Planar EL512.256-H Series User manual

EL512.256-H Series
512 x 256 Pixel
Electroluminescent Display
USER’S MANUAL
www.planar.com
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Revision Control
Date Description
April 1995 Document number PI02552 Ver 1
June 2004 Document number 020-0354-00A
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Contents
Product Profile ............................................................................................................................................................3
EL Technology.............................................................................................................................................................3
Electrical Characteristics..........................................................................................................................................4
Connector Layout .................................................................................................................................................4
Input to the Display..............................................................................................................................................5
Control Basics ......................................................................................................................................................... 6
Power Input.............................................................................................................................................................6
Signal Inputs ...........................................................................................................................................................6
Optional Grounding.............................................................................................................................................6
Connectors ..............................................................................................................................................................6
Input Specifications..............................................................................................................................................7
Display Features .........................................................................................................................................................7
Video Data Input ...................................................................................................................................................7
Two Bit Parallel Data ............................................................................................................................................8
Display Enable........................................................................................................................................................8
Brightness Control................................................................................................................................................8
Low Power Mode ..................................................................................................................................................8
Self Test.....................................................................................................................................................................8
Installation and Handling........................................................................................................................................9
Video Input Timing.............................................................................................................................................10
Setup and Hold Timing.....................................................................................................................................10
Operational Specifications ...................................................................................................................................11
Environmental......................................................................................................................................................11
Reliability................................................................................................................................................................11
Safety.......................................................................................................................................................................11
Optical.....................................................................................................................................................................12
Display Colour ................................................................................................................................................. 12
Optional Filter ................................................................................................................................................. 12
Mechanical Characteristics...................................................................................................................................13
Display External Dimensions...........................................................................................................................13
Display Viewing Area Characteristics...........................................................................................................13
Description of Warranty ........................................................................................................................................18
Easy to Use .................................................................................................................................................................18
Support and Service................................................................................................................................................19
Ordering Information.............................................................................................................................................19
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Figures
Figure 1. EL Technology......................................................................................................................................3
Figure 2. Connector Layout...............................................................................................................................4
Figure 3. Video Input Timing ............................................................................................................................9
Figure 4. Setup and Hold Timing...................................................................................................................10
Figure 5. Viewing Area Chracteristics ..........................................................................................................14
Figure 6. Front View, without Mounting Frame.......................................................................................14
Figure 7. Back and Side Views.........................................................................................................................15
Figure 8. Back and Side Views, with Aluminum Mounting Frame.....................................................16
Figure 9. Back and Side Views, with FRB Steel Mounting Frame .......................................................17
Tables
Table 1. Input to the Display .............................................................................................................................5
Table 2. Connectors..............................................................................................................................................6
Table 3. PS1 .............................................................................................................................................................7
Table 4. Input Specifications .............................................................................................................................7
Table 5. Video Input Timing ............................................................................................................................10
Table 6. Setup and Hold Timing.....................................................................................................................10
Table 7. Environmental Characteristics.......................................................................................................11
Table 8. Optical Characteristics ......................................................................................................................12
Table 9. Display External Dimensions..........................................................................................................13
Table 10. Display Viewing Area Characteristics........................................................................................13
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EL512.256-H Series Operations Manual (020-0354-00A)
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Product Profile
The EL512.256–H series displays are rugged, high resolution
electroluminescent (EL) flat panel displays. They replace the bulky CRT in
control and instrument product designs. They feature an integrated DC/DC
converter, and their compact dimensions save space that can allow addition of
features or reduction in overall size. They are designed to work in extreme
environments and the crisp display is viewable at wide viewing angles both in
horizontal and vertical directions. Their ease of installation reduces system
integration costs.
The EL512.256–H is a 512 column by 256 row flat panel display with a 1:1 pixel
aspect ratio. The digital flat panel interface is designed to match the needs of
most systems. The displays may be driven at frame rates up to 75 Hz.
The EL512.256–H displays require +5 Vdc and +11…+30 Vdc 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
4. Vertical Sync
EL Technology
Figure 1. EL Technology.
A display consists of an electroluminescent glass panel and a mounted circuit
board with control electronics. 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
aluminium; 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 soldered lead frames. The result is a flat,
compact, reliable and rugged display device.
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EL512.256-H Series Operations Manual (020-0354-00A)
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In EL512.256–H series displays, the 512 column electrodes and 256 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 Jumpers and their location.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Input to the Display
Table1. Input to the Display.
