Planar EL640.400-CD4 User's Guide
EL640.400-CB1/CB3 and –CD4
640 x 400 Pixel Display
USER’S MANUAL
www.planar.com
Revision Control
Date Description
November 1997 Document number PI01064 Ver 3
June 2004 Document number 020-0356-00A
Contents
Product Profile ............................................................................................................................................................2
EL Technology......................................................................................................................................................... 2-3
Electrical Characteristics.......................................................................................................................................... 3
Connector Layout .................................................................................................................................................3
Input to the Display.............................................................................................................................................. 4
Control Basics .........................................................................................................................................................5
Power Input............................................................................................................................................................. 5
Signal Inputs ...........................................................................................................................................................5
Connectors ..............................................................................................................................................................5
Luminance Control............................................................................................................................................... 5
Self Test..................................................................................................................................................................... 5
Jumper Description.............................................................................................................................................. 6
Input Specifications.............................................................................................................................................. 6
Display Features......................................................................................................................................................... 7
Display Operation Modes...................................................................................................................................7
Supported VGA Modes........................................................................................................................................8
Display Enable........................................................................................................................................................ 8
200 Rows Mode......................................................................................................................................................8
Two Bit Parallel Data ............................................................................................................................................9
Brightness Control................................................................................................................................................ 9
Self Test..................................................................................................................................................................... 9
Installation and Handling........................................................................................................................................9
Mounting .................................................................................................................................................................9
Handling...................................................................................................................................................................9
Cable Length.........................................................................................................................................................10
Avoiding Burn-in .................................................................................................................................................10
Timing Characteristics.......................................................................................................................................11
Setup and Hold Timing.....................................................................................................................................14
Operational Specifications ...................................................................................................................................15
Environmental......................................................................................................................................................15
Reliability................................................................................................................................................................15
Safety.......................................................................................................................................................................15
EMC ..........................................................................................................................................................................15
Optical.....................................................................................................................................................................16
Display Colour .................................................................................................................................................
Filter....................................................................................................................................................................
16
16
Mechanical Characteristics...................................................................................................................................17
Display External Dimensions...........................................................................................................................17
Display Viewing Area Characteristics...........................................................................................................17
Description of Warranty ........................................................................................................................................21
Easy to Use .................................................................................................................................................................21
Support and Service................................................................................................................................................22
Ordering Information.............................................................................................................................................22
Figures
Figure 1. EL Technology...................................................................................................................................... 2
Figure 2. Connector Layout............................................................................................................................... 3
Figure 3. 350 Row VGA Modes .......................................................................................................................11
Figure 4. 400 Row VGA Modes .......................................................................................................................12
Figure 5. 640 Columns x 400 Row Mode.....................................................................................................13
Figure 6. Setup and Hold Timing...................................................................................................................14
Figure 7. Viewing Area Characteristics........................................................................................................18
Figure 8. EL640.400-CB1/CB3 and -CD4 Back and Side Views ............................................................19
Figure 9. EL640.400-CB1/CB3 FRA and -CD4 FRA Back and Side Views...........................................20
Tables
Table 1. Input to the Display .............................................................................................................................4
Table 2. Connectors.............................................................................................................................................. 5
Table 3. PS1 .............................................................................................................................................................6
Table 4. Input Specifications .............................................................................................................................6
Table 5. Supported VGA Modes....................................................................................................................... 8
Table 6. 350 Row VGA Modes .........................................................................................................................11
Table 7. 400 Row VGA Modes .........................................................................................................................12
Table 8. 640 Columns x 400 Row Mode ......................................................................................................13
Table 9. Setup and Hold Timing.....................................................................................................................14
Table 10. Environmental Characteristics ....................................................................................................15
Table 11. Optical Characteristics....................................................................................................................16
Table 12. Display External Dimensions........................................................................................................17
Table 13. Display Viewing Area Characteristics........................................................................................17
Product Profile
The EL640.400–CB1/3 and –CD4 displays are VGA compatible high-resolution
electroluminescent (EL) flat panel displays.They replace the bulky CRT in
control and instrument product designs. They feature an intergrated DC/DC
converter, and their compact dimensions save space that can allow addition of
features or reduction in overall size. The three displays are mechanically
identical.
The displays are timing compatible with Planar EL640.400–C3/CD3 displays
and signal compatible with VGA Feature Connector supporting the 350 and
400 line VGA modes. They may be driven at frame rates up to 72Hz.
The displays require +5Vdc and +12 or +24Vdc power input and four basic
input signals to operate:
1. Video Data or pixel information
2. Video Clock, pixel clock, or dot clock
3. Horizontal Sync or Blanking
4. Vertical Sync
EL Technology
Planar EL displays consist of an electroluminescent glass panel and a mounted
circuit board with control electronics.
Figure 1. EL Technology.
