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    Optical detection device
    11.
    发明授权
    Optical detection device 有权

    公开(公告)号：US12152925B2

    公开(公告)日：2024-11-26

    申请号：US18508265

    申请日：2023-11-14

    Applicant: PixArt Imaging Inc.

    Inventor： Feng-Chi Liu ,  Chi-Chieh Liao ,  Guo-Zhen Wang ,  Hung-Ching Lai

    IPC: G01F23/292 ,  G01F23/80

    Abstract: An optical detection device includes a first linear light source, a second linear light source, an optical sensor array and a processor. The first linear light source is adapted to project a first long strip illumination beam onto the target container. The second linear light source is adapted to project a second long strip illumination beam onto the target container, and the second long strip illumination beam is crossed with the first long strip illumination beam. The optical sensor array is adapted to receive a first long strip detection beam and a second long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the first long strip detection beam and the second long strip detection beam to acquire a relative distance between the optical sensor array and the target container.

    Light source assembly of optical touch device
    12.
    发明授权
    Light source assembly of optical touch device 有权

    公开(公告)号：US10156939B2

    公开(公告)日：2018-12-18

    申请号：US15297097

    申请日：2016-10-18

    Applicant: PixArt Imaging Inc.

    Inventor： Hung-Ching Lai ,  Hui-Hsuan Chen ,  Chi-Chieh Liao

    IPC: G06F3/042 ,  G02B5/04 ,  G06F3/041

    Abstract: A light source assembly for an optical touch device includes a linear light source and a plurality of prism pillars. The linear light source includes a lighting surface having a first side along a first direction and a second side along a second direction for emitting light. The first side is longer than the second side, and the first direction intersects the second direction. The prism pillars are disposed adjacent to the lighting surface and arranged along the first direction. Each of the prism pillars includes a first surface adjacent to the lighting surface and two reflection surfaces tilted toward each other for reflecting the light. The first surface is connected to the two reflection surfaces and parallel to the lighting surface. Each of the first surfaces is for receiving the emitted light, and each of the first surfaces and one of the reflection surfaces form a first angle.

    Optical touch device, and light source assembly and display module thereof
    13.
    发明授权
    Optical touch device, and light source assembly and display module thereof 有权

    公开(公告)号：US09904413B2

    公开(公告)日：2018-02-27

    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.

    Multi-segment optical component and related optical detecting device capable of increasing SNR
    15.
    发明授权
    Multi-segment optical component and related optical detecting device capable of increasing SNR 有权

    公开(公告)号：US09857576B2

    公开(公告)日：2018-01-02

    申请号：US14981921

    申请日：2015-12-29

    Applicant: PixArt Imaging Inc.

    Inventor： Yu-Hsiang Huang ,  Hung-Ching Lai

    IPC: G02B19/00 ,  G02B3/08 ,  G01J1/04 ,  A61B5/00 ,  G01N21/47

    CPC classification number: G02B19/0085 ,  A61B5/0059 ,  G01J1/0422 ,  G01N21/474 ,  G02B3/08 ,  G02B19/0009

    Abstract: A multi-segment optical component applied to increase signal-to-noise ratio includes a base, a central lens portion, an isolating lens portion and a collecting lens portion. The central lens portion is disposed on center of the base. The isolating lens portion is disposed by a side of the central lens portion, and the collecting lens portion is disposed by the other side of the central lens portion opposite to the isolating lens portion. At least one of the isolating lens portion and the collecting lens portion has a curvature radius different from a curvature radius of the central lens portion, and the curvature radius of the isolating lens portion can be similar to or different from the curvature radius of the collecting lens portion. The central lens portion has a central axle which does not overlap a curvature center of one of the isolating lens portion and the collecting lens portion.

    Multi-segment Optical Component and Related Optical Detecting Device Capable of Increasing SNR
    16.
    发明申请
    Multi-segment Optical Component and Related Optical Detecting Device Capable of Increasing SNR 有权
    多段光学元件和相关的光学检测装置能够提高SNR

    公开(公告)号：US20170059839A1

    公开(公告)日：2017-03-02

    申请号：US14981921

    申请日：2015-12-29

    Applicant: PixArt Imaging Inc.

