# US 2024/0201432 A1 · Lighting decoration module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201432 A1 - Document ID: US20240201432A1 - Status: Published application - Kind: A1 - Application number: 18/530,223 - Filed: 2023-12-06 - Published: 2024-06-20 - Earliest claimed: 2022-12-16 - Assignees: Champ Vision Display Inc. - Applicants: Champ Vision Display Inc. - Inventors: Chin-Ku Liu; Chung-Hao Wu; Hsin-Hung Lee; Chun-Chien Liao - Web page: https://patentgrep.com/patent/US20240201432A1 ## CPC - G02B 6/0036: {2-D arrangement of prisms, protrusions, indentations or roughened surfaces} - G02B 6/0055: {Reflecting element, sheet or layer} - G02B 6/0053: {Prismatic sheet or layer; Brightness enhancement element, sheet or layer} - G02B 6/0068: {Arrangements of plural sources, e.g. multi-colour light sources} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A lighting decoration module includes an LGP, at least one light source, and first and second optical microstructures. The LGP has at least one light incident surface and first and second light exit surfaces that are opposite to each other and connect the light incident surface. The light source corresponds to the light incident surface. The first optical microstructures are disposed on the first light exit surface and each has a first surface facing the light source. A first angle between the first surface and the first light exit surface is within a range from 40-60 degrees or 15-35 degrees. The second optical microstructures are disposed on the second light exit surface and each has a second surface facing the light source. A second angle between the second surface and the second light exit surface is within a range from 40-60 degrees. ## Claims ### Claim 1 Alighting decoration module, comprising: a light guide plate, having at least one light incident surface, a first light exit surface, and a second light exit surface, wherein the first light exit surface and the second light exit surface connect the at least one light incident surface and are opposite to each other; at least one light source, disposed corresponding to the at least one light incident surface of the light guide plate; a plurality of first optical microstructures, disposed on the first light exit surface of the light guide plate and each of the plurality of first optical microstructures having a first surface facing the at least one light source, wherein a first angle between the first surface and the first light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees; and a plurality of second optical microstructures, disposed on the second light exit surface of the light guide plate and each of the plurality of second optical microstructures having a second surface facing the at least one light source, wherein a second angle between the second surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 2 (depends on 1) The lighting decoration module according to claim 1, wherein the at least one light source comprises a first light source, the at least one light incident surface comprises a first light incident surface, the first light source is disposed on one side of the first light incident surface of the light guide plate, and the first surface of each of the plurality of first optical microstructures and the second surface of each of the plurality of second optical microstructures faces the first light source. ### Claim 3 (depends on 1) The lighting decoration module according to claim 1, wherein the at least one light source comprises a first light source and a second light source, the at least one light incident surface comprises a first light incident surface and a second light incident surface, the first light source is disposed on one side of the first light incident surface of the light guide plate, the second light source is disposed on one side of the second light incident surface of the light guide plate, the first surface of each of the plurality of first optical microstructures faces the first light source, and the second surface of each of the plurality of second optical microstructures faces the second light source. ### Claim 4 (depends on 3) The lighting decoration module according to claim 3, wherein the first light incident surface connects the second light incident surface. ### Claim 5 (depends on 3) The lighting decoration module according to claim 3, further comprising: a plurality of third optical microstructures, disposed on the first light exit surface of the light guide plate and each of the plurality of third optical microstructures having a third surface facing the second light source, wherein a third angle between the third surface and the first light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 6 (depends on 5) The lighting decoration module according to claim 5, further comprising: a plurality of fourth optical microstructures, disposed on the second light exit surface of the light guide plate and each of the plurality of fourth optical microstructures having a fourth surface facing the first light source, wherein a fourth angle between the fourth surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 7 (depends on 6) The lighting decoration module according to claim 6, further comprising: a plurality of fifth optical microstructures, disposed on the first light exit surface of the light guide plate; and a plurality of sixth optical microstructures, disposed on the second light exit surface of the light guide plate, wherein the at least one light source further comprises a third light source, the at least one light incident surface further comprises a third light incident surface, the third light source is disposed on one side of the third light incident surface of the light guide plate, each of the plurality of fifth optical microstructures has a fifth surface facing the third light source, a fifth angle between the fifth surface and the first light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees, each of the plurality of sixth optical microstructures has a sixth surface facing the third light source, and a sixth angle between the sixth surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 8 (depends on 7) The lighting decoration module according to claim 7, further comprising: a plurality of seventh optical microstructures, disposed on the first light exit surface of the light guide plate; and a plurality of eighth optical microstructures, disposed on the second light exit surface of the light guide plate, wherein the at least one light source further comprises a fourth light source, the at least one light incident surface further comprises a fourth light incident surface, the fourth light source is disposed on one side of the fourth light incident surface of the light guide plate, each of the plurality of seventh optical microstructures has a seventh surface facing the fourth light source, a