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    • 1. 发明申请
    • INTEGRATED LIGHT GUIDE AND TOUCH SCREEN FRAME AND MULTI-TOUCH DETERMINATION METHOD
    • 一体化指南和触控屏幕和多触摸确定方法
    • WO2016048590A1
    • 2016-03-31
    • PCT/US2015/047730
    • 2015-08-31
    • NEONODE INC
    • ERIKSSON, ThomasJUBNER, AlexanderKARLSSON, JohnSPARF, LarsLINDFORS, SaskaPETTERSSON, Robert
    • G06F3/042
    • G06F3/0421G06F3/041G06F3/0412G06F3/0416G06F2203/04103G06F2203/04104
    • A touch screen assembly including a display screen, light emitters, photo diodes, a transparent plastic frame including an exposed upper edge along the frame perimeter, exposed vertical outer walls, extending from below to above the display screen along the frame perimeter, vertical inner walls parallel to the outer walls, and internally reflective facets for directing light emitted by the light emitters along light paths travelling upward through one side of the frame along the height of the inner and outer walls, over the display screen, downward through the opposite side of the frame along the height of the inner and outer walls, and onto the photo diodes, and a processor that selectively activates the light emitters and photo diodes, and identifies location of an object touching the display screen, based on amounts of light detected by activated photo diodes when the object blocks light emitted by activated light emitters.
    • 包括显示屏,发光器,光电二极管,包括沿着框架周边的暴露的上边缘的透明塑料框架的触摸屏组件,暴露的垂直外壁,沿着框架周边从下方延伸到显示屏幕的上方,垂直内壁 平行于外壁的内部反射面和用于引导由发光体发射的光沿着沿着内壁和外壁的高度向上穿过框架的一侧向上行进的光路,穿过显示屏,向下穿过显示屏的相对侧 沿着内壁和外壁的高度以及光二极管的框架,以及处理器,其基于激活的检测到的光量选择性地激活光发射器和光电二极管,以及识别触摸显示屏的物体的位置 当物体阻挡由激活的光发射器发射的光时,光电二极管。
    • 4. 发明申请
    • OPTICAL TOUCH SCREENS
    • 光触摸屏
    • WO2014197404A2
    • 2014-12-11
    • PCT/US2014/040579
    • 2014-06-03
    • NEONODE INC.
    • PETTERSSON, RobertROSENGREN, PerROSENGREN, ErikHOLMGREN, StefanSPARF, LarsBERGLIND, RichardERIKSSON, ThomasNORDSTRÖM, Karl, Erik, PatrikFRÖJDH, Gunnar, MartinWANG, XiataoBEHDASHT, Remo
    • G06F3/042
    • G06F3/0421G06F3/0423
    • A lens for placement opposite a diode in an optical touch sensor, including an upper portion including an upper refractive surface located nearer to the diode, and an upper reflector located further from the diode, the upper reflector being curved in two dimensions and cut horizontally by a top horizontal plane of the lens, and a lower portion, coplanar with the diode, including a lower refractive surface located nearer to the diode, and a lower reflector located further from the diode, the lower reflector being curved in the two dimensions and cut horizontally by a bottom horizontal plane of the lens, wherein the upper and the lower reflector are symmetrical and vertically aligned, and wherein non-collimated light reflected by the lower reflector onto the upper reflector is partially collimated in the two dimensions by the lower reflector and further collimated in the two dimensions by the upper reflector.
    • 一种用于在光学触摸传感器中与二极管相对放置的透镜,包括包括位于更靠近二极管的上折射表面的上部,以及位于二极管之外的上反射器,上反射器被二维弯曲并且被水平地切割并被水平地切割 透镜的顶部水平平面和与二极管共面的下部,包括位于更靠近二极管的较低折射表面的下部和位于二极管之外的下部反射器,下部反射器在两个维度上弯曲并切割 水平地通过透镜的底部水平平面,其中上反射器和下反射器是对称的并且垂直对准,并且其中由下反射器反射到上反射器上的非准直光在两个维度中被下反射器部分准直,并且 通过上反射器在两个维度上进一步校准。
    • 8. 发明申请
    • LIGHT-BASED TOUCH SCREEN
    • 基于光的触摸屏
    • WO2010093570A1
    • 2010-08-19
    • PCT/US2010/023429
    • 2010-02-08
    • NEONODE INC.GOERTZ, MagnusERIKSSON, ThomasSHAIN, Joseph
    • GOERTZ, MagnusERIKSSON, ThomasSHAIN, Joseph
    • G06F3/042
    • G06F3/0425G06F3/0421G06F3/0428G06F2203/04108
    • A light-based touch screen, including a plurality of infra-red light emitting diodes (LEDs), for generating light beams, at least one LED selector, connected with the plurality of LEDs, for controllably selecting and deselecting one or more of the plurality of LEDs, a plurality of photodiode (PD) receivers, for measuring light intensity, at least one PD selector, connected with the plurality of PD receivers, for controllably selecting and deselecting one or more of the plurality of PD receivers, an optical assembly, for projecting light beams emitted by the plurality of LEDs, and a controller, coupled with the plurality of PD receivers, (i) for controlling the at least one LED selector, (ii) for controlling the at least one PD selector, and (iii) for determining therefrom position and velocity of an object, based on output currents of the plurality of PD receivers.
    • 一种基于光的触摸屏,包括用于产生光束的多个红外发光二极管(LED),与所述多个LED连接的至少一个LED选择器,用于可控地选择和取消选择所述多个LED中的一个或多个 用于测量光强度的多个光电二极管(PD)接收器,与多个PD接收器连接的至少一个PD选择器,用于可控地选择和取消选择多个PD接收器中的一个或多个,光学组件, 用于投射由所述多个LED发射的光束;以及控制器,与所述多个PD接收器耦合,(i)用于控制所述至少一个LED选择器,(ii)用于控制所述至少一个PD选择器,以及(iii ),用于基于所述多个PD接收机的输出电流来确定对象的位置和速度。