Patents by Inventor Wan Piang Lim

Wan Piang Lim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250098364
    Abstract: An optical detection device with enhanced electrostatic discharge immunity includes a circuit board, a lens component and a case. The circuit board has a plurality of electrodes. The lens component is disposed on the circuit board. The case includes an accommodating chamber and an opening structure. The accommodating chamber is adapted to accommodate the circuit board and the lens component. The opening structure is communicated with the accommodating chamber. The case further includes a rugged structure disposed around the opening structure and adapted to engage with the lens component for extending an electrostatic discharge path from the opening structure to a nearest electrode of the plurality of electrodes.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 20, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun Lee
  • Publication number: 20250076675
    Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.
    Type: Application
    Filed: November 21, 2024
    Publication date: March 6, 2025
    Inventors: Wan-Piang LIM, Sai-mun LEE
  • Patent number: 12181688
    Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: December 31, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Wan-Piang Lim, Sai-Mun Lee
  • Patent number: 12137868
    Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.
    Type: Grant
    Filed: October 10, 2023
    Date of Patent: November 12, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Patent number: 12092890
    Abstract: An optical lens, comprising: a first part, comprising a first surface; and a second part, comprising a second surface, a third surface and at least one concave portion. The first surface and the second surface are not parallel with the third surface, the first part protrudes from the third surface, and the first surface and the second surface are connected with the third surface.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: September 17, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun Lee
  • Publication number: 20240206052
    Abstract: An optical package includes: a Printed Circuit Board (PCB) including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein the first plurality of protrusions includes three protrusions being guide posts, a first protrusion of the first plurality of protrusions is formed on a first side of the lens, and a second protrusion of the first plurality of protrusions is formed on a second side of the lens opposite to the first side, and when the lens is placed under the PCB, the first plurality of protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB.
    Type: Application
    Filed: February 29, 2024
    Publication date: June 20, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Wan Piang LIM, Sai Mun LEE
  • Patent number: 11956892
    Abstract: An optical package includes: a Printed Circuit Board including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein when the lens is placed under the PCB, the protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB. The first plurality of protrusions has a shape from the group including: snap features, guide posts and guide posts with tight-fit ribs.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 9, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun Lee
  • Publication number: 20240069650
    Abstract: There is provided a navigation device including a light source, a light guide and a light sensor. The navigation device is operated relative to a work surface. The light source generates an illumination beam passing through the light guide to generate an illuminated area on the work surface. The light sensor receives reflected light from the illuminated area via the light guide. When a working gap between the navigation device and the work surface is increased, a first size of the illuminated area in a first direction is substantially identical to a first initial size of the illumination beam in the first direction after just leaving the light guide, and a second size of the illuminated area in a second direction is smaller than a second initial size of the illumination beam in the second direction after just leaving the light guide.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Inventors: Yee-Loong CHIN, Wan-Piang LIM, Sai-Mun LEE
  • Publication number: 20240032756
    Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Publication number: 20240036286
    Abstract: An optical lens, comprising: a first part, comprising a first surface; and a second part, comprising a second surface, a third surface and at least one concave portion. The first surface and the second surface are not parallel with the third surface, the first part protrudes from the third surface, and the first surface and the second surface are connected with the third surface.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun LEE
  • Patent number: 11822143
    Abstract: An optical lens comprising: a first part, comprising a first surface; a second part, comprising a second surface and at least one concave portion, wherein at least portion of the first surface and at least portion of the second surface are cylindrical. The second part further comprises a third surface, wherein the first surface and the second surface are not parallel with the third surface. The first part protrudes from the third surface. The optical lens can be attached to a barrel or an optical sensor without connection components or adhesive material. Therefore, the process of manufacturing the optical data capturing device can be simplified and related cost can be reduced.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: November 21, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun Lee
  • Patent number: 11819184
    Abstract: An auto clean machine, comprising: a chassis; a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data; wherein if the first light source is activated, the second light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the first light source to be non-activated and the second light source to be activated.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: November 21, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Publication number: 20230309216
    Abstract: An optical package includes: a Printed Circuit Board including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein when the lens is placed under the PCB, the protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB. The first plurality of protrusions has a shape from the group including: snap features, guide posts and guide posts with tight-fit ribs.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 28, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Wan Piang LIM, Sai Mun LEE
  • Publication number: 20230044840
    Abstract: An auto clean machine, comprising: a chassis; a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data; wherein if the first light source is activated, the second light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the first light source to be non-activated and the second light source to be activated.
    Type: Application
    Filed: October 21, 2022
    Publication date: February 9, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Muan Sian NG, Wan Piang LIM, Hui-Hsuan Chen
  • Patent number: 11510539
    Abstract: An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting external light; an optical sensor, configured to sense optical data generated according to the external light or according to the internal light; and a control circuit, configured to analyze optical information of the optical data. If the internal light source is activated, the external light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the internal light source to be non-activated and the external light source to be activated.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: November 29, 2022
    Assignee: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Publication number: 20220260849
    Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Inventors: Wan-Piang LIM, SAI-MUN LEE
  • Publication number: 20220221677
    Abstract: An optical lens comprising: a first part, comprising a first surface; a second part, comprising a second surface and at least one concave portion, wherein at least portion of the first surface and at least portion of the second surface are cylindrical. The second part further comprises a third surface, wherein the first surface and the second surface are not parallel with the third surface. The first part protrudes from the third surface.
    Type: Application
    Filed: January 13, 2021
    Publication date: July 14, 2022
    Inventors: Wan Piang LIM, Sai Mun LEE
  • Patent number: 11372258
    Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: June 28, 2022
    Assignee: PIXART IMAGING INC.
    Inventors: Wan-Piang Lim, Sai-Mun Lee
  • Publication number: 20210255473
    Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.
    Type: Application
    Filed: February 13, 2020
    Publication date: August 19, 2021
    Inventors: WAN-PIANG LIM, SAI-MUN LEE
  • Publication number: 20190274505
    Abstract: An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting external light; an optical sensor, configured to sense optical data generated according to the external light or according to the internal light; and a control circuit, configured to analyze optical information of the optical data. If the internal light source is activated, the external light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the internal light source to be non-activated and the external light source to be activated.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Inventors: Muan Sian NG, Wan Piang Lim, Hui-Hsuan Chen