EL640.480-AA1 640 (x2) x 480 Pixel RGY
Contents
1. alii 10 HAN a la adi D 10 a 10 Cable ao ta ca cd 11 Avoiding B rn Rural 11 Timing Ehal cte isti Es seinnaa at 12 SELUP AMC Holdi TIMINg 5 ced store eee 15 Operational S Pecitication ga a di ata 16 Environmental 16 aa ILA NIGEL aa 0 la dau ta ae se 16 ae 16 EMG os RA 16 Optical as 17 Optional Filter iscate t 0 4 0 0 p AERE RE 0 17 Mechanical Characteristics c c cscscsscssssssscsscssssscscsccssessssssecssssessssssesessssessssssesessssesecsssessssssecessesesesscsucessessssssees 18 Description of Warfare 20 Easy to USE nnna a a a 20 ca 05 ni siii le ii 20 Support and Servite aaa tota a nni 21 Ordering Information cata eci 21 Figures Figure EL TechNet ca i aa ai n le aaa 3 Figure 2 Connector ceata aa gag a a c 4 Figure 3 VGA Mode 640 x 400 720 x 400 and 640 x 480 subsets scrsrcrrrsecereeese 12 figure aaa ap e 13 figure 52 TED LCDs MiGGe TITI E egal ie 14 Figure 6 Normal and VGA Mode wi asa aa 15 Figure 7 TFET Medea dada 8 da 15 Figure 8 Viewing Area Characteristics aiar 19 Figure 9 Front and Side VIa 19 Tables Table 1 Signal and Power INpuUtsS2. oaia a a 0 5 Table 2 Power and Control Inputs cecesssssssssecsssssssesssccssecssccsscessecsnecsnecssscsssccssccescesscessecsnecsseceneeesscssseesees 5 Table 3 CONNECTONS cae scai pere ta au aia RAA inte ua aa ai du taia as ad 6 Table 4 Input Specifications ccssssssssssssssssssssssscesssesssccssecssscesssensscsscesscessscsssccssessssseassensscsnscsneessscesscesssesess 7 Table 5 Colour Ma ppingzis stare ase ad aa ca dai dna a i tac at casas 8 Table 6 Supported VGA 10 Table 7 VGA Mode 640 x 400 720 x 400 and 640 x 480 56 5 12 Table 8 Norrmal Mode sssceei e aaa acas 13 Table 9 TET LCD Mode Tim iti han cete tea e da d nai aa aid pda ceda ea 14 Table 10 Environmental Characteristics c scsssssscsssssssecssssssecsssssssscssecsnecssscssscesscsssccssssessensecsnsescesseeses 16 Table 11 Optical Character 17 Table 12 Display External DIMmenslo ns aaa dl 18 Table 13 Display Viewing Area Character istics ssssscssssccsesscsssecsscsesnesssssecsessssteesssccesnsesssesssnessestes 18 EL640 480 AA 1 Operations Manual 020 0357 00A 3 Product Profile The EL640 480 AA1 display is a VGA compatible high resolution electroluminescent TFEL display It deli
3. 0 640 x 480 No R8 T8 12 graphics 80x30 8x16 60 640 x 480 No R8 T8 NOTES In modes 2 3 7 the box width is narrowed to 8 pixels by omitting every 9th pixel In modes 2 3 6 E rows are automatically double scanned by a VGA controller Installation and Handling Mounting Handling Cleaning Mounting of the EL640 480 AA1 should be done using the four corner mounting ears Before handling the display necessary precaution must be taken to prevent the application of static charges to the display from the operator or tools The display is made of glass material and should be handled with proper care Do not drop bend or flex the display or allow hard objects to strike its surface The TAB leads between the electronics and the glass of the display are very sensitive to handling Do not remove the bezel A protective sheet with optional antiglare coating is highly recommended for use over the display Clean the display glass with mild water based detergents only Apply the cleaner sparingly to a soft cloth then wipe the display EL640 480 AA1 Operations Manual 020 0357 00A 77 Cable Length For trouble free data transfer from the video source to the display input connector a maximum cable length of 600 mm 24 in is recommended When driving the display from a VGA Feature Connector proper signal buffering should be ensured In order to lower signal reflections suitable series resistors which approximately match the cab