    Inventor： Yu-Hsiang Huang ,  Hung-Ching Lai

    IPC: G02B19/00 ,  G02B3/08 ,  G01J1/08 ,  G01N21/47 ,  G01J1/04

    CPC classification number: G02B19/0085 ,  A61B5/0059 ,  G01J1/0422 ,  G01N21/474 ,  G02B3/08 ,  G02B19/0009

    Abstract: A multi-segment optical component applied to increase signal-to-noise ratio includes a base, a central lens portion, an isolating lens portion and a collecting lens portion. The central lens portion is disposed on center of the base. The isolating lens portion is disposed by a side of the central lens portion, and the collecting lens portion is disposed by the other side of the central lens portion opposite to the isolating lens portion. At least one of the isolating lens portion and the collecting lens portion has a curvature radius different from a curvature radius of the central lens portion, and the curvature radius of the isolating lens portion can be similar to or different from the curvature radius of the collecting lens portion. The central lens portion has a central axle which does not overlap a curvature center of one of the isolating lens portion and the collecting lens portion.

    Abstract translation: 应用于增加信噪比的多段光学部件包括基座，中心透镜部分，隔离透镜部分和收集透镜部分。 中心透镜部分设置在基座的中心。 隔离透镜部分由中心透镜部分的一侧设置，并且聚光透镜部分由中心透镜部分的与隔离透镜部分相对的另一侧设置。 隔离透镜部和收集透镜部中的至少一个具有与中心透镜部的曲率半径不同的曲率半径，隔离透镜部的曲率半径可以与收集体的曲率半径相同或不同 透镜部分。 中心透镜部分具有不与隔离透镜部分和收集透镜部分之一的曲率中心重叠的中心轴。

    Optical touch device having a plurality of light guide components each with an acute angle between light emitting surfaces
    18.
    发明授权
    Optical touch device having a plurality of light guide components each with an acute angle between light emitting surfaces 有权
    光学触摸装置具有多个导光部件，每个导光部件在发光表面之间具有锐角

    公开(公告)号：US09383253B2

    公开(公告)日：2016-07-05

    申请号：US14492018

    申请日：2014-09-20

    Applicant: PixArt Imaging Inc.

    Inventor： Hung-Ching Lai ,  Chun-Sheng Lin

    IPC: G01J1/02 ,  G06F3/042 ,  G01J1/04

    CPC classification number: G01J1/0295 ,  G01J1/0271 ,  G01J1/0407 ,  G06F3/0421 ,  G06F3/0428

    Abstract: An optical touch device with a detecting area includes light guide components, a light source module, a light detecting component and an auxiliary light guide component. Each light guide component includes a first light emitting surface. The light guide components includes a first light guide component and a second light guide component. The auxiliary light guide component and the light detecting component are disposed between two neighboring ends of the first light guide component and the second light guide component, and the light detecting component includes a light detecting end. The auxiliary light guide component is positioned between the light detecting component and the detecting area and includes a first light incidence surface, a second light incidence surface and a second light emitting surface connected between the first light incidence surface and the second light incidence surface. The optical touch device can effectively avoid the blind zone problem.

    Abstract translation: 具有检测区域的光学触摸装置包括导光部件，光源模块，光检测部件和辅助光导部件。 每个导光部件包括第一发光面。 光导部件包括第一光导部件和第二光导部件。 辅助光导部件和光检测部件设置在第一导光部件和第二导光部件的两个相邻端之间，光检测部件包括光检测端。 辅助光导部件位于光检测部件和检测区域之间，并且包括连接在第一光入射表面和第二光入射表面之间的第一光入射表面，第二光入射表面和第二发光表面。 光学触摸装置可以有效地避免盲区问题。

    Detecting device and automatic cleaner
    19.
    发明授权
    Detecting device and automatic cleaner 有权

    公开(公告)号：US11703458B2

    公开(公告)日：2023-07-18

    申请号：US17393424

    申请日：2021-08-04

    Applicant: PixArt Imaging Inc.

    Inventor： Guo-Zhen Wang ,  Hung-Ching Lai

    IPC: G01N21/94 ,  G01N21/88 ,  B25J11/00 ,  B25J9/16

    CPC classification number: G01N21/94 ,  B25J9/1697 ,  B25J11/0085 ,  G01N21/8806

    Abstract: A detecting device for detecting liquid or colloid, comprising: a light emitting device, configured to emit first light, wherein a first angle between a first emitting direction of the first light and a surface when the detecting device is located on the surface, wherein the first angle is larger than 0° and smaller than 90°; an optical sensor, configured to detect first optical data generated based on the first light; and a processing circuit, configured to determine if the liquid or the colloid exists in a predetermined range of the detecting device based on the first optical data. An automatic cleaner applying the detecting device is also disclosed.

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