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G154I1-L01 Datasheet(PDF) 9 Page - AZ Displays |
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G154I1-L01 Datasheet(HTML) 9 Page - AZ Displays |
9 / 26 page Issued Date: Nov.24, 2008 Model No.: G154I1 - L01 Approval 9 / 26 The information described in this technical specification is preliminary and it is possible to be changed without prior notice. Please contact CMO ’s representative while your product design is based on this specification. Version 2.0 3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC Value Parameter Symbol Min. Typ. Max. Unit Note Lamp Input Voltage VL 540 600 660 VRMS IL = 7.0 mA Lamp Current IL 3.0 7.0 8.0 mARMS (1) -- -- 1240(25 oC ) VRMS (2) Lamp Turn On Voltage VS -- -- 1450( 0 oC) VRMS (2) Operating Frequency FL 40 55 80 KHz (3) Lamp Life Time LBL 50000 -- -- Hrs (5) IL = 7.0mA Power Consumption PL -- 16.8 -- W (4), IL = 7.0 mA Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below: Note (2) The voltage that must be larger than Vs should be applied to the lamp for more than 1 second after startup. Otherwise, the lamp may not be turned on normally. Note (3) The lamp frequency may produce interference with horizontal synchronous frequency from the display, and this may cause line flow on the display. In order to avoid interference, the lamp frequency should be detached from the horizontal synchronous frequency and its harmonics as far as possible. Note (4) PL = IL x VL x 4CCLFs Note (5) The lifetime of lamp can be defined as the time in which it continues to operate under the condition Ta = 25 ±2 oC and I L = 7.0 mArms until one of the following events occurs: (a) When the brightness becomes or lower than 50% of its original value. (b) When the effective ignition length becomes ≦ 80% of its original value. (The effective ignition length is a scope that luminance is over 70% of that at the center point.) Note (6) The waveform of the voltage output of inverter must be area-symmetric and the design of the inverter must have specifications for the modularized lamp. The performance of the Backlight, such as lifetime or brightness, is greatly influenced by the characteristics of the DC-AC inverter for the lamp. All the parameters of an inverter should be carefully designed to avoid producing too much current leakage from high voltage output of the inverter. When designing or ordering the inverter please make sure that a poor lighting caused by the mismatch of the Backlight and the inverter (miss-lighting, flicker, etc.) never occurs. If the above situation is confirmed, the module should be operated in the same manners when it is installed in your instrument. The output of the inverter must have symmetrical (negative and positive) voltage waveform and LCD Module Inverter 1 A HV (Pink) 2 LV (White) Current Meter YOKOGAWA 2016 A 1 A HV (Blue) 2 LV (Black) |
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