# US 9,004,703 B2 · Method for generating diffuse reflection light and device thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,004,703 B2 - Document ID: US9004703B2 - Status: Granted - Kind: B2 - Application number: 13/580,286 - Filed: 2010-09-28 - Published: 2013-08-01 - Granted: 2015-04-14 - Earliest claimed: 2010-04-09 - Applicants: Bing Li - Inventors: Bing Li - Web page: https://patentgrep.com/patent/US9004703B2 ## CPC - F21V 7/16: with provision for adjusting the curvature - F21V 14/00: Controlling the distribution of the light emitted by adjustment of elements (reflectors with provision for adjusting the curvature F21V7/16; light filters or the like with provision for controlling the colour or intensity F21V9/40; screens using adjustable parallel laminae or strips F21V11/04; screens using iris-type diaphragms F21V11/10; screens using movable sheets without apertures F21V11/18; adjustable mountings for lighting devices F21V21/14) - F21V 14/04: by movement of reflectors {(in vehicle head lamps F21S41/675)} - F21V 14/06: by movement of refractors {(in vehicle head lamps F21S41/635)} - F21Y 2115/10: Light-emitting diodes [LED] - G03B 15/02: Illuminating scene - G03B 2215/0525: Reflector - G03B 2215/0528: movable reflector, e.g. change of illumination angle or illumination direction - G03B 2215/0582: Reflectors - G03B 2215/0585: Movable reflectors, e.g. change of illumination angle or direction - G03B 2215/0589: Diffusors, filters or refraction means - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) ## Abstract A method for generating diffuse reflection light and a diffuse reflection lamp are provided. The diffuse reflection lamp comprises a reflective plate (10), a connector (20) and a dragging device (40). The reflective plate (10) is removably fixed on the lamp by the connector (20) to reflect the light from the lamp. One end of the dragging device (40) is connected with the reflective plate (10), and the other end is connected with the connector (20); or the dragging device (40) hoops around the outer edge of the reflective plate (10). Therefore, the reflective plate (10) is elastically bended toward and formed into a curved arc surface to collect the diffuse reflection light. ## Claims ### Claim 1 A method for generating diffuse reflection light, which is based on a luminescent lamp, comprising the following steps: A. detachably fixing a reflector on the luminescent lamp by means of a connector; and B. elastically bending the reflector forwards by means of a pulling device in order to focus the diffuse reflection light, wherein one end of the pulling device is connected or sleeved with the reflector, and another end of the pulling device is connected with the connector, wherein the reflector is an elastic plate made of metal, or fiber, and reinforcing members arranged on a backside of the reflector, wherein the pulling device is a semitransparent soft light diffuser covering the reflector, having an upper end of which is connected or sleeved with the reflector, two sides of which are both connected or sleeved with the reflector, and a lower end of the pulling device is connected with the connector, the dimension of the soft light diffuser being changed when the soft light diffuser is contracted, causing the reflector to bent to a different extent; the soft light diffuser further comprises a connecting adhesive buckle, which is positioned at the lower end of the soft light diffuser and adhesively fixed on the connector to fix the lower part of the diffuser and pull the reflector, wherein the reflector is bent to various extents by adjusting a vertical connecting position of the connector and connecting adhesive buckle, therefore leading to a diffuse reflection effect, and generating soft light. ### Claim 2 (depends on 1) The method according to claim 1 wherein: the reflector is a solid plate. ### Claim 3 (depends on 2) The method according to claim 2 wherein: a surface of the reflector is covered by light reflecting material. ### Claim 4 (depends on 1) The method according to claim 1, wherein: the reflector is a hollowed-out plate. ### Claim 5 (depends on 4) The method according to claim 4, wherein: light reflecting thin films are adhered to a surface of the reflector. ### Claim 6 (depends on 5) The method according to claim 5, wherein: the reinforcing bars and/or the reinforcing plates are arranged at an unhallowed-out part of the reflector. ### Claim 7 (depends on 1) The method according to claim 1, wherein: the reflector is foldable, with every two folding parts of blades thereof being linked with each other through a hinge or a flexible foldable material. ### Claim 8 (depends on 7) The method according to claim 7, wherein: an end of the folding part of the reflector is provided with a buckle so that the blades of the reflector are located at the same curved surface after being bent. ### Claim 9 (depends on 1) The method according to claim 1, wherein: an edge of the reflector is provided with a gap which is covered by light reflecting thin films. ### Claim 10 (depends on 1) The method according to claim 1, wherein: the connector is a binding tape or an elastic tape whose end is provided with a nylon hasp, a sticking surface, an elastic buckle and a quick release buckle, or a clamping installation structure or a quick release screw structure. ### Claim 11 (depends on 1) The method according to claim 1, wherein: the pulling device is a molding tape, one end of which is connected and/or sleeved with an upper part of the reflector and the other end of which is connected with the connector, therefore leading to diffuse reflection effect. ### Claim 12 (depends on 11) The device according to claim 11, wherein: the reflector can be bent to various extents by adjusting a length of the molding tape or a vertical connection position with the connector, therefore changing equivalent luminescent area. ### Claim 13 (depends on 1) The method according to claim 1, wherein: after step A is implemented, a connection angle adjusting device, which is used for adjusting a connection angle γ during the connection of the reflector with the luminescent lamp, is added between a root of the reflector and the luminescent lamp. ### Claim 14 (depends on 13) The method according to claim 13, wherein: the connection angle adjusting device is a wedge-shaped cushion block; the connection angle γ between the reflector and the luminescent lamp is adjusted by adjusting a height and/or upper and lower edges of the wedge-shaped cushion block. ### Claim 15 A device for generating diffuse reflection light, comprising a luminescent