发明名称 |
Keypad lighting using polymer light emitting devices |
摘要 |
At least one key of a keypad of an electronic device, such as a wireless terminal, includes a polymer light emitting device, also referred to as a polymer LED, thereon. A polymer LED may be on the inner and/or outer surface of the face of the key and may be unpatterned and/or patterned to form a symbol.
|
申请公布号 |
US7379720(B2) |
申请公布日期 |
2008.05.27 |
申请号 |
US20030370399 |
申请日期 |
2003.02.20 |
申请人 |
SONY ERICSSON MOBILE COMMUNICATIONS AB |
发明人 |
KLINGHULT GUNNAR;LARSSON MATS |
分类号 |
H04B1/18;H01H13/70;H04M1/22 |
主分类号 |
H04B1/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|