标签: 导光膜

50.采用导光膜和LED的创新键盘设计InnovateKeypadDesignWithLightGuidesandLEDsWhitePaperIntroductionAlightguidetransmitslightwithhighuniformityandminimallossfromanLEDlightsourcetoaparticularareaawayfromitslightsource.Lightguidesaremadefromopticalgradematerialsuchasacrylicresin,polycarbonate,6xTop-redepoxiesandglass.LEDThiswhitepaperdescribeslightguidetechnologyandapplications.LightGuidesandLEDsforMobilePhoneKeypadBacklightingInakeypadbacklightapplication,alightguidereducesFigure1.Conventionalkeypadbacklightwithsixtop-reLEDsthenumberofilluminationLEDswitho……