4. 000 10000 Ix bright 10000 100000 Ix sunlight Optional Filter Due to the unique display structure no circular polarizing CP filter is required in most applications However a protective sheet with anti reflective coating is recommended to avoid reflections from the display surface Warning The product generates potentially dangerous voltages capable of causing personal injury high voltage pulses up to 230 Vac Do not touch the display electronics during operation EL640480 AA1 Operations Manual 020 0357 00A 18 Mechanical Characteristics Figs 9 shows the mechanical dimensions of a 640 480 display unit Table 12 Display External Dimensions Height 205 mm 8 1 in Width 263 mm 10 4 in Depth 20 mm 0 79 in Weight 800g 28 2 oz CAUTION The ambient temperature of the display should not be allowed to exceed the environmental specifications see table 10 In most applications an air gap of min 5 mm is recommended Some applications may require however a larger air gap for cooling of the display unit in the system Note that this may slightly increase the total depth of the design Table 13 Display Viewing Area Characteristics Active Area millimeters inches height 158 3 6 232 width 211 1 8 311 Pixel Pitch millimeters inches height 0 33 0 013 width 0 33 0 013 Subpixel Size millimeters inches Red height 0 27 0 011 width 0 08 0 003 Green height 0 27 0 011 wid
5. 2 PLANAR EL640 480 AA1 640 x2 x 480 Pixel RGY Multicolour Display USER S MANUAL www planar com Revision Control Date Description November 1997 Document number PI02247 Ver 8 June 2004 Document number 020 0357 00A Contents Product i e aa ii caz 3 ail 3 Electrical Characteristics mesei acetat IA pala aaa e rn 4 ConnectorlayOuutiiisse iaca ea arata aaa ata ad it pisi ia a 4 Sig land POE li PUES asilo 5 Powerand control la a aa dc 5 CONNECTOIS sie sai dadea sal aan n aaa a a di a 6 Connector Description cea cica ea ia inna o ad 6 Additional Grounding for LOW EMI sia i it i lat 6 Control Basics iza i at oo I ao cui i C d at iia 6 Input Specifications sc rii aaa cea ata ia aaa a aia la 7 Display FAULTS adi tts iata ia a tea da 7 Video Data aaa aaa ue a 7 8 coboar CEI ca a ue 8 dat acad oaia ada 8 Luiminance Contre initia na a 8 Display Operation MOdeS sssssecssecsesssssscssscsecsnessseccscssscsesesssssssscessecsnecsnscssscesscsssccssccenseesueceuceeseesnecsneesseeees 9 Supported VGA MOG a aaa aa 10 Installation and Handling a 10
6. 80 subsets Table 7 VGA Mode 640 x 400 720 x 400 and 640 x 480 subsets Description 640x400 720x400 640x480 Unit T1 Vertical Border 1 8 tHS T2 Vertical Front Porch 1 3 tHS T3 VS Pulse Width 1 2 tHS T4 Vertical Back Porch 1 24 tHS T5 Vertical Border 2 8 tHS VS frequency 60 Hz T6 Horizontal border 1 8 9 8 tVCLK T7 Horizontal front porch 1 8 11 tVCLK T8 HS pulse width lt 103 tVCLK T9 Horizontal back porch 40 tVCLK T10 Horizontal border 2 8s 9 8 tVCLK VCLK pulses per HS 800 tVCLK HS pulses per VS 449 449 525 tHS HS period tHS 31 8 31 8 31 8 us Notes 1 Ignored by display controller Values by typical system timing 2 These parameters are critical for correct image centering EL640 480 AA 1 Operations Manual 020 0357 00A 13 VS Either pulse VS polarity acceptable Frame n 1 HS 4 Row DO D3 HS T3 VID ee A Rown pixel 1 4 Row n pixel 640 Figure 4 Normal Mode Table 8 Normal Mode Row n 1 pixel 1 Description Min Max Unit T1 HS low time 3 4 tVCLK T2 HS high time 1 2 640 tVCLK T3 HS period 1 tHS 31 us T4 VS hold from HS 0 ns T5 VS setup to HS 0 ns T6 VS high low width 1 tVCLK T7 VS period tVS 481 tHS Frame Rate 65 Hz Notes 1 HS high time must be an even multiple of 2 tVCLK 2 The first 640 pixels after the rise of HS will be displayed 3 VCLK must continue running when HS is low EL640480
