WO2022183949A1 - Module émetteur de lumière et lampe de table - Google Patents

Module émetteur de lumière et lampe de table Download PDF

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Publication number
WO2022183949A1
WO2022183949A1 PCT/CN2022/077401 CN2022077401W WO2022183949A1 WO 2022183949 A1 WO2022183949 A1 WO 2022183949A1 CN 2022077401 W CN2022077401 W CN 2022077401W WO 2022183949 A1 WO2022183949 A1 WO 2022183949A1
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WO
WIPO (PCT)
Prior art keywords
light
arc
shaped reflective
reflective area
module according
Prior art date
Application number
PCT/CN2022/077401
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English (en)
Chinese (zh)
Inventor
黄建锋
Original Assignee
北京字节跳动网络技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202110246037.2A external-priority patent/CN115013754B/zh
Priority claimed from CN202110246032.XA external-priority patent/CN115013753A/zh
Application filed by 北京字节跳动网络技术有限公司 filed Critical 北京字节跳动网络技术有限公司
Publication of WO2022183949A1 publication Critical patent/WO2022183949A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Definitions

  • the present application relates to the field of lighting equipment, for example, to a light-emitting module and a desk lamp.
  • Desk lamp is an indispensable household appliance in people's daily life. It is mainly placed on writing desks, computer desks, and dining tables for lighting purposes. The illumination range of desk lamps is relatively small and concentrated, so it will not affect the light of the entire room. , will not affect the rest of family members or friends, the light is limited around the desk lamp, easy to read, study, low power consumption, save power.
  • the light emitted by the desk lamp is relatively concentrated, and it will irritate the eyes when it is reflected on the desktop. If the light intensity is lowered, it cannot meet the brightness requirements, which will have a relatively obvious negative impact on the user's concentration, resulting in the use of The user has visual fatigue, and over time, it is easy to cause the user's eyesight to decline.
  • the present application provides a light-emitting module and a desk lamp, which can improve the uniformity of light in an irradiated area and are less likely to cause visual fatigue.
  • a light-emitting module including:
  • the light source module includes a first light bar, and a plurality of first light-emitting elements are arranged on the first light bar at intervals;
  • a reflective cup comprising a first arc-shaped reflective area and a second arc-shaped reflective area connected, the second arc-shaped reflective area is arranged on the side of the first arc-shaped reflective area away from the first light bar, The degree of curvature of the first arc-shaped reflective area is smaller than that of the second arc-shaped reflective area.
  • the light-emitting module further includes a light-transmitting component, and the light-transmitting component includes a light-transmitting plate, and a plurality of light-guiding bumps are arranged in an array on the light-transmitting plate.
  • the light guide bumps are all provided with light guide slopes, and the light guide slopes are inclined relative to the light-transmitting plate.
  • the light source module further includes a second light bar, the second light bar and the first light bar are arranged at an angle, and a plurality of first light bars are arranged on the second light bar at intervals.
  • the first arc-shaped reflective area adopts a polycarbonate (Polycarbonate, PC) high-gloss structure
  • the second arc-shaped reflective area adopts an electroplating high-gloss structure
  • a desk lamp includes the above-mentioned light-emitting module.
  • FIG. 1 is a schematic structural diagram of a light-emitting module