Invention Grant
- Patent Title: Illuminated keypad
- Patent Title (中): 照明键盘
-
Application No.: US12464755Application Date: 2009-05-12
-
Publication No.: US08035048B2Publication Date: 2011-10-11
- Inventor: Choon Guan Ko , Muh Fong Chung , Sian Tatt Lee , Fook Chuin Ng
- Applicant: Choon Guan Ko , Muh Fong Chung , Sian Tatt Lee , Fook Chuin Ng
- Applicant Address: SG Singapore
- Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
- Current Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
- Current Assignee Address: SG Singapore
- Main IPC: H01H9/00
- IPC: H01H9/00

Abstract:
An illuminated keypad is disclosed herein. And embodiment of the keypad comprises a first zone and a second zone; a substrate comprising a substrate surface; a first switch located on the substrate in the first zone; a first light guide having a first light guide first side and a first light guide second side, wherein the first light guide first side faces the first switch; a second light guide having a second light guide first side and a second light guide second side, wherein the second light guide first side faces the substrate surface; a masking layer having a masking layer first side and a masking layer second side, the masking layer first side facing the substrate surface; and at least one cut in the masking layer, wherein the masking layer blocks a light path between the light guides.
Public/Granted literature
- US20100288608A1 ILLUMINATED KEYPAD Public/Granted day:2010-11-18
Information query