# US 12,604,590 B2 · Light emitting module and display device comprising reflective layer surrounding the light emitting units > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,590 B2 - Document ID: US12604590B2 - Status: Granted - Kind: B2 - Application number: 17/668,948 - Filed: 2022-02-10 - Published: 2022-09-15 - Granted: 2026-04-14 - Earliest claimed: 2021-03-10 - Assignees: Innolux Corporation - Applicants: InnoLux Corporation - Inventors: Li-Wei Sung; Hsuan-Yu Yu; Chien-Tzu Chu; Chueh-Yuan Nien; Chia-Lun Chen; Kuo-Tsun Huang - Web page: https://patentgrep.com/patent/US12604590B2 ## CPC - H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout} - H10W 90/00: Package configurations - G02F 1/133605: {including specially adapted reflectors} - H10H 20/814: having reflecting means, e.g. semiconductor Bragg reflectors - H10H 20/853: characterised by their shape - H10H 20/856: Reflecting means - G02F 1/133603: {with LEDs} - G02F 1/133614: {using photoluminescence, e.g. phosphors illuminated by UV or blue light} - H10H 20/852: Encapsulations - H10H 20/882: {Scattering means (H10H20/82 takes precedence)} - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS ## Abstract A light emitting module and a display device including the same are disclosed. The light emitting module including: a substrate; a plurality of light emitting units disposed on the substrate; a plurality of encapsulating elements covering the plurality of light emitting units; and a reflective layer surrounding each of the plurality of light emitting units. ## Claims ### Claim 1 A light emitting module, comprising: a substrate; a reflective layer disposed on a surface of the substrate, wherein the reflective layer comprises a first reflective portion, a second reflective portion and a third reflective portion, a first opening is disposed between the first reflective portion and the second reflective portion, and a second opening is disposed between the second reflective portion and the third reflective portion; a first encapsulated light emitting unit disposed in the first opening of the reflective layer, wherein the first encapsulated light emitting unit comprises a first light emitting unit and a first encapsulating element covering the first light emitting unit; and a second encapsulated light emitting unit disposed adjacent to the first encapsulated light emitting unit, and disposed in the second opening of the reflective layer, wherein the second encapsulated light emitting unit comprises a second light emitting unit and a second encapsulating element covering the second light emitting unit, wherein in a direction perpendicular to the surface of the substrate, the first encapsulating element of the first encapsulated light emitting unit is not overlapped with the reflective layer, and the second encapsulating element of the second encapsulated light emitting unit is not overlapped with the reflective layer; wherein the second reflective portion is disposed between the first encapsulated light emitting unit and the second encapsulated light emitting unit, and the second reflective portion of the reflective layer comprises another surface opposite to the surface of the substrate, and the another surface of the second reflective portion of the reflective layer comprises a recess concaving toward the substrate. ### Claim 2 (depends on 1) The light emitting module of claim 1, wherein the reflective layer is in contact with the plurality of encapsulating elements. ### Claim 3 (depends on 2) The light emitting module of claim 2, wherein a portion of the reflective layer is disposed on at least one of the plurality of encapsulating elements. ### Claim 4 (depends on 1) The light emitting module of claim 1, further comprising a lens disposed on at least one of the plurality of encapsulating elements. ### Claim 5 (depends on 1) The light emitting module of claim 1, wherein at least one of the first encapsulating element and the second encapsulating element is a lens. ### Claim 6 (depends on 1) The light emitting module of claim 1, wherein a reflectivity of the reflective layer is greater than or equal to 85% and less than or equal to 98%. ### Claim 7 (depends on 1) The light emitting module of claim 1, wherein the reflective layer comprises a glue material. ### Claim 8 (depends on 1) The light emitting module of claim 1, further comprising a reflective sheet having a plurality of openings, wherein at least one of the plurality of light emitting units is disposed in at least one of the plurality of openings, and a portion of the reflective layer is disposed in the at least one of the plurality of openings. ### Claim 9 (depends on 8) The light emitting module of claim 8, wherein a reflectivity of the reflective layer is less than a reflectivity of the reflective sheet, and a difference between the reflectivity of the reflective layer and the reflectivity of the reflective sheet is less than or equal to 10%. ### Claim 10 (depends on 9) The light emitting module of claim 9, wherein the difference between the reflectivity of the reflective layer and the reflectivity of the reflective sheet is less than or equal to 5%. ### Claim 11 (depends on 1) The light emitting module of claim 1, further comprising a first housing, the first encapsulated light emitting unit comprises the first housing, and the first light emitting unit and the first encapsulating element are disposed in the first housing. ### Claim 12 (depends on 1) The light emitting module of claim 1, wherein the reflective layer has a wall structure. ### Claim 13 (depends on 12) The light emitting module of claim 12, wherein a height of the wall structure is greater than heights of the plurality of light emitting units. ### Claim 14 (depends on 12) The light emitting module of claim 12, wherein a height of the wall structure is greater than heights of the plurality of encapsulating elements. ### Claim 15 A display device, comprising: a light emitting module, comprising: a substrate; a reflective layer disposed on a surface of the substrate, wherein the reflective layer comprises a first reflective portion, a second reflective portion and a third reflective portion, a first opening is disposed between the first reflective portion and the second reflective portion, a second opening is disposed between the second reflective portion and the third reflective portion; a first encapsulated light emitting unit disposed in the first opening of the reflective layer, wherein the first encapsulated light emitting unit comprises a first light emitting unit and a first encapsulating element covering the first light emitting unit; and a second encapsulated light emitting unit disposed adjacent to the first encapsulated light emitting unit, and disposed in the second opening of the reflective layer, wherein the second encapsulated light emitting unit comprises a second light emitting unit and a second encapsulating element covering the second light emitting unit, wherein in a direction perpendicular to the surface of the substrate, the first encapsulating element of the first encapsulated light emitting unit is not overlapped with the reflective layer, and the second encapsulating element of the second encapsulated light emitting unit is not overlapped with the reflective layer; wherein the second reflective portion is disposed between the first encapsulated light emitting unit and the second encapsulated light emitting unit, and the second reflective portion of the reflective layer comprises another surface opposite to the surface of the substrate, and the another surface of the second reflective portion of the reflective layer comprises a recess concaving toward the substrate; and a display panel disposed on the light emitting module.