基本信息:
- 专利标题： 광학식 터치 입력 장치 및 이의 구동 방법
- 专利标题（英）：Optical Touch Input Device and Driving Method for the same
- 专利标题（中）：光触摸输入装置及其驱动方法相同
- 申请号：KR1020100129532 申请日：2010-12-16
- 公开(公告)号：KR101351421B1 公开(公告)日：2014-01-14
- 发明人： 이영준 , 이원석 , 장현우
- 申请人： 엘지디스플레이 주식회사
- 申请人地址： 서울특별시 영등포구 여의대로 ***(여의도동)
- 专利权人： 엘지디스플레이 주식회사
- 当前专利权人： 엘지디스플레이 주식회사
- 当前专利权人地址： 서울특별시 영등포구 여의대로 ***(여의도동)
- 代理人： 김용인; 박영복
- 主分类号： G06F3/042
- IPC分类号： G06F3/042 ; G06F1/32
The present invention relates to a touch action before the separation of the at touch operation controls the light emission of the optical output to input an optical touch reduce the power consumption device and its driving method, the optical touch input device of the present invention includes a display panel; and, wherein two sides a plurality of infrared emitting elements arranged in correspondence to adjacent the display panel; and, disposed to correspond to the remaining two sides of the display panel, the lens portion for reflecting a divergent light from the infrared light emitting device; and the display panel the light-receiving unit arranged to correspond to the adjacent two sides; And the touch coordinate calculation unit for computing a touch coordinate according to the received information collected from the light receiving unit, the infrared light emitting distinguish the optical output of the device to when the touch when the non-touch by emitting lower than when touching the light output of the non-touch control including a characterized in that the made up by a touch control.
公开/授权文献:
- KR1020120067891A 광학식 터치 입력 장치 및 이의 구동 방법 公开/授权日：2012-06-26