The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2011
Filed:
Mar. 04, 2008
Joo-hoon Lee, Yongin-si, KR;
Gwan-hyung Kim, Seoul, KR;
Joo-Hoon Lee, Yongin-si, KR;
Gwan-Hyung Kim, Seoul, KR;
Samsung Electronics Co., Ltd., Maetan-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do, KR;
Abstract
Disclosed are a waveguide member and a keypad assembly including the same. The waveguide member includes a waveguide for guiding light propagated inside, and at least one recess formed in a direction perpendicular to a direction of guidance of light coupled to the inside of the waveguide so that light guided by the waveguide is reflected to the waveguide. The keypad assembly includes a keypad having at least one key button and an elastic sheet fixing the key button, a waveguide member positioned beneath the keypad, the waveguide member having a waveguide for guiding light coupled to an inside and at least one recess for reflecting light guided by the waveguide to the waveguide, and a switch pad positioned beneath the waveguide member so as to establish an electric contact when the key button is pressed.