seventh angle between the seventh surface and the first light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees, each of the plurality of eighth optical microstructures has an eighth surface facing the fourth light source, and an eighth angle between the eighth surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 9 (depends on 1) The lighting decoration module according to claim 1, wherein a profile of an orthogonal projection of the first optical microstructures on the first light exit surface and a profile of an orthogonal projection of the second optical microstructures on the second light exit surface have a bar shape or a crescent shape. ### Claim 10 Alighting decoration module, comprising: a light guide plate, having at least one light incident surface, a first light exit surface, and a second light exit surface, wherein the first light exit surface and the second light exit surface connect the at least one light incident surface and are opposite to each other; at least one light source, disposed corresponding to the at least one light incident surface of the light guide plate; a plurality of first optical microstructures, disposed on the first light exit surface of the light guide plate and each of the plurality of first optical microstructures having a first surface facing the at least one light source, wherein a first angle between the first surface and the first light exit surface is greater than or equal to 15 degrees and less than or equal to 35 degrees; and a plurality of second optical microstructures, disposed on the second light exit surface of the light guide plate and each of the plurality of second optical microstructures having a second surface facing the at least one light source, wherein a second angle between the second surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 11 (depends on 10) The lighting decoration module according to claim 10, wherein the at least one light source comprises a first light source, the at least one light incident surface comprises a first light incident surface, the first light source is disposed on one side of the first light incident surface of the light guide plate, and the first surface of each of the plurality of first optical microstructures and the second surface of each of the plurality of second optical microstructures faces the first light source. ### Claim 12 (depends on 10) The lighting decoration module according to claim 10, wherein the at least one light source comprises a first light source and a second light source, the at least one light incident surface comprises a first light incident surface and a second light incident surface, the first light source is disposed on one side of the first light incident surface of the light guide plate, the second light source is disposed on one side of the second light incident surface of the light guide plate, the first surface of each of the plurality of first optical microstructures faces the first light source, and the second surface of each of the plurality of second optical microstructures faces the second light source. ### Claim 13 (depends on 12) The lighting decoration module according to claim 12, wherein the first light incident surface connects the second light incident surface. ### Claim 14 (depends on 12) The lighting decoration module according to claim 12, further comprising: a plurality of third optical microstructures, disposed on the first light exit surface of the light guide plate and each of the plurality of third optical microstructures having a third surface facing the second light source, wherein a third angle between the third surface and the first light exit surface is greater than or equal to 15 degrees and less than or equal to 35 degrees. ### Claim 15 (depends on 14) The lighting decoration module according to claim 14, further comprising: a plurality of fourth optical microstructures, disposed on the second light exit surface of the light guide plate and each of the plurality of fourth optical microstructures having a fourth surface facing the first light source, wherein a fourth angle between the fourth surface and the second light exit surface is greater than or equal to 40 and less than or equal to 60 degrees. ### Claim 16 (depends on 15) The lighting decoration module according to claim 15, further comprising: a plurality of fifth optical microstructures, disposed on the first light exit surface of the light guide plate; and a plurality of sixth optical microstructures, disposed on the second light exit surface of the light guide plate, wherein the at least one light source further comprises a third light source, the at least one light incident surface further comprises a third light incident surface, the third light source is disposed on one side of the third light incident surface of the light guide plate, each of plurality of the fifth optical microstructures has a fifth surface facing the third light source, a fifth angle between the fifth surface and the first light exit surface is greater than or equal to 15 degrees and less than or equal to 35 degrees, each of plurality of the sixth optical microstructures has a sixth surface facing the third light source, and a sixth angle between the sixth surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 17 (depends on 16) The lighting decoration module according to claim 16, further comprising: a plurality of seventh optical microstructures, disposed on the first light exit surface of the light guide plate; and a plurality of eighth optical microstructures, disposed on the second light exit surface of the light guide plate, wherein the at least one light source further comprises a fourth light source, the at least one light incident surface further comprises a fourth light incident surface, the fourth light source is disposed on one side of the fourth light incident surface of the light guide plate, each of the plurality of seventh optical microstructures has a seventh surface facing the fourth light source, a seventh angle between the seventh surface and the first light exit surface is greater than or equal to 15 degrees and less than or equal to 35 degrees, each of the plurality of eighth optical microstructures has an eighth surface facing the fourth light source, and an eighth angle between the eighth surface and the second light exit surface is greater than or equal to 40 degrees and less than or equal to 60 degrees. ### Claim 18 (depends on 10) The lighting decoration module according to claim 10, wherein a profile of an orthogonal projection of the first optical microstructures on the first light exit surface has a circular shape. ### Claim 19 (depends on 10) The lighting decoration module according to claim 10, wherein a profile of an orthogonal projection of the second optical microstructures on the second light exit surface has a bar shape or a crescent shape.