lamp, wherein: the device further comprises a reflector reflecting the light of the luminescent lamp, a connector integrally connecting the reflector with the luminescent lamp and a pulling device enabling the reflector to be elastically bent forwards; the reflector is detachably fixed on the luminescent lamp by means of the connector and used for reflecting the light of the luminescent lamp; one end of the pulling device is connected or sleeved with the reflector and another end is connected with the connector, to be elastically bent forwards, thus the reflector forms a curved surface, wherein the reflector is an elastic plate made of metal or fiber, and reinforcing members arranged on a backside of the reflector, wherein the pulling device is a semitransparent soft light diffuser covering the reflector, having an upper end of which is connected or sleeved with the reflector, two sides of which are both connected or sleeved with the reflector, and a lower end of the pulling device is connected with the connector, a dimension of the soft light diffuser being changed when the soft light diffuser is contracted, causing the reflector to bent to a different extent; the soft light diffuser further comprises a connecting adhesive buckle, which is positioned at the lower end of the soft light diffuser and adhesively fixed on the connector to fix the lower part of the diffuser and pull the reflector, wherein the reflector is bent to various extents by adjusting the vertical connecting position of the connector and connecting adhesive buckle, therefore leading to a diffuse reflection effect, and generating soft light. ### Claim 16 (depends on 15) The device light according to claim 15, wherein: the reflector is round, elliptical or polygonal. ### Claim 17 (depends on 16) The device according to claim 16, wherein: the reflector is a metal plate, a plastic plate or a fiber plate. ### Claim 18 (depends on 16) The device according to claim 16, wherein: the reflector is a solid plate. ### Claim 19 (depends on 16) The device according to claim 16, wherein: the reflector is a hollowed-out plate. ### Claim 20 (depends on 19) The device according to claim 19, wherein: light reflecting thin films are adhered to a surface of the reflector. ### Claim 21 (depends on 20) The device according to claim 20, wherein: the reinforcing bars and/or the reinforcing plates are arranged at an unhallowed-out part of the reflector. ### Claim 22 (depends on 15) The device according to claim 15, wherein: a surface of the reflector is covered by a light reflecting material. ### Claim 23 (depends on 15) The device according to claim 15, wherein: the reflector is foldable, with folding parts being linked through a hinge or a flexible foldable material. ### Claim 24 (depends on 23) The device according to claim 23, wherein: an end of the folding part of the reflector is provided with a buckle so that blades of the reflector are located at the same curved surface after being bent. ### Claim 25 (depends on 15) The device according to claim 15, wherein: an edge of the reflector is provided with a gap which is covered by light reflecting thin films. ### Claim 26 (depends on 15) The device according to claim 15, wherein: the connector is a binding tape or an elastic tape whose end is provided with a nylon hasp, a sticking surface, an elastic buckle and a quick release buckle, or a clamping installation structure or a quick release screw structure. ### Claim 27 (depends on 15) The device according to claim 15, wherein: a circumference of the soft light diffuser is provided with an opened hollow positioning edging inside which a tensioning tape passes through; two ends of the tensioning tape are connected with each other at an opening of the hollow positioning edging, and the soft light diffuser can be tightly hooped on the reflector by adjusting the tensioning tape. ### Claim 28 (depends on 27) The device according to claim 27, wherein: the tensioning tape is an elastic tape, a fastening tape or a rope. ### Claim 29 (depends on 15) The device according to claim 15, wherein: the connecting adhesive buckle is an adhesive buckle, a snap fastener, a hook buckle or a lace. ### Claim 30 (depends on 15) The device according to claim 15, wherein: the pulling device is a molding tape, one end of which is connected and/or sleeved with an upper part of the reflector and the other end of which is connected with the connector, and leading to diffuse reflection effect. ### Claim 31 (depends on 30) The device according to claim 30, wherein: the molding tape comprises a positioning adhesive buckle, which is adhesively connected to the connector to fix the molding tape. ### Claim 32 (depends on 30) The device according to claim 30, wherein: the reflector can be bent to various extents by adjusting a length of the molding tape or a vertical connection position with the connector, therefore changing equivalent luminescent area and a primary direction light radiation. ### Claim 33 (depends on 31) The device according to claim 31, wherein: the positioning adhesive buckle is an adhesive buckle, a snap fastener, a hook buckle or a lace. ### Claim 34 (depends on 15) The device according to claim 15, wherein: the device further comprises an angle adjusting device, which is arranged between a root. ### Claim 35 (depends on 34) The device according to claim 34, wherein: the angle adjusting device is a wedge-shaped cushion block; a connection angle γ between the reflector and the luminescent lamp is adjusted by adjusting a height and/or upper and lower edges of the wedge-shaped cushion block. ### Claim 36 (depends on 35) The device according to claim 35, wherein: the wedge-shaped cushion block is a rectangular block consisting of two blocks with trapezoidal section. ### Claim 37 (depends on 15) The device according to claim 15, wherein: the connector further comprises a first fixing bracket, which is mounted on the connector and used for supporting the molding device for generating diffuse reflection light, or used as a mounting bracket. ### Claim 38 (depends on 15) The device according to claim 15, wherein: the connector further comprises a second fixing bracket, the connector connects the second fixing bracket with the luminescent lamp integrally and fixedly, and one end of the second fixing bracket is detachably fixed at a middle part of the reflector. ### Claim 39 (depends on 38) The device according to claim 38, wherein: one end of the second fixing bracket is an L-shaped hook, which is embedded into the middle part of the reflector, and is fixed therewith in a manner of clamped connection.