7. AA1 Operations Manual 020 0357 00A 14 VS Either pulse VS polarity acceptable _Blank DO D3 Blank a T3 DO D3__X X YZ 4 Row n pixel 1 4 Row n pixel 640 Row n 1 pixel 1 4 Figure 5 TFT LCD Mode Timing Table 9 TFT LCD Mode Timing Description Min Max Unit T1 Blank low time 3 4 tVCLK T2 Blank high time 1 2 640 tVCLK T3 Blank period 1 tBlank 31 us T4 VS hold from Blank 0 ns T5 VS setup to Blank 2 ns T6 VS high low width 1 tVCLK T7 VS period tVS 481 tBlank Frame Rate 80 Hz Notes 1 Blank high time must be an even multiple of 2 tVCLK 2 The first 640 pixels after the rise of HS will be displayed 3 VCLK must continue running when Blank is low Caution The EL640 480 AA1 display includes an internal frame buffer The display image is not automatically cleared in the absence of input video signals The ENABLE control input signal can be used to blank the display in the event of system malfunction EL640 480 AA1 Operations Manual 020 0357 00A Setup and Hold Timing HS H BLANK VS Figure 6 Normal and VGA Mode Minimum values in ns _Blank VS Figure 7 TFT Mode Minimum values in ns EL640 480 AA1 Operations Manual 020 0357 00A 16 Operational Specifications Environmental Reliability Safety EMC Table 10 Environmental Characteristics Temperature Operating 25 65 C Storage 40 85 C Humidity Rela
8. D3 contain the serial video data to be displayed on the screen Pixel information is supplied from left to right and from top to bottom For each pixel DO D3 select one of the three intensity levels for each of the two subpixels to form the appropriate pixel colour Note that Vcc1 supply voltage should be present whenever data input signals are applied EL640480 AA1 Operations Manual 020 0357 00A Colour Mapping Colour mapping is as follows mode Table 5 Colour Mapping D3 D2 D1 DO VGA Colour Colour 0 0 0 0 Black Black 0 0 0 1 Blue Black 0 0 1 0 Green Green 0 0 1 1 Cyan Green 0 1 0 0 Red Red 0 1 0 1 Magenta Red 0 1 1 0 Brown Yellow 0 1 1 1 White Lt Yellow 1 0 0 0 Grey Yellow 1 0 0 1 Lt blue Yellow 1 0 1 0 Lt Green Lt Green 1 0 1 1 Lt Cyan Green Yellow 1 1 0 0 Lt Red Lt Red 1 1 0 1 Lt Magenta Orange 1 1 1 0 Yellow Lt Yellow 1 1 1 1 White High Int Lt Yellow Display Enable Self Test The display scanning can be shut off for screen save or minimal power operation by a LOW state on the ENABLE control input When disabled the display is totally dark and only the display internal logic remains operating In normal operation the ENABLE input should be pulled HIGH or left disconnected The operation of the display can be easily checked without any external signals by utilizing the self scan nature of the display By applyin
9. ee details on setup and hold timing on page 15 and Normal Mode timing on page 13 VGA mode This input timing mode is compatible with feature connector signals from a VGA video board The display supports VGA modes 2 3 6 E 2 3 7 11 and 12 VGA mode operation is similar to Normal mode except that _BLANK is used to frame valid video data The border timing included in _BLANK is taken into account in the interpretation of this signal Similarly the border timing included in VS is taken into account in the placement of the top displayed row _BLANK must be LOW during the rise of VS for VGA mode to be selected See details on setup and hold timing on page 15 and VGA Mode timing on page 12 TFT LCD Mode This input timing mode is similar to 640x480 pixel VGA mode except that _BLANK signal frames only the active pixels in each row Selection of TFT mode is done with the VMODE input signal on J1 pin 29 See details on setup and hold timing on page 15 and TFT LCD mode timing on page 14 EL640480 AA1 Operations Manual 020 0357 00A 70 Supported VGA Modes Table 6 Supported VGA Modes VGA Type Text Char box Vsync Pixels Double Border size Mode format Freq software Scan H Hz 2 3 text 80 x 25 8x8 70 640 x 200 Yes R 8 7 2 3 text 80 x 25 9x16 70 720 x 400 No R9 7 6 graphics 80x25 9x16 70 720 x 200 Yes R 8 7 7 text 80 x 25 9x16 70 720 x 400 No R 9 7 E graphics 80x25 8x8 70 640 x 200 Yes R 8 7 11 graphics 80x30 8x16 6
