公开(公告)号：US20080087533A1

公开(公告)日：2008-04-17

申请号：US11772362

申请日：2007-07-02

Applicant: Jae-young CHOI ,  Joo-hoon LEE ,  Hyeon-jin SHIN

Inventor： Jae-young CHOI ,  Joo-hoon LEE ,  Hyeon-jin SHIN

IPC: H01H9/00

CPC classification number: H01H13/83 ,  H01H2209/004 ,  H01H2209/02 ,  H01H2219/039 ,  H01H2219/044 ,  H01H2219/052 ,  H01H2219/056 ,  H01H2219/06 ,  H01H2219/062

Abstract: A keypad assembly of electronic equipment includes a plurality of light emitting units, a light guide plate guiding light emitted from the light emitting units, a plurality of key buttons formed on a top surface of the light guide plate and including numeral and character key plates, a plurality of reflection patterns formed on the light guide plate and reflecting light toward the key buttons, a plurality of protrusions formed under the reflection patterns, a switch substrate including a plurality of switches corresponding to the protrusions, a first optical filter layer formed under the numeral key plates and converting the light emitted from the light emitting units into light of various colors according to wavelengths of the light emitted from the light emitting units, and a second optical filter layer formed under the character key plates and blocking violet wavelength light and transmit light having other wavelengths.

Abstract translation: 电子设备的键盘组件包括多个发光单元，引导从发光单元发射的光的导光板，形成在导光板的顶表面上并包括数字和字符键盘的多个键按钮， 多个反射图案，形成在导光板上，并将光向键按钮反射，形成在反射图案下面的多个突起;开关基板，包括对应于突起的多个开关;第一滤光层， 数字键盘，根据从发光单元发射的光的波长，将从发光单元发出的光转换成各种颜色的光;以及形成在字符键板下面并阻挡紫色波长的光并传输 具有其他波长的光。