# US 12,010,413 B2 · Optical engine with multiple light sources and package structure thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,413 B2 - Document ID: US12010413B2 - Status: Granted - Kind: B2 - Application number: 17/841,582 - Filed: 2022-06-15 - Published: 2022-09-29 - Granted: 2024-06-11 - Earliest claimed: 2018-11-06 - Assignees: Pixart Imaging Inc. - Applicants: Pixart Imaging Inc. - Inventors: Yen-Hung Wang; Wen-Yen Su; Hui-Hsuan Chen; Hung-Yu Lai - Web page: https://patentgrep.com/patent/US12010413B2 ## CPC - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - G05D 1/0246: {using a video camera in combination with image processing means} - G05D 1/249: from positioning sensors located off-board the vehicle, e.g. from cameras - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - H04N 23/56: provided with illuminating means - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G05D: SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ## Abstract There is provided an optical engine for a navigation device including a first light source, a second light source, a lens, a carrier member and an image sensor. The carrier member has a light holder, a lens holder, an accommodation space and a tilted wall. The first light source is arranged on the light holder of the carrier member, and reflected light associated with the first light source penetrates through the lens to propagate to the image sensor inside the accommodation space. Reflected light associated with the second light source penetrates through the tilted wall of the carrier member to propagate to the image sensor. ## Claims ### Claim 1 An optical engine, comprising: a package structure, comprising: a light containing structure, having a light source contain space; an optical carrier structure, having a lens contain space; a chip containing structure, having a chip contain space; and a filter sidewall, arranged above the chip contain space; a first light source, arranged in the light source contain space; a second light source, arranged in the chip contain space; a lens, arranged in the lens contain space; and an image sensor, arranged in the chip contain space, wherein the filter sidewall is opaque to a first wavelength of the first light source but transparent to a second wavelength of the second light source, and the lens is opaque to the second wavelength but transparent to the first wavelength. ### Claim 2 (depends on 1) The optical engine as claimed in claim 1, wherein the optical carrier structure is integrated with the filter sidewall, and is opaque to the first wavelength but transparent to the second wavelength. ### Claim 3 (depends on 2) The optical engine as claimed in claim 2, wherein the light containing structure and the optical carrier structure are two individual elements, and are combined to form an integral whole. ### Claim 4 (depends on 1) The optical engine as claimed in claim 1, wherein a first illuminated region of the first light source on a working surface at a predetermined distance is partially overlapped with a second illuminated region of the second light source on the working surface at the predetermined distance, and reflected light associated with the first light source penetrates through the lens to propagate to the image sensor, and reflected light associated with the second light source penetrates through the filter sidewall to propagate to the image sensor. ### Claim 5 (depends on 1) The optical engine as claimed in claim 1, wherein the optical carrier structure is between the light containing structure and the filter sidewall in a transverse direction, and the optical carrier structure is higher than the light containing structure and the filter sidewall. ### Claim 6 (depends on 1) The optical engine as claimed in claim 1, wherein the first light source is a light emitting diode, the second light source is a laser diode, and the first wavelength of the first light source is different from the second wavelength of the second light source. ### Claim 7 (depends on 1) The optical engine as claimed in claim 1, further comprising: a substrate, the package structure being arranged on the substrate; and a hood, arranged on the substrate and covering the package structure, wherein a wall of the hood is vertical to the substrate. ### Claim 8 A package structure of an optical engine, the package structure comprising: a light containing structure, having a light source contain space; an optical carrier structure, having a lens contain space; a chip containing structure, having a chip contain space; and a tilted wall, arranged upon the chip contain space, wherein the light source contain space is configured to contain a first light source, and the chip contain space is configured to contain a second light source and an image sensor, wherein the tilted wall is integrated with the optical carrier structure, and extended downward at an angle from a side of the optical carrier structure farther away from the light containing structure. ### Claim 9 (depends on 8) The package structure as claimed in claim 8, wherein the light containing structure and the optical carrier structure are two individual elements, and are combined to form an integral whole. ### Claim 10 (depends on 8) The package structure as claimed in claim 8, wherein the tilted wall is transparent to emission light of the second light source but opaque to emission light of the first light source. ### Claim 11 (depends on 8) The package structure as claimed in claim 8, wherein the optical carrier structure is between the light containing structure and the tilted wall in a transverse direction, and the optical carrier structure is higher than the light containing structure and the tilted wall. ### Claim 12 A package structure of an optical engine, the package structure comprising: a light containing structure, having a light source contain space; an optical carrier structure, having a lens contain space; a chip containing structure, having a chip contain space; and a filter sidewall, arranged upon the chip contain space, wherein the light source contain space is configured to contain a first light source, the chip contain space is configured to contain a second light source, and the filter sidewall is transparent to emission light of the second light source but opaque to emission light of the first light source. ### Claim 13 (depends on 12) The package structure as claimed in claim 12, wherein the filter sidewall is integrated with the optical carrier structure, and extended downward at an angle from the optical carrier structure. ### Claim 14 (depends on 12) The package structure as claimed in claim 12, wherein the light containing structure and the optical carrier structure are two individual elements, and are combined to form an integral whole. ### Claim 15 (depends on 12) The package structure as claimed in claim 12, wherein the optical carrier structure is higher than the light containing structure and the filter sidewall. ### Claim 16 (depends on 12) The package structure as claimed in claim 12, wherein the filter sidewall is a tilted wall. ### Claim 17 (depends on 12) The package structure as claimed in claim 12, wherein a part of the chip containing structure is under the optical carrier structure. ### Claim 18 A package structure of an optical engine, the package structure comprising: a light containing structure, having a light source contain space; an optical carrier structure, having a lens contain space; a chip containing structure, having a chip contain space; and a tilted wall, arranged upon the chip contain space, wherein the light source contain space is configured to contain a first light source, and the chip contain space is configured to contain a second light source and an image sensor, wherein the tilted wall is transparent to emission light of the second light source but opaque to emission light of the first light source. ### Claim 19 A package structure of an optical engine, the package structure comprising: a light containing structure, having a light source contain space; an optical carrier structure, having a lens contain space; a chip containing structure, having a chip contain space; and a tilted wall, arranged upon the chip contain space, wherein the light source contain space is configured to contain a first light source, and the chip contain space is configured to contain a second light source and an image sensor, wherein the optical carrier structure is between the light containing structure and the tilted wall in a transverse direction, and the optical carrier structure is higher than the light containing structure and the tilted wall.