10. ete information EL640 480 AA1 Operations Manual 020 0357 00A 27 Ordering Information Product Description EL640 480 AA1 996 5088 00 EL640 480 multi colour VGA display Design and specifications are subject to change without notice Support and Service Planar is a U S company based in Beaverton Oregon and Espoo Finland with a world wide sales distribution network Full application engineering support and service are available to make the integration of Planar displays as simple and quick as possible for our customers RMA Procedure Applying for a Returned Material Authorization number please contact Planar Systems Inc with the model number s and original purchase order number s When returning goods for repair please include a brief description of the problem and be sure to mark the outside of the shipping container with the RMA number EL640480 AA1 Operations Manual 020 0357 00A 22 Planar Systems Inc Customer Service 24x7 Online Technical Support http www planar com support Americas Support 1195 NW Compton Drive Beaverton OR 97006 1992 Tel 1 866 PLANAR1 866 752 6271 Hours M F 5am 5pm Pacific Time Europe and Asia Pacific Support Olarinluoma 9 P O Box 46 FIN 02201 Espoo Finland Tel 358 9 420 01 Hours M F 7 00am 4pm CET 2004 Planar Systems Inc 06 04 Planar is a registered trademark of Planar Systems Inc ICE ICEBrite and ICEPlus are trademarks of Planar Systems Inc Ot
11. g power to the display without any other input the display starts scanning displaying the undefined data that is present in the frame buffer memory Luminance Control The brightness of the display can be controlled with an external user supplied 50 kQ logarithmic potentiometer or a DC voltage ranging from 0 to 5 V connected to control input J3 Minimum luminance is obtained with a short circuit or 0 V between the pins Open circuit voltage is 5 V nominal short circuit current is 0 3 mA max EL640 480 AA 1 Operations Manual 020 0357 00A 9 Display Operation Modes The EL640 480 AA1 features three video interface modes The first is Normal mode which is similar to that used by most other Planar display products The second mode supports 640x400 720x400 and 640 x 480 subsets of the VGA video interface standard Mode selection is automatically performed by the display using _BLANK HS and VS The third mode is compatible with the interface timings used in most TFT LCD displays Normal mode This mode is pin and timing compatible with the Normal mode of the EL640 480 A series displays In this mode only seven input signals are needed video data DO D3 video clock VCLK horizontal sync HS and vertical sync VS _BLANK is not used and should be pulled HIGH or left disconnected In Normal mode the first 640 pixels after the rise of HS are displayed The top most row displayed is the HS high time which is marked by the rise of VS S
12. her brands and names are the property of their respective owners Technical information in this document is subject to change without notice 020 0357 00A
13. inated on top of the display The light is emitted in a luminescent layer sandwiched between two transparent EL640480 AA1 Operations Manual 020 0357 00A 4 dielectric layers and a matrix of row and column electrodes The display glass and the electronic circuit assembly board ECA is mounted to a metal support by elastic spacers The row electrodes are connected to the ECA with soldered lead frames Column electrodes are connected via column driver TAB tapes The result is a display with excellent visual characteristics in a compact reliable and rugged structure In the EL640 480 AA1 the 640 x 2 column and 480 row electrodes are arranged in a X Y formation with the intersecting areas performing as pixels Voltages applied to both the correct row and column electrodes to cause a lit sub pixel Operating voltages required are provided by the integrated DC DC converter Electrical Characteristics Connector Layout TOP J1 Video input 2 34 Grounding lug J2 Power input J3 Luminance control input 11 N 42 8 i mi 8 fim 55 REAR VIEW Fig 2 Input Connectors and Their Location EL640 480 AA 1 Operations Manual 020 0357 00A 5 Signal and Power Inputs Table 1 J1 Video Interface Connector Pin No Signal Symbol Description 1 3 5 15 17 19 21 Ground GND Signal return 2 Video data LSB DO Video Data 4 Video data D1 Video Data 6 Video data D2 Video Data 8 Video data D3 Vide