The EL glass panel is a solid-state device with a thin film luminescent layer
sandwiched between transparent dielectric layers and a matrix of row and
column electrodes. The row electrodes, in back, are aluminum; the column
electrodes, in front, are transparent. The entire thin film device is deposited on
a single glass substrate. The glass panel is mounted to an electronic circuit
assembly board (ECA) with an elastic spacer. The ECA is connected to the EL
glass panel with flexible interconnects. The result is a flat, compact, reliable
and rugged display device.
EL640.400-CB1/CB3 and –CD4 Operations Manual (020-0356-00A)
2
The EL640.400–CD4 display includes a dark ICE (Integrated Contrast
Enhancement) background in the display glass. ICE background significantly
improves the luminance contrast of the display in bright ambients. ICE also
removes the halo around the lit pixels in dark ambient making the appearance
of each pixel crisp and clear.
In Planar EL640.400–C displays, the 640 column electrodes and 400 row
electrodes are arranged in an X-Y formation with the intersecting areas
performing as pixels. Voltage is applied to both the correct row electrode and
the correct column electrode to cause a lit pixel. Operating voltages required
are provided by an integral DC/DC converter.
Electrical Characteristics
Connector Layout
Fig 2. Input Connectors and their location.
3 EL640.400-CB1/CB3 and –CD4 Operations Manual (020-0356-00A)
Input to the Display
Table 1. Input to the Display.
Pin No. Signal Symbol Description
J1(Data and power input connector)
1, 2
3, 4 Voltage Vcc1 Supply voltage (+5 V) for the logic.
5 Blanking _BLANK Used in VGA modes. In NORMAL mode
6, 8, 10
12, 14, 16 Ground GND Signal return.
7 Two-bit
9 Vertical
11 Horizontal
13 Video Clock VCLK The VCLK signal shifts data present on
15 Video Data VID Signal that supplies the pixel information
Voltage
data
Sync
Sync
Vcc2
TVID Second data input for two bit parallel
VS The vertical sync signal VS controls the
HS The horizontal sync signal HS controls the
Supply voltage (+12 V/+24 V dependent
on version, see Ordering Information in
page 23) converted to required internal
high voltages.
should be pulled HIGH or left
disconnected.
mode. The TVID input is for odd columns
and the VID for even columns.
vertical position of the picture.
internal row counter and in the NORMAL
mode the horizontal position of the
picture.
the VID and TVID lines into the display
system. VCLK is active on the rising edge.
to the system.
J2 (Optional control input connector)
1 Luminance
Pot.1
2 Luminance
Pot.2
3 Enable ENABLE Display operation is enabled if HIGH or
4 Ground GND Same as pins 6…16 in J1 (not necessary
LUMPOT1
LUMPOT2
The inputs for an external logarithmic
50kΩ potentiometer to adjust the
luminance of the display. Can be left
disconnected. The luminance is then at
the maximum level.
left disconnected.
to be connected)
EL640.400-CB1/CB3 and –CD4 Operations Manual (020-0356-00A)
4
Control basics
The EL panel has 640 transparent column electrodes crossing 400 row
electrodes in an X-Y fashion. Light is emitted when an AC voltage is applied at
a row- column intersection. The display operation is based on the symmetric,
line at a time data addressing scheme which is synchronized by the external
VS, HS, and VCLK input signals. The internal control signals and the high
voltage pulses for the column and row drivers are generated internally by the
control electronics. All control signal inputs are HCT compatible.
Power Input
The required supply voltages for the display are +5 Vdc (Vcc1) for the logic and
either +12 Vdc (–CB1 and –CD4) or +24 Vdc (–CB3) (Vcc2) for the integrated
DC/DC converter. The high voltages needed for driving the display are
generated by the DC/DC converter from the Vcc2 input voltage.
Signal Inputs
For easy interfacing with VGA display controllers the data and control input
signals are VGA Feature Connector compatible. The display automatically
determines the mode of operation.
The control input J2 includes contacts for optional luminance control and
ENABLE signal to totally shut off the display when not in use (screen saver
function).
Connectors
Table 2. Connectors.
J1 16-pin header ODU 511.066.003.016 or eq.
Mating ODU 517.065.003.016 or eq.
J2 4-pin header Hirose DF1–4P–2.5DSA or eq.
Mating Hirose DF1–4S–2.5 R 28 or eq.
Luminance Control
The displays feature luminance control capability for users to set the
brightness of the display to meet the ambient lightning. The control function
is achieved by drawing a 0…1 mA current from LUMPOT1 to ground
(LUMPOT2). The luminance is at maximum level when the inputs are open. The
voltage level of LUMPOT1 (J2/1) is appr. 5.1 Vdc when disconnected.
Self Test
The operation of the display can be easily checked using the SELFTST function.
Self test is performed when SELFTST jumper (PS1/1) is set or no data input is
present. During self test all pixels are lit except the left-most half of the
topmost row of the display.
5 EL640.400-CB1/CB3 and –CD4 Operations Manual (020-0356-00A)
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