# US 11,305,028 B2 · Light source module and ultraviolet ray irradiating apparatus 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 11,305,028 B2 - Document ID: US11305028B2 - Status: Granted - Kind: B2 - Application number: 16/971,257 - Filed: 2019-02-20 - Published: 2020-12-10 - Granted: 2022-04-19 - Earliest claimed: 2018-02-20 - Assignees: Suzhou Lekin Semiconductor Co., Ltd. - Applicants: Suzhou Lekin Semiconductor Co., Ltd. - Inventors: Dae Hun Kim; Ki Hyun Kim; Sang Hun An - Web page: https://patentgrep.com/patent/US11305028B2 ## CPC - A61L 2/10: Ultraviolet [UV] radiation - A61L 2/04: Heat (radiation A61L2/08) - B66B 31/02: for handrails - A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - B66B: ELEVATORS; ESCALATORS OR MOVING WALKWAYS ({apparatus for raising or lowering persons on theatrical stages or the like A63J5/12} ; funicular railbound systems with rigid ground-supported tracks and cable traction, e.g. cliff railways, B61B9/00; arrangements of ammunition handlers in vessels B63G3/00; hoists, lifts, or conveyors for loading or unloading in general B65G; braking or detent devices controlling normal movements of winding drums or barrels B66D; ship-lifting devices E02C; garages for many vehicles with mechanical means for lifting vehicles E04H6/12; hoists for feeding ammunition or projectiles to launching apparatus or to loading mechanisms F41A9/00) ## Abstract An embodiment discloses a light source module including: a fixing plate configured to extend in a first direction; a circuit board disposed on the fixing plate; a plurality of ultraviolet light emitting elements disposed on the circuit board in the first direction; a first reflection plate coupled to one side of the fixing plate; and a second reflection plate coupled to the other side of the fixing plate, wherein the first reflection plate and the second reflection plate include inclined surfaces which become closer to each other as the distance from the circuit board increases and the inclined surface of the first reflection plate and the inclined surface of the second reflection plate are disposed to be spaced apart in the first direction and disposed on a side surface of a target structure, and an ultraviolet ray irradiating apparatus including the same. ## Claims ### Claim 1 A light source module comprising: a fixing plate configured to extend in a first direction; a circuit board disposed on the fixing plate; a plurality of ultraviolet light emitting elements disposed on the circuit board in the first direction; a first reflection plate disposed at one side of the fixing plate; and a second reflection plate disposed at the other side of the fixing plate, wherein the first reflection plate and the second reflection plate include curved surfaces which become closer to each other as a distance from the circuit board increases, and wherein the curved surface of the first reflection plate and the curved surface of the second reflection plate are spaced apart in the first direction and disposed on side surfaces of a target structure. ### Claim 2 (depends on 1) The light source module of claim 1, wherein: the curved surface has a maximum separation point spaced farthest apart in a vertical direction from a virtual straight line which connects an upper end portion of the curved surface and a lower end portion of the curved surface; and a ratio (L1:W4) between a length (L1) of the virtual straight line and a distance (W4) between the virtual straight line and the maximum separation point is greater than or equal to 1:0.088 and smaller than 1:0.205. ### Claim 3 (depends on 2) The light source module of claim 2, wherein a first vertical distance from the upper end portion of the curved surface to the maximum separation point is greater than a second vertical distance from the maximum separation point to the lower end portion of the curved surface. ### Claim 4 (depends on 3) The light source module of claim 3, wherein the first vertical distance is 3.5 to five times the second vertical distance. ### Claim 5 (depends on 1) The light source module of claim 1, further comprising: a first engaging member configured to fix the first reflection plate to the one side of the fixing plate; and a second engaging member configured to fix the second reflection plate to the other side of the fixing plate. ### Claim 6 (depends on 1) The light source module of claim 1, wherein: the first reflection plate includes a first supporting plate fixed to the one side of the fixing plate and a first reflection member disposed on one surface of the first supporting plate; the second reflection plate includes a second supporting plate fixed to the other side of the fixing plate and a second reflection member disposed on one surface of the second supporting plate; and the one surface of the first supporting plate and the one surface of the second supporting plate face each other. ### Claim 7 (depends on 6) The light source module of claim 6, wherein a first direction distance between the first reflection member and the second reflection member decreases as the