14. l return EL640 480 AA 1 Operations Manual 020 0357 00A 6 Connectors Table 3 Connectors J1 34 pin header ODU 511 066 003 034 or eq Mating ODU 517 065 003 034 or eq Locking clip ODU 511 065 734 700 J2 4 pin header Hirose DF1 4P 2 5 DS or eq Mating Hirose DF1 4S 2 5 R 24 Protector Hirose DF1 4A 1 33 J3 2 pin header Hirose DF1 2P 2 5 DS or eq Mating Hirose DF1 2S 2 5 R 24 Protector Hirose DF1 2A 1 33 Connector Description User video signals are brought onto the display via connector J1 The pin layout of J1 is compatible with Planar EL640 480 A series and EL7768MS display Additionally the pin layout of the first 26 pins is also compatible with the feature connector on a VGA display controller The 5 Vdc and 12 power input to the display is via connector J2 For easy interfacing with VGA display controllers the data and control input signals on J1 are VGA timing compatible The display automatically determines the mode of operation Additional Grounding for Low EMI For best EMI attenuation performance the metal assembly support should be tied to system ground via the four corner mounting ears or the grounding lug near the data input connector J1 The grounding lug can also be used for grounding the shield of the video signal cable Control Basics The EL glass panel is a matrix structure with column and row electrodes arranged in X Y formation Light is emitted when an AC voltage of sufficient a
15. le impedance may be placed at the source end of the video signals The display input thresholds are 74AC CMOS VMODE and ENABLE inputs have 1 pull up resistors All video lines have 100 Q series resistors Avoiding Burn in As with any other light emitting display luminance variation may be noticed if fixed patterns are displayed on the screen for extended periods It is prudent to use a screen saver or image inversion to avoid burn in Electrostatic Caution The Planar display uses CMOS and power MOSFET devices These components are electrostatic sensitive Unpack assemble and examine this assembly in a static controlled area only When shipping use packing materials designed for protection of electrostatic sensitive components Handling Caution The TAB leads between the electronics and the glass of the display are very sensitive to handling The bezel of the display should not be removed and when cleaning the edges of the display glass special care should be taken not to touch the unprotected leads EL640480 AA1 Operations Manual 020 0357 00A 72 Timing Characteristics VS 480 vs 400 _ A AO e 400 480 TI T2 T3 T4 T5 ps ITU TIC Tr BLANK UU Us oi DO D3 amp 88 RSs BRE BS mode determination ona neo BLANK 09 eo ean a Bai GEREI Last pixel 640 720 First pixel Figure 3 VGA Mode 640 x 400 720 x 400 and 640 x 4
