DMF-50840NB-FW Optrex America Inc, DMF-50840NB-FW Datasheet
DMF-50840NB-FW
Specifications of DMF-50840NB-FW
Related parts for DMF-50840NB-FW
DMF-50840NB-FW Summary of contents
Page 1
... I/O Terminal...........................................................................................10 5. Test..........................................................................................................12 6. Appearance Standards............................................................................13 7. Code System of Production Lot ..........................................................16 8. Type Number..........................................................................................16 9. Applying Precautions .............................................................................16 10. Precautions Relating Product Handling................................................17 11. Warranty..................................................................................................18 Rev. Date DMF-50840NB-FW (AA) No.99-0101 First Edition May 12, 1999 Final Revision ******* Table of Contents Revision History Page OPTREX CORPORATION OPTREX Approved by Production Div ...
Page 2
... Viewing Angle ： 4-bit parallel data transfer Data Transfer ： Cold Cathode Fluorescent Lamp (CFL) × 1 Backlight ： Dimensional Outline Drawings DMF-50840NB-FW (AA) No.99-0101 *1 (H) × 11.0 max. *1 Without Connector *2 Without CFL Cable ( STN / Blue-mode / Transmissive ) UE-36988 OPTREX CORPORATION OPTREX ...
Page 3
... CC EE Supply Voltage (LCD Drive ADJ High Level V IH Input Voltage Low Level V IL Input Voltage I CC Supply Current I EE DMF-50840NB-FW (AA) No.99-0101 Conditions Min. － -0.3 － 0 － -0.3 Conditions Min. － 4.5 － 27.1 Shown in 3.1 V =5.0V±10% 0.8× =5.0V± ...
Page 4
... Note 1:The rise and fall times ( ① r, f＜ t － ② r, f＜ LOAD 0～DI 3 FLM This module contain these capacitors. Please be careful about timing characteristics. FLM LP M VSS DMF-50840NB-FW (AA) No.99-0101 Symbol Min SETUP t HOLD FDS t FDH must satisfy the following relationships (①and ②). ...
Page 5
... D3 316 320 4 FLM LP (Reduction) FLM (Reduction) 2.5.Comparison of Display and Data SEG1 # #240 DMF-50840NB-FW (AA) No.99-0101 T=0.0556ms typ. SEG #1 DATA 5～ 8 240× TOP VIEW D0 ～ D3 OPTREX CORPORATION OPTREX SEG SEG SEG SEG 313～ 317～ ...
Page 6
... VCC VSS Please maintain the above sequence when turning on and off the power supply of the module. If DISPOFF is supplied to the module unstable, DC component will be supplied to the LCD panel. This may cause damage the LCD module. DMF-50840NB-FW (AA) No.99-0101 0 ≦ ≦ ≦ ≦ ≦ ≦ ...
Page 7
... Average Life representes the time elapsed at the point of time when the residual ratio becomes below 50% when plural lamps are lighted in comparison with the definition of life mentioned above CFL Testing Circuit Recommended Inverter : S-12561 ( Produced by ELEVAM ) DMF-50840NB-FW (AA) No.99-0101 Conditions Min. － － － 3.0 － 850 － ...
Page 8
... Duty - 1/B Bias ( A : Duty Number Bias Number ). Driving voltage V as the voltage V when the contrast ratio (CR=L O-P V O-P × 〈 ON SIGNAL 〉 DMF-50840NB-FW (AA) No.99-0101 Conditions Ta= 0℃ -V Ta=25℃ ADJ Ta=50℃ Ta=25℃, 1/240Duty, 1/14Bias, V Conditions θ= 0 ﾟ, φ=－ﾟ CR － ...
Page 9
... V 90 ﾟ 135 ﾟ 180 ﾟ 225 ﾟ 270 ﾟ ･Area shows typ. CR≧2 3.4.System Block Diagram Photometer #1980A WB Computer DMF-50840NB-FW (AA) No.99-0101 f =22.7V, =75Hz ﾟ φ (φ= 0 ﾟ） θ 180 ﾟ 315 ﾟ ...
Page 10
... CFL HOT CFL GND 4.2.Example of Power Supply It is recommended to apply a potentiometer for the contrast adjust due to the tolerance of the driving voltage and its temperature dependence. MODULE DMF-50840NB-FW (AA) No.99-0101 Level Display Data Display Data Display Data Display Data Display Display off (Pull up Resister) ...
Page 11
... Diagram FLM LP DISPOFF CP D0～D3 LP VCC VSS VADJ VEE CFL HOT CFL GND DMF-50840NB-FW (AA) No.99-0101 Row Driver 240 LC79431D × equivalent Circuit Bias Circuit To LSI CFL Backlight OPTREX CORPORATION OPTREX 320 × 240 dots 320 Column Driver LC79401D × equivalent ...
Page 12
... Note 4 : The function test shall be conducted after 4 hours storage at the normal temperature and humidity after removed from the test chamber. Note 5 : Vibration test will be conducted to the product itself without putting container. DMF-50840NB-FW (AA) No.99-0101 Conditions 50℃±2℃, 96hrs (operation state) 0℃±2℃, 96hrs (operation state) 60℃ ...
Page 13
... All directions for inspecting the sample should be within 45 ﾟ against perpendicular line. 6.2.Definition of applicable Zones Ｙ A Zone : Active display area B Zone : Area from outside of "A Zone" to validity viewing area C Zone : Rest parts A Zone + B Zone = Validity viewing area DMF-50840NB-FW (AA) No.99-0101 45 ﾟ X X=120.0mm Y=90.0mm A Zone Bezel Flame ...
Page 14
... Black and (1) Round Shape White Spots, Foreign Substances (2) Line Shape Total defects shall not exceed 5. 2 Air Bubbles (between glass & polarizer) Total defects shall not exceed 3. DMF-50840NB-FW (AA) No.99-0101 Criteria Zone Dimension (mm ≦0.1 * 0.1 ＜ D ≦0.2 3 0.2 ＜ D ≦0.25 2 0.25＜ D ≦0.3 0 0.3 ＜ ...
Page 15
... Black spots, line shaped foreign substances or air bubbles between Substance Defects glass & polarizer should be 5pcs maximum in total. 7 Distance between D≦0.2 : 20mm or more Different Foreign 0.2＜D : 40mm or more Substance Defects DMF-50840NB-FW (AA) No.99-0101 Criteria 0.15 ≧ OPTREX CORPORATION OPTREX As per the sketch of left hand. ...
Page 16
... The type number of module is specified on the back of module as follows. ＤＭＦ－５０８４０ ＮＢ－ＦＷ Etching or Printing 9.Applying Precautions Please contact us when questions and/or new problems not specified in this specifications arise. DMF-50840NB-FW (AA) No.99-0101 □ □ Factory Number (Numeral) Factory Code (Alphabet) Production Week (1～ ...
Page 17
... Care should be taken not to touch connection areas to avoid burns. ② Protect CFL cables from rubbing against the unit and thus causing the wire jacket to become worn. ③The use of CFLs for extended periods of time at low temperatures will significantly shorten their service life. DMF-50840NB-FW (AA) No.99-0101 OPTREX CORPORATION OPTREX Page 17/18 ...
Page 18
... Optrex will not be held responsible for any quality guarantee issue for defect products judged as Optrex-origin longer than 2 (two) years from Optrex production or 1(one) year from Optrex, Optrex America, Optrex Europe, Display LC delivery which ever comes later. DMF-50840NB-FW (AA) No.99-0101 OPTREX CORPORATION OPTREX ...