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:
Dec. 25, 2012
Filed:
Oct. 28, 2009
Ji-young Jung, Seoul, KR;
Tae-jin Yoon, Gyeonggi-do, KR;
Yong-jin Lee, Gyeonggi-do, KR;
Jin-hyuk Choi, Gyeonggi-do, KR;
Ju-yup Kim, Gyeonggi-do, KR;
Ji-Young Jung, Seoul, KR;
Tae-Jin Yoon, Gyeonggi-do, KR;
Yong-Jin Lee, Gyeonggi-do, KR;
Jin-Hyuk Choi, Gyeonggi-do, KR;
Ju-Yup Kim, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A keypad apparatus for an electronic device permits a thinner construction. The keypad apparatus includes a first light guide plate having key buttons molded in one body attached onto the first light guide plate, a second light guide plate disposed under the first light guide plate, a first light source disposed at one side of the first light guide plate, a second light source disposed at one side of the second light guide plate, and key input switches associated with the key buttons.