16. mplitude is applied at a row column intersection The display operation is based on asymmetric line at a time addressing scheme User signals VCLK HS or _BLANK and VS control loading of pixel data into the display s internal frame buffer Output of the pixel data from the frame buffer as well as the generation of the display scanning signals are controlled by internal logic Input thresholds to the display are 7AAC CMOS compatible EL640 480 AA 1 Operations Manual 020 0357 00A 7 Input Specifications Table 4 Input Specifications Parameter Symbol Min Typ Max Absolute max rating Logic input voltage 0 Vcc Vec1 0 5V Logic input HIGH 3 9V Logic input LOW 09 Logic supply voltage Vcc1 475V 50V 5 25V 4 7 5V Logic supply current at 5V Icc1 025A 35 Display Supply voltage Vcc2 10 8V 12V 132 15V Supply current at 12V Icc2 0 75A 2 25A Power consumption 10W 26 W 5V 12V Operating conditions Ambient temperature 25 C Note Absolute maximum ratings are those values beyond which damage to the device may occur The minimum and maximum specifications in this Operations Manual should be met without exception to ensure the long term reliability of the display Planar does not recommend operation of the display outside these specifications Display Features The EL640 480 AA1 has an internal frame buffer The display scan and display brightness is independent of user timing Video Data Input signals DO
17. o Data MSB 18 Video Clock VCLK Synchronizing signal for data lines HS VS and _BLANK See setup and hold timings for the various modes on page 15 20 Blanking _ BLANK Frames data in VGA and TFT modes For Normal mode should be high or left disconnected 22 Horizontal Sync HS Frames data in Normal mode 24 Vertical Sync VS Controls the vertical position of the picture 28 Enable ENABLE Display operation is enabled when high or left disconnected 29 Interface mode VMODE If high or left disconnected Normal or VGA mode is selected If low TFT LCD mode is selected 10 12 14 Reserved These pins are reserved for future use 16 33 34 Reserved These pins are reserved for future use 7 9 11 13 Not used N C Not connected 23 25 26 Not used N C Not connected 27 30 31 32 Not used N C Not connected Power and Control Inputs Table 2 Power and Control Inputs Pin Signal Symbol Description J2 Power input connector 1 Voltage Vcc2 Supply voltage 12 converted to required internal voltages 2 Ground GND Power return 3 Ground GND Power return same as pin 2 4 Voltage Vcc1 Supply voltage 5 Vdc J3 Luminance control input 1 Luminance LUM The inputs for an external 50 kQ log potentiometer or a control 0 5 V DC voltage to adjust the luminance of the display If left disconnected the luminance is at the max level 2 Ground GND Signa
18. s void Conditions resulting from normal wear and tear and Buyer s failure to properly store install operate handle or maintain the Goods are not within this warranty Repair or replacement of Goods is Seller s sole obligation and Buyer s exclusive remedy for all claims of defects If that remedy is adjudicated insufficient Seller shall refund Buyer s paid price for the Goods and have no other liability to Buyer All warranty repairs must be performed at Seller s authorized service center using parts approved by Seller Buyer shall pay costs of sending Goods to Seller on a warranty claim and Seller shall pay costs of returning Goods to Buyer The turnaround time on repairs will usually be 30 working days or less Seller accepts no added liability for additional days for repair or replacement If Seller offers technical support relating to the Goods such support shall neither modify the warranty nor create an obligation of Seller Buyer is not relying on Seller s skill or judgment to select Goods for Buyer s purposes Seller s software if included with Goods is sold as is and this warranty is inapplicable to such software SELLER DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Easy to Use There are many options available which make Planar flat panel displays easy to use easy to interface and easy to package Call Planar for compl
