公开(公告)号：US20130147765A1

公开(公告)日：2013-06-13

申请号：US13708918

申请日：2012-12-07

Applicant: PIXART IMAGING INC.

Inventor： Hung-Ching LAI ,  Hui-Hsuan CHEN ,  Ming-Tsan KAO

IPC: G06F3/042

CPC classification number: G06F3/042 ,  G06F3/0421

Abstract: An optical touch device includes a sensing area, at least a light source assembly and a light sensing component. The light source assembly is disposed beside the sensing area and includes a plurality of first point light sources configured to sequentially emit a first beam into the sensing area. The light sensing component has a field of view of the entire sensing area and is configured to sense the first beams. A light source assembly and a display module used in the optical touch device are also disclosed.

Abstract translation: 光学触摸装置包括感测区域，至少一个光源组件和光感测部件。 光源组件设置在感测区域旁边，并且包括被配置为顺序地将第一光束发射到感测区域中的多个第一点光源。 光感测部件具有整个感测区域的视场并被配置为感测第一光束。 还公开了一种在光学触摸装置中使用的光源组件和显示模块。