Pins Signal Symbol Description
J1(Data/power input connector)
1, 2 Voltage Vcc2 Supply voltage (+11…+30V) converted
to required internal high voltages (see
J2).
3, 4 Voltage Vcc1 Supply voltage (+5 V) for the logic (see
J2).
5 Reserved Reserved, do not connect.
6, 8, 10 Ground GND Signal return.
7 Two-bit data TVID Second data input for two bit parallel
mode. The TVID input is for odd columns
and the VID for even ones.
9 Vertical Sync VS The vertical sync signal VS controls the
vertical position of the picture.
11 Horizontal
Sync
HS The horizontal sync signal HS controls the
internal row counter and the horizontal
position of the picture.
13 Video Clock VCLK The VCLK signal shifts data present on
the VID and TVID lines into the display
system. VCLK is active on the rising edge.
15 Video Data VID Signal that supplies the pixel information
to the system.
12, 14,
16
Ground GND Signal return.
J2 (Optional power input connector)
1 Voltage Vcc2 Same as J1, Pins 1, 2 (not necessary to
connect if power is supplied via J1).
2, 3 Ground GND Same as J1 Pins 6, 8, 10, 12, 14, 16 (not
necessary to connect if power is supplied
via J1).
4 Voltage Vcc1 Same as J1 Pins 3, 4 (not necessary to
connect if power is supplied via J1).
5 Low Power _LOWPWR The power consumption of the display is
lowered to LOWPWR values if the
_LOWPWR is low, internally pulled high if
left disconnected.
6 Enable ENABLE The operation of the display unit is
disabled if the ENABLE input is low,
internally pulled high if left disconnected.
J3 (Optional control input connector)
1 Luminance
Pot.1
LUMPOT1 Input for external luminance control (see
page 8). Can be left disconnected.
2 Luminance
Pot.2
LUMPOT2 Input for external luminance control. Can
be left disconnected.
3, 4 Reserved Reserved, do not connect.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Control basics
The EL panel has 512 transparent column electrodes crossing 256 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 with pull-up
resistors.
Power Input
The required supply voltages for the display are +5 Vdc (Vcc1) for the logic and
+11…+30 Vdc input (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. The input voltages can be connected either
through J1 or J2.
Signal Inputs
Connector J1 contains input for the video signals, connector J2 contains two
control inputs and connector J3 contains input for external luminance control.
The signals on J2 and J3 that are not used can be left disconnected.
Optional Grounding
In order to improve the EMC properties of the display system, there is an
option for the customer to tie together the signal ground of the display and
the chassis of the user device. For this purpose the four corner mounting nuts
are each connected to the signal ground with 10 nF / 50 V capacitors. When
using this option, please be aware of the possible risk of lowered isolation
strength of the device and possible generation ground loops.
Connectors
Table 2. Connectors.
J1 16-pin header ODU 511.066.003.016 or eq.
Mating ODU 517.065.003.016 or eq.
Locking clip ODU 511.065.716.700 or eq.
J2 6-pin header Hirose DF1–6P–2.5DSA or eq.
Mating Hirose DF1–6S–2.5 R 24 or eq.
Protector Hirose DF1–6A 1.33
J3 4-pin header Hirose DF1–4P–2.5DSA or eq.
Mating Hirose DF1–4S–2.5 R 28 or eq.
Protector Hirose DF1–6A 1.33
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EL512.256-H Series Operations Manual (020-0354-00A)
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Table 3. PS1.
Position Name Function
1 SELFTST Self test function is selected, if theSELFTEST jumper is OFF. In self
test, the input video data at VID and TVID inputs are displayed
asynchronously without any other input signals.
2 DCONFIG The Two-bits-parallel mode is selectedif this jumper is OFF (see
page 8)
3 reserved Reserved, do not insert jumper.
4 reserved Reserved, do not insert jumper.
When shipped from the factory, jumpers PS1/1 and 2 are set.
Input Specifications
Table 4. Input Specifications.
Parameter Symbol Min. Typ. Max. Absolute min./max.