distance from the circuit board increases. ### Claim 8 (depends on 1) The light source module of claim 1, wherein the fixing plate includes a base portion to which the circuit board, the first reflection plate, and the second reflection plate are fixed, a bent portion vertically bent from the base portion, and a protruding portion bent from the bent portion to be parallel with the base portion. ### Claim 9 (depends on 1) The light source module of claim 1, further comprising a third reflection plate and a fourth reflection plate spaced apart from each other on the circuit board in a second direction perpendicular to the first direction, wherein the third reflection plate and the fourth reflection plate extend in the first direction, and wherein a second direction distance between the third reflection plate and the fourth reflection plate increases as the distance from the circuit board increases. ### Claim 10 (depends on 9) The light source module of claim 9, further comprising: a fifth reflection plate disposed on the circuit board and configured to connect the third reflection plate and the fourth reflection plate, wherein the fifth reflection plate includes a plurality of holes formed in the first direction, and wherein the plurality of ultraviolet light emitting elements are disposed in the plurality of holes, respectively. ### Claim 11 (depends on 1) The light source module of claim 1, wherein each of the curved surfaces of the first reflection plate and the second reflection plate reflects some of light emitted from the plurality of ultraviolet light emitting elements to irradiate the side surface of the target structure with the light. ### Claim 12 (depends on 11) The light source module of claim 11, wherein the target structure is a handrail. ### Claim 13 An ultraviolet ray irradiating apparatus comprising: a housing; a coupling part configured to fix the housing to a target structure; a light source module configured to irradiate the target structure with light; and a power module configured to supply power to the light source module, wherein the light source module includes a fixing plate configured to extend in a first direction, a circuit board disposed on the fixing plate, a plurality of ultraviolet light emitting elements disposed on the circuit board in the first direction, a first reflection plate coupled to one side of the fixing plate, and a second reflection plate coupled to the other side of the fixing plate, wherein the first reflection plate and the second reflection plate include curved surfaces which become closer to each other as a distance from the circuit board increases, and wherein the curved surface of the first reflection plate and the curved surface of the second reflection plate are spaced apart in the first direction and disposed on a side surface of a target structure. ### Claim 14 (depends on 13) The ultraviolet ray irradiating apparatus of claim 13, wherein the power module rotates by movement of the target structure to generate power. ### Claim 15 (depends on 13) The ultraviolet ray irradiating apparatus of claim 13, wherein each of the curved surfaces of the first reflection plate and the second reflection plate reflects some of light emitted from the plurality of ultraviolet light emitting elements to irradiate side surfaces of the target structure with the light. ### Claim 16 (depends on 13) The ultraviolet ray irradiating apparatus of claim 13, wherein the fixing plate includes a base portion to which the circuit board, the first reflection plate, and the second reflection plate are fixed, a bent portion disposed to be perpendicular to the base portion, and a protruding portion bent from the bent portion to be parallel with the base portion. ### Claim 17 (depends on 16) The ultraviolet ray irradiating apparatus of claim 16, wherein the protruding portion is inserted into a guide hole disposed in the housing. ### Claim 18 (depends on 13) The ultraviolet ray irradiating apparatus of claim 13, wherein the light source module includes a first engaging member configured to fix the first reflection plate to the one side of the fixing plate, and a second engaging member configured to fix the second reflection plate to the other side of the fixing plate. ### Claim 19 (depends on 13) The ultraviolet ray irradiating apparatus of claim 13, wherein: the first reflection plate includes a first supporting plate fixed to the one side of the fixing plate and a first reflection member disposed on one surface of the first supporting plate; the second reflection plate includes a second supporting plate fixed to the other side of the fixing plate and a second reflection member disposed on one surface of the second supporting plate; and the one surface of the first supporting plate and the one surface of the second supporting plate face each other. ### Claim 20 (depends on 19) The ultraviolet ray irradiating apparatus of claim 19, wherein a first direction distance between the first reflection member and the second reflection member decreases as the distance from the circuit board increases.