# US 2024/0200751 A1 · Inner lens and lamp including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0200751 A1 - Document ID: US20240200751A1 - Status: Published application - Kind: A1 - Application number: 18/347,330 - Filed: 2023-07-05 - Published: 2024-06-20 - Earliest claimed: 2022-12-20 - Assignees: Hyundai Mobis Co., Ltd. - Applicants: Hyundai Mobis Co., Ltd. - Inventors: Chul Hyun KIM - Web page: https://patentgrep.com/patent/US20240200751A1 ## CPC - F21S 43/241: of complex shape - F21S 43/40: characterised by the combination of reflectors and refractors - F21S 43/245: emitting light from one or more of its major surfaces - F21S 43/247: with a single light source being coupled into the light guide - F21S 43/315: {using total internal reflection} - F21S 43/14: Light emitting diodes [LED] - F21S 43/243: emitting light from one or more of its extremities - F21S 43/246: {having two or more output branches} - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS ## Abstract Disclosed is an inner lens provided in a lamp, the inner lens including a light transmission part through which at least a portion of a light beam output from a light source passes and is then output, a light distribution formation part that outputs, to an outside of the lamp, a light beam, which forms a light distribution pattern, within a transmission light beam that is the light beam output from the light transmission part, and an image formation part that outputs, to the outside, a light beam, which forms an image pattern, among the transmission light beam. ## Claims ### Claim 1 An inner lens for a lamp, comprising: a light transmission part configured to receive at least a portion of a light beam output from a light source and transmit, to other parts of the inner lens, a transmission light beam including the received portion of the light beam; a light distribution formation part configured to generate, based on the transmission light beam transmitted from the light transmission part, a first light beam having a light distribution pattern, and externally output the first light beam in a first direction; and an aesthetic image formation part configured to generate, based on the transmission light beam transmitted from the light transmission part, a second light beam having an aesthetic image pattern, and externally output the second light beam, wherein the light distribution formation part includes a first light distribution formation portion extending in the first direction from the light transmission part to a first direction end portion of the first light distribution formation portion, wherein the aesthetic image formation part includes a plurality of image optics configured to externally reflect the transmission light beam transmitted from the light transmission part to form the aesthetic image pattern, and wherein a first gap in the first direction between the light source and the first direction end portion of the first light distribution formation portion is greater than a second gap in the first direction between the light source and all of the plurality of image optics. ### Claim 2 (depends on 1) The inner lens of claim 1, wherein: the transmission light beam comprises a first transmission light beam and a second transmission light beam, the first light distribution formation portion is configured to receive the first transmission light beam and externally output a first light distribution pattern, and the image formation part includes a light guide extending in a guide direction offset from the first direction and configured to receive and guide the second transmission light beam in the guide direction. ### Claim 3 (depends on 2) The inner lens of claim 2, wherein the first transmission light beam is diffused in a first light distribution output area, through which the first transmission light beam is output, within the first light distribution formation portion. ### Claim 4 (depends on 3) The inner lens of claim 3, wherein: the first light distribution formation portion includes an extension area extending between the first light distribution output area and the light guide in the first direction, and the extension area is corrosion-treated to scatter at least a portion of the first transmission light beam passing through the light transmission part. ### Claim 5 (depends on 4) The inner lens of claim 4, wherein the extension area has a vertically tapered shape. ### Claim 6 (depends on 2) The inner lens of claim 2, wherein the light guide is configured to reflect a substantially entire portion of the second transmission light beam. ### Claim 7 (depends on 6) The inner lens of claim 6, wherein: the second transmission light beam includes first and second portions, the first portion including an image formation light beam, and the light guide includes the plurality of image optics configured to externally reflect the image formation light beam to form the aesthetic image pattern. ### Claim 8 (depends on 7) The inner lens of claim 7, wherein: a direction perpendicular to the first direction is a second direction, the guide direction is a direction inclined in the first direction as a distance from the light transmission part in the second direction increases, and the plurality of image optics are spaced apart from each other in the guide direction. ### Claim 9 (depends on 8) The inner lens of claim 8, wherein each of the plurality of image optics has a shape recessed from a side of the light guide in the first direction. ### Claim 10 (depends on 7) The inner lens of claim 7, wherein: the second portion of the second transmission light beam includes a pattern formation light beam, the light distribution formation part includes a second light distribution formation portion configured to receive the pattern formation light beam and externally output a second light distribution pattern, and the light guide includes a first light guide extending between the light transmission part and the second light distribution formation portion and configured to guide the pattern formation light beam toward the second light distribution formation portion. ### Claim 11 (depends on 10) The inner lens of claim 10, wherein a light distribution reflection optic configured to reflect the pattern formation light beam to an outside is formed in an input area into which the pattern formation light beam guided by the light guide is input, within the second light distribution formation portion. ### Claim 12 (depends on 11) The inner lens of claim 11, wherein the pattern formation light beam reflected by the light distribution reflection optic is diffused in a second light distribution output area, from which the pattern formation light beam reflected by the light distribution reflection optic is output, within the second light distribution formation portion. ### Claim 13 (depends on 12) The inner lens of claim 12, wherein: the input area is formed on a side of the second light distribution formation portion in a direction opposite to the first direction, and the second light distribution output area is formed on a side of the second light distribution formation portion in the first direction. ### Claim 14 (depends on 10) The inner lens of claim 10, wherein: the light guide further includes a second light guide disposed above the first light guide, the first light guide is disposed below the first light distribution formation portion and above the second light distribution formation portion, and the second light guide is disposed above the first light distribution formation portion. ### Claim 15 (depends on 14) The inner lens of claim 14, wherein a separation distance between the first light guide and the second light guide in the second direction increases in the first direction. ### Claim 16 (depends on 2) The inner lens of claim 2, wherein the light transmission part includes a first light transmission portion from which the first transmission light beam that is input into the first light distribution formation portion is output, which faces a first light distribution output area and from which the first transmission light beam is output within the first light distribution formation portion. ### Claim 17 (depends on 16) The inner lens of claim 16, wherein the first light transmission portion includes a transmission optic configured to guide the first transmission light beam to the first light distribution output area. ### Claim 18 (depends on 16) The inner lens of claim 16, wherein the light transmission part further includes a second light transmission portion from which the second transmission light beam is output toward the light guide and which extends from the first light transmission portion in a direction opposite to the first direction. ### Claim 19 (depends on 18) The inner lens of claim 18, wherein the second light transmission portion is corrosion-treated to scatter at least a portion of the light beam output from the light source. ### Claim 20 A lamp comprising: a light source configured to output a light beam; and an inner lens configured to receive the light beam output from the light source, wherein the inner lens includes: a light transmission part configured to receive at least a portion of the light beam output from the light source and transmit, to other parts of the inner lens, a transmission light beam including the received portion of the light beam; a light distribution formation part configured to generate, based on the transmission light beam transmitted from the light transmission part, a first light beam having a light distribution pattern, and externally output the first light beam; and an aesthetic image formation part configured to generate, based on the transmission light beam transmitted from the light transmission part, and externally output a second light beam having an aesthetic image pattern, and externally outputting the second light beam, wherein the light distribution formation part includes a first light distribution formation portion extending in a first direction from the light transmission part to a first direction end portion of the first light distribution formation portion, wherein the aesthetic image formation part includes a plurality of image optics configured to externally reflect the transmission light beam transmitted from the light transmission part to form the aesthetic image pattern, and wherein a first gap in the first direction between the light source and the first direction end portion of the first light distribution formation portion is greater than a second gap in the first direction between the light source and all of the plurality of image optics.