19. th 0 15 0 006 Pixel fill factor 57 Pixel Matrix 640 x2 horizontal by 480 vertical Green Red striped CAUTION To prevent injury in the event of glass breakage the use of an impact resistant shield or a protective overlay should be used on the viewer side of the display EL640 480 AA1 Operations Manual 020 0357 00A 19 205 8 07 Active Area t 211 1 x 158 3 4 8 0 19 158 3 Active Area 10 85 0 43 Clearance Envelope Fig 9 Front and Side Views All dimensions in mm linch EL640 480 AA 1 Operations Manual 020 0357 00A 20 Description of Warranty Seller warrants that the Goods will conform to published specifications and be free from defects in material for 12 months from delivery To the extent that Goods incorporate third party owned software Seller shall pass on Seller s licensor s warranty to Buyer subject to the terms and conditions of Seller s license Warranty repairs shall be warranted for the remainder of the original warranty period Buyer shall report defect claims in writing to Seller immediately upon discovery and in any event within the warranty period Buyer must return Goods to Seller within 30 days of Seller s receipt of a warranty claim notice and only after receiving Seller s Return Goods Authorization Seller shall at its sole option repair or replace the Goods If Goods were repaired altered or modified by persons other than Seller this warranty i
20. tive Humidity 40 C 93 RH Operating IEC 68 2 3 Damp Heat 25 55 C 95 RH Non operating IEC 68 2 30 Altitude Operating 5 000 m 16 000 ft above sea level Non operating 18 000 m 58 000 ft above sea level Vibration 20 500 Hz ASD level 0 05 g Hz Standard IEC 68 2 36 Test Fdb Random Vibration Shock Magnitude 100g Duration 4 ms half sine wave Number of shocks 18 3 on each of the 6 surfaces Standard IEC 68 2 27 test Ea MTBF gt 50 000 h 25 C The display will not inhibit the end product from obtaining any of the following certifications UL544 IEC 950 The display will not inhibit the end product from obtaining any of the following certifications EN55022 B FCC 15 J B emissions EL640 480 AA1 Operations Manual 020 0357 00A 17 Optical Determined at 25 C ambient Table 11 Optical Characteristics Areal Luminance On brightness 18 cd m 5 2 fL min 21 cd m 6 7 fL typical Measured at the center of the screen Luminance Non uniformity Maximum 35 1 min luminance max luminance x 100 Maximum difference between any two of five points center and four corners all pixels on Luminance Variation Time Maximum 20 10 000 h at 25 C Luminance Variation Temperature Maximum 15 over over 25 65 C range Luminance Contrast Ratio Minimum 10 1 500lx Viewing Angle Minimum 140 Illuminance Classification 1 10 dark 10 100 Ix dim 100 1000 Ix office 1
21. vers eight different hues of red green and yellow with excellent image clarity The EL640 480 AA1 is designed to function in extreme environments and is totally service free Its image contrast and colours remain constant over a wide viewing angle and without the need for an additional polarizing filter under most lighting conditions The EL640 480 AA1 features a 640 x 2 column by 480 row matrix with each pixel composed of a red and green subpixel Each subpixel has three intensity levels The digital flat panel interface is designed to match the needs of most systems For operation the EL640 480 AA1 display requires 5 Vdc and 12 Vdc Vcc1 Vcc2 power and seven basic input signals 1 Four bit serial Video Data DO D3 2 Video Clock pixel clock or dot clock VCLK 55 Horizontal Sync HS or Blanking 4 Vertical Sync VS EL Technology The display consists of an electroluminescent glass panel a mounted circuit board with driving electronics and an integrated DC DC converter GREEN FILTER L TRANSPARENT COLUMN ELECTRODE RED FILTER DIELECTRIC LAYERS A ROW ELECTRODE Figure 1 EL Technology The multicolour EL display panel is based on a new innovative structure in which red green and yellow colours are obtained using a patterned colour filter in front of a monochrome light emitting thin film EL device The structure is fully solid state with the colour filter lam
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