# US 2019/0170952 A1 · Optical module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170952 A1 - Document ID: US20190170952A1 - Status: Published application - Kind: A1 - Application number: 16/188,933 - Filed: 2018-11-13 - Published: 2019-06-06 - Earliest claimed: 2017-12-04 - Assignees: Fujitsu Limited - Applicants: Fujitsu Limited - Inventors: TAKAHIRO OOI - Web page: https://patentgrep.com/patent/US20190170952A1 ## CPC - G02B 6/4206: {Optical features (G02B6/4207, G02B6/421 take precedence)} - G02B 6/4214: {the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device (G02B6/4246 takes precedence)} - G02B 6/425: {Optical features (semiconductor laser arrays H01S5/40; hybrid LED arrays H10W90/00)} - G02B 6/4295: {coupling with semiconductor devices activated by light through the light guide, e.g. thyristors, phototransistors} - G02B 6/4268: {Cooling (of instruments G12B15/00; of electric apparatus H05K7/20; of semiconductor devices H10W76/47)} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An optical module includes a first light source configured to emit a first light beam, a second light source configured to emit a second light beam, and a lens member configured to include a first lens configured to transmit the first light beam, a second lens provided adjacent to the first lens and configured to transmit the second light beam, and a gap provided between the first lens and the second lens. ## Claims ### Claim 1 An optical module comprising: a first light source configured to emit a first light beam; a second light source configured to emit a second light beam; and a lens member configured to include: a first lens configured to transmit the first light beam, a second lens provided adjacent to the first lens and configured to transmit the second light beam, and a gap provided between the first lens and the second lens. ### Claim 2 (depends on 1) The optical module according to the claim 1, wherein the first lens includes a first convex portion to which the first light beam is entered, a first intermediate portion through which the first light beam entered to the first convex portion is transmitted, and a second convex portion from which the first light beam transmitted through the first intermediate portion is emitted, wherein the second lens includes a third convex portion to which the second light beam is entered, a second intermediate portion through which the second light beam entered to the third convex portion is transmitted, and a fourth convex portion from which the second light beam transmitted through the second intermediate portion is emitted, and wherein the gap is provided between the first intermediate portion and the second intermediate portion. ### Claim 3 (depends on 1) The optical module according to claim 1, wherein the lens member totally reflects a third light beam that reaches a first boundary surface between the first lens and the gap, and a fourth light beam that reaches a second boundary surface between the second lens and the gap, the third light beam and the fourth light beam being parts of the first light beam entered to the first lens and the second light beam entered to the second lens, respectively. ### Claim 4 (depends on 1) The optical module according to claim 1, wherein the lens member further includes a light shielding plate configured to shield the first light beam emitted from the first light source so as not to be entered to the second lens, and shield the second light beam emitted from the second light source so as not to be entered to the first lens, between the first lens and the second lens. ### Claim 5 (depends on 4) The optical module according to claim 4, wherein the first lens includes a first portion to which the first light beam emitted from the first light source is entered in the first lens, wherein the second lens includes a second portion to which the second light beam emitted from the second light source is entered in the second lens, and wherein the light shielding plate is provided between the first portion of the first lens and the second portion of the second lens. ### Claim 6 (depends on 4) The optical module according to claim 4, wherein the light shielding plate is provided at a portion that couples the first lens and the second lens. ### Claim 7 (depends on 1) The optical module according to claim 1, wherein the lens member further includes a first light shielding film configured to shield the second light beam so as not to be entered to the first lens, on the first lens, and a second light shielding film configured to shield the first light beam so as not to be entered to the second lens, on the second lens. ### Claim 8 (depends on 7) The optical module according to claim 7, wherein the first lens includes a first portion to which the first light beam is entered to the first lens, the first light shieling film being provided at adjacent to the first portion, wherein the second lens includes a second portion to which the second light beam is entered to the second lens, the second light shieling film being provided at adjacent to the second portion. ### Claim 9 (depends on 1) The optical module according to claim 1, wherein the gap is a slit parallel to an optical axis of the first lens and an optical axis of the second lens. ### Claim 10 (depends on 1) The optical module according to claim 1, wherein each of the first light source and the second light source is included in a plurality of n light sources, wherein each of the first lens and the second lens is included in a plurality of n lenses, wherein the gap is included in a plurality of n-1 gaps, and wherein n is a natural number equal to or greater than two. ### Claim 11 An optical module comprising: a first light receiver configured to receive a first light beam; a second light receiver configured to receive a second light beam; and a lens member configured to include: a first lens configured to transmit the first light beam and emit the first light beam to the first light receiver, a second lens provided adjacent to the first lens and configured to transmit the second light beam and emit the second light beam to the second light receiver, and a gap provided between the first lens and the second lens. ### Claim 12 (depends on 11) The optical module according to claim 11, wherein the first lens includes a first convex portion to which the first light beam is entered, a first intermediate portion through which the first light beam entered to the first convex portion is transmitted, and a second convex portion from which the first light beam transmitted through the first intermediate portion is emitted to the first light receiver, wherein the second lens includes a third convex portion to which the second light beam is entered, a second intermediate portion through which the second light beam entered to the third convex portion is transmitted, and a fourth convex portion from which the second light beam transmitted through the second intermediate portion is emitted to the second light receiver, and wherein the gap is provided between the first intermediate portion and the second intermediate portion of the lens member. ### Claim 13 (depends on 11) The optical module according to claim 11, wherein the lens member totally reflects a third light beam that reaches a first boundary surface between the first lens and the gap, and a fourth light beam that reaches a second boundary surface between the second lens and the gap, the third light beam and the fourth light beam being parts of the first light beam entered to the first lens and the second light beam entered to the second lens, respectively. ### Claim 14 (depends on 11) The optical module according to claim 11, wherein the lens member further includes a light shielding plate configured to shield the first light beam emitted from the first lens so as not to be entered to the second light receiver, and shield the second light beam emitted from the second lens so as not to be entered to the first light receiver, between the first lens and the second lens. ### Claim 15 (depends on 14) The optical module according to claim 14, wherein the first lens includes a first portion where the first light beam is emitted to the first light receiver, wherein the second lens includes a second portion where the second light beam is emitted to the second light receiver, and wherein the light shielding plate is provided between the first portion of the first lens and the second portion of the second lens. ### Claim 16 (depends on 14) The optical module according to claim 14, wherein the light shielding plate is provided at a portion that couples the first lens and the second lens. ### Claim 17 (depends on 11) The optical module according to claim 11, wherein the lens member further includes a first light shielding film configured to shield the second light beam so as not to be entered to the first light receiver, on the first lens, and a second light shielding film configured to shield the first light beam so as not to be entered to the second receiver, on the second lens. ### Claim 18 (depends on 17) The optical module according to claim 17, wherein the first light shielding film is provided at adjacent to a portion where the first light beam is emitted to the first light receiver, and wherein the second light shielding film is provided at adjacent to a portion where the second light beam is emitted to the second light receiver. ### Claim 19 (depends on 11) The optical module according to claim 11, wherein each of the first light receiver and the second light receiver is included in a plurality of n light receivers, wherein each of the first lens and the second lens is included in a plurality of n lenses, wherein the gap is included in a plurality of n-1 gaps, and wherein n is a natural number equal to or greater than two.