Rubber Backlit Keypad for LED Switches

Rubber Backlit Keypad also called rubber backlight keypad, which made of elastomer transparent silicone rubber materials with different toner ratios, some also need laser etching processing or surface treatment like PU coating, different Color spraying coating, Matte surface treatment etc, in aim to get backlit-effects switches products.

Firstly, Do Printed Ink Process, the printed ink color is same to the laser etched legends, and then spray coating on the surface the silicone rubber keypad. Lastly place the keypads on the laser etched machines for process.
Notes: The legends color should have a high contrast with the spray coating color
Like following case: The legends color is translucent, and the spray coated color is gray.

 

Translucent Silicone Backlight Keypad take full advantage of silicone original materials which is translucent. Different silicone is different transparency. Generally, more better silicone materials, the color is more transparent. The original color of liquid silicone is almost transparent.
That have two different translucent backlight Silicone Keypad:
The first one is more transparent: The one make cover tool to protect the translucent parts and then dotwo layers sprayer coating.
The Second is less transparent, which choose mixed color process way.

Generally, need spray painted before do font or symbol printing on the surface, and the do PU coating process to protect the legends. However, Silk Screen Translucent Silicone Backlight Keypad, which needn't do spray coating process. For better backlight legends effects, sometimes, also needn't do PU coating or UV+PU coating.
Knowledge: The light source of Plastic Backlit Keyboard is different the backlight which light source behind LCD.