . No LTE480WV-F01 Rev.No 001 Page 23/30 Preliminary

7.4 AC Characteristic

(Ta=-40 to +85 °C, 24bit interface) Parameter Symbol Min. Typ. Max. Unit VSYNC setup time tVSS 5- - ns VSYNC hold time tVSH 5- - HSYNC setup time tHSS 5- - HSYNC hold time tHSH 5- - DOTCLK cycle time tDCYC 28 - - DOTCLK rise/fall time tR,tF -2 DOTCLK Pulse width high tDCHW 8- - DOTCLK Pulse width low tDCLW 8- - DE setup time tENS 5- - DE hold time tENH 5- - PD data setup time tPDS 5- - PD data hold time tPDH 5- -

Doc . No LTE480WV-F01 Rev.No 001 Page 24/30 Preliminary 8. Power Up/Down sequence 8.1 Power up sequence. Power up AC characteristics

Doc . No LTE480WV-F01 Rev.No 001 Page 25/30 Preliminary 8.2 Power down sequence.

Doc . No LTE480WV-F01 Rev.No 001 Page 26/30 Preliminary 9. Outline Dimension (TBD) -S e et h en e x tp a g e-

Doc . No LTE480WV-F01 Rev.No 001 Page 27/30 Preliminary 10. Packing (TBD) Label 2 tray +1 cover

8 Panel s perPacki ng case

Pad (upper & lower) * 2 pads per packing case Packi ng-case (sm al l box) Label -safety Seal i ng tape Packi ng-box (m i ddl e box) *C o n ta in s 5 ③ Label-safety Label-paper Packi ng-box = 5 smal l box * 8 panel = 40 panel s *Panel * 4 Panels per tray Note (1) Total : Case: Approx. TBD Kg Box: Approx. TBD Kg (2) Size : Case: 490(W) x 342(D) x 58(H) Box: 505(W) x 355(D) x 312(H) (3) Place the panels in the tray facing the direction shown in the figure. (4) Place 2 tray and cover(empty tray) and pads inside the packing-case. (5) Place 5 packing-case inside the packing-box.(Affix the label) (6) Seal the packing-box. Affix the label-safety.

Doc . No LTE480WV-F01 Rev.No 001 Page 28/30 Preliminary 11. Marking & Others An a m e p la teb e a rin gfo llo w e db yisa ffixe dtoaship p e dp ro du ct a t the Speci fi ed l ocati on on each product. (1) Module attach (2) Packing Case attach

Doc . No LTE480WV-F01 Rev.No 001 Page 29/30 Preliminary 12. General Precautions

12.1 Handling

(a) When the module is assembled, it should be attached to the system firmly. Be careful not to twist and bend the module. (b) Refrain from strong mechanical shock and / or any force to the module. In addition to damage, this may cause improper operation or damage to the module and back-light unit. (c) Note that polarizers are very fragile and could be easily damaged. Do not press or scratch the surface harder than a HB pencil lead. (d) Wipe off water droplets or oil immediately. If you leave the droplets for a long time, Staining and discoloration may occur. (e) If the surface of the polarizer is dirty, clean it using some absorbent cotton or soft cloth. (f) The desirable cleaners are water, IPA(Isopropyl Alcohol) or Hexane. Do not use Ketone type materials(ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid or Methyl chloride. It might permanent damage to the polarizer due to chemical reaction. (g) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. In case of contact with hands, legs or clothes, it must be washed away thoroughly with soap. (h) Protect the module from static , it may cause damage to the Integrated Gate Circuit. (i) Use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (j) Do not disassemble the module. (k) Protection film for polarizer on the module shall be slowly peeled off just before use so that the electrostatic charge can be minimized. (l) Pins of I/F connector shall not be touched directly with bare hands

Doc . No LTE480WV-F01 Rev.No 001 Page 30/30 Preliminary

12.2 Storage

(a) Do not leave the panel in high temperature, and high humidity for a long time. It is highly recommended to store the module with temperature from 0 to 35°C and relative humidity of less than 70%. (b) Do not store the TFT-LCD module in direct sunlight. (c) The module shall be stored in a dark place. It is prohibited to apply sunlight or fluorescent light during the store.

12.3 Operation

(a) Do not connect, disconnect the module in the "Power On" condition. (b) Power supply should always be turned on/off by the "Power on/off sequence"

12.4 Others

(a) The Liquid crystal is deteriorated by ultraviolet, do not leave it in direct sunlight and strong ultraviolet ray for many hours. (b) Avoid condensation of water. It may result in improper operation or disconnection of electrode. (c) Do not exceed the absolute maximum rating value. ( the supply voltage variation, input voltage variation, variation in part contents and environmental temperature, and so on) Otherwise the panel may be damaged. (d) If the panel displays the same pattern continuously for a long period of time, it can be the situation when the image "Sticks" to the screen. (e) This panel has its circuitry FPC on the bottom side and should be handled carefully in order not to be stressed.