►Backlit membrane switch
Backlit Membrane switch is also called Back lighted Membrane switch switch ,Back light Membrane keypad,Back light Membrane switch keyboard and Back light Membrane button.
►Basic info
Back light Membrane switch is used in dark environment which can see button clearly for position and mark.It takes better operation and improve products view effects and technology quality.
Adventure:
Button lights on such panels can be turned on and off by program . Instead of placing an LED display on the side of the button, a panel with a backlight display not only confirms the device's working status through the light behind the button, but also it is easier to find the corresponding key position and operate in the low-light environment.
Backlight solution:Side light LED lamp + Light guide film.
►Structure presentation and material
| Part order |
Part Name |
Description |
| 1 |
Graphic Overlay |
PET,Matt 0.15mm |
| 2 |
Guide Film |
PET,0.188mm |
| 3 |
Spacer |
PET Adhesive 0.28mm |
| 4 |
Dome |
10mm,280g |
| 5 |
Circuit Layer |
PET,0.125mm |
| 6 |
Rear Adhesive |
3M 468 |
| 7 |
Connector |
Female connector,2.54mm |
►About Back light Membrane switch
Back light Membrane switch display well in dark environment.It is convenient to operate.Backlight display section is the key border and character LOGO or LOGO.There are many kinds of backlight solutions, the normally solution is using LED or EL cold light sheet as light source. LED solution is more stable than EL and the service life is longer.EL backlight uniformity is better than LED solution.Backlight solutions should be used in touch switches or inelastic switches.The light effect is better than elastic switch effect.
►Working environment
| Item |
Requirement |
| Working Temperature |
-20℃-80℃ |
| Working Humidity |
40℃,98%RH |
| Indoor or outdoor |
Indoor |
| UV resistance |
No |
►Electrical performance
|
Item
|
Date
|
Item
|
Date
|
| Wire Resistance |
0.5mm width,<1Ω/cm |
Rated Current |
25-100mA,0-30V DC |
| Insulation Resistance |
>100MΩ 250V DC |
Working Voltage |
<3.3V |
| Working Life |
>50 million times |
Feed back Time |
10ms |
| Button Force |
CustomizeFrom180~350g |
|
|
►Notice on mounting and operating
①The cable can be bent 180 degrees with a bending radius greater than 1mm.
②The optimum operating temperature is 0~30 degrees
③Once the product has been pasted, it cannot be torn off for use
④This product can be pasted on smooth ABS,PC and steel surface. The surface should be clean and dry before pasting
⑤Don’t bash the product
⑥Don’t bent the panel
⑦Don’t press the button with hard tool, such as Screw-driver