Logic input HIGH
Logic input LOW
Logic supply voltage
Logic supply current at 5V
Display Supply voltage
Supply current at 12V
Supply current at 12V
(LOWPWR)
Power consumption
5V/12V
Power consumption
5V/12V (LOWPWR)
Vcc1
Icc1
Vcc2
Icc2
Icc2
2V
4.75V
—
11V
5.0V
—
—
0.5A
0.3A
6W
4W
0.8V
5.25V
0.2A
30V
0.9A
0.5A
12W
7W
Vcc1 + 0.5V abs. max.
–0.5V abs. min.
6V abs. max.
33V abs. max.
Operating conditions: Frame rate 70 Hz. 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
Video Data Input
Four input signals are needed for video input. VS signal marks the topmost
row, HS envelopes the pixels in one row and VCLK indicates the valid pixel
data. The visible pixels in a row are the last 512 pixels before the fall of the HS.
The topmost row displayed is the first HS HIGH time ending after the rising
edge of VS. If HS is running continuously, the rising edge of the VS can be
simultaneous to the previous falling or rising edge of the HS.
See details on the timing as well as setup and hold timing on pages 9 and 10.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Two Bit Parallel Data
To reduce the input data frequency the video data can be input two bits per
clock cycle. The two data inputs are organized so that the data for the odd
columns, numbered from left to the right at the viewers side, is input at the
TVID (J1/ pin 7) and the data for the even columns at VID (J1/ pin 15). The two
bit parallel mode is selected by removing jumper 2 of the pin strip PS1.
Display Enable
The display can be totally shut off for screen save or power reduction by a LOW
sate in the ENABLE control input (J2/pin 6). When disabled, the display stops
scanning and only the DC/DC converter remains functional lowering the
power consumption to below 2 W. In normal operation the ENABLE input
should be pulled HIGH or left disconnected (internal pull-up).
Brightness Control
The brightness of the display can be adjusted (appr. between 40 and 100%) by
an external 50 k
Ω logarithmic potentiometer between the LUMPOT1 and
LUMPOT 2 inputs (J3/pins 1 and 2). The control function is done by feeding a
small DC current signal via the external potentiometer from LUMPOT1 (+5V
reference voltage) to LUMPOT2. If the two inputs are left disconnected, the
brightness is at its maximum level.
Low Power Mode
The power consumption of the display is possible to be reduced typically to 4
W by using the low power mode. This mode is selected when _LOWPOW
control input (J2/5) is pulled low. In normal operation _LOWPOW should be
pulled HIGH or left disconnected. In low power mode the contrast and average
brightness of the display are slightly reduced.
Self Test
The operation of the display can be easily checked without any external
signals by the self test function.
Remove Jumper 1 in pinstrip PS1.
Connect power to the display.
All pixels of the display will be lit with the exception of the first half of the
topmost row.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Installation and Handling
The product should be mounted using the M3 insert nuts on the ECA. Beside
the four corner nuts it is recommended to use also the two center nuts in the
mounting, if the vibration or shock stress is severe.
Before touching the display, necessary precaution must be taken to prevent
application of static charges on the display from the operator or tools.
The display is made of glass material and should be handled with proper care.
Do not drop the display or allow hard objects to strike its surface.
NOTE: For trouble-free data transfer a maximum cable length of 300 mm (12
in.) from data transmitter to display input connector is recommended. If
longer cables up to 2m (80 in.) length are needed, a serial resistor of appr. 47
Ω could be placed at each of the four signal line outputs of the
transmitter in order to lower signal reflections.
Electrostatic Caution: Planar display use CMOS and power MOS-FET devices.
These components are electrostatic sensitive. Unpack, assemble and examine
this assembly in a staticcontrolled area only. When shipping use packing
materials designed for protection of electrostatic-sensitive components.
Warning: The product generates potentially dangerous voltages capable
of causing personal injury (high voltage pulses up to 195 Vac). Do not
touch the display electronics during operation!
Fig 3. Video Input Timing.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Video Input Timing
Table 5. Video Input Timing.
Description Min typ Max Unit
T1 Vertical Front Porch
1
100 µs
T2 VS HIGH/LOW time
2
1 tVCLK
T3 Vertical Period 256 tHS + T1
VS frequency 70 75 Hz
Description Min Typ Unit
T4 HS setup to VS 1 tVCLK
T5 HS hold from VS 3 µs
T6 HS Low Time
3
4 tVCLK
T7 HS High Time
4
512 512 tVCLK
T8 HS period (tHS) 50 µs
Notes:
1
This time is needed to display the last row and to change the frame.
2
Only rising edge is used.
3
Video Clock VCLK should be kept running.
4
The values for two bit parallel mode are 256/256 tVCLK. The number
of VCLK pulses during HS high time should be even.
Setup and Hold Timing
Figure 4. Setup and Hold Timing.
Table 6. Setup and Hold Timing.
Symbol Description Min Max
tVCLK VCLK period 33ns
VCLK frequency 30 MHz
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EL512.256-H Series Operations Manual (020-0354-00A)
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Operational Specifications
Environmental
Table 7. Environmental Characteristics.
Temperature
Operating
H2
H3
0…+55°C
–25…+65°C
Non-operating –40…+75°C
Operating Survival H2
H3
–20…+65°C (no permanent damage)
–40…+65°C (no permanent damage)
Test duration 24 h at temperature extremes (without condensation)
Humidity
Relative 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 15,000 m (50,000 ft.) above sea level
Vibration
20…500 Hz
ASD level 0.05 G
2
/Hz
Random vibration wide band
IEC 68–2–36, Test Fdb
Shock
Magnitude
Duration
Number of shocks
100 G
4 ms (half sine wave)
18 (3 on each of the 6 surfaces)
IEC 68-2-27, test Ea
Reliability
MTBF > 30,000 h @ 25°C
Safety
The display will not inhibit the end product from obtaining the following
specification: UL544
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EL512.256-H Series Operations Manual (020-0354-00A)
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Optical
Determined at 70 Hz frame rate at room temperature.
Display Colour
Wide band amber (Zn:Mn)
Table 8. Optical Characteristics.
Areal Luminance
On Luminance (typ)
On Luminance (min.)
65 cd/m
2
(19 fL)
45 cd/m
2
(13 fL)
Measured at the center and the four corners 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)
Luminance Variation (Time)
Maximum 20% 10,000 h
Luminance Variation (Temperature)
Typical
Maximum
10%
15%
over –25…+65°C range.
Viewing Angle
Minimum 160°
Optional Filter
For best overall optical performance of the display, a neutral gray circular
polarizing filter with anti-reflective coating or etch is the usual choice. This
filter will make the reflective electrodes of the display darker and will improve
the contrast ratio. The anti-reflective coating on the filter should face the user.
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EL512.256-H Series Operations Manual (020-0354-00A)
12
Mechanical Characteristics
Display External Dimensions
Fig. 6 shows the mechanical dimensions of a standard EL512.256–H series
display unit. The display can also be delivered with optional FRA aluminium
frame or FRB steel frame (see Fig. 5 and 6). Using FRB frames makes the display
mounting compatible with Planar MD512.256 displays. See Ordering
Information on page 19.
Table 9. Display External Dimensions.
Height 136 mm 5.35 in.
Width 233 mm 9.17 in.
Depth 16.5 mm 0.65 in.
Weight 400 g 14 oz.
Display Viewing Area Characteristics
Table 10. Display Viewing Area Characteristics.
Active Area
millimeters (inches) height 97.5 (3.84)
width 195.1 (7.68)
Pixel Pitch
millimeters (inches)
height 0.381 (0.015)
width 0.381 (0.015)
Pixel Size
millimeters (inches)
height 0.25 (0.01)
width 0.25 (0.01)
Pixel fill factor 43%
Pixel Matrix 512 horizontal by 256 vertical
CAUTION: The ambient temperature of the display should not be allowed to
exceed the environmental specifications (see Table 7). In most applications,
an air gap of appr. 5 mm is recommended (see mechanical drawings). Some
applications may require, however, a larger air gap or cooling of the display
unit in the system. Note that this may slightly increase the total depth of the
design.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Fig 5. Viewing Area Characteristics.
Fig 6. Front View without Mounting Frame (standard).
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EL512.256-H Series Operations Manual (020-0354-00A)
14
Fig 7. Back and Side Views. Dimensions in mm.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Fig 8. Back and Side Views with FRA Aluminum Mounting Frame. Dimensions in
mm.
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EL512.256-H Series Operations Manual (020-0354-00A)
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Fig 9. Back and Side Views with FRB Steel Mounting Frame. Dimensions in mm.
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EL512.256-H Series Operations Manual (020-0354-00A)
17
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 is 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. Examples of options which are typically available include filters,
touch panels and interface cards. Call Planar for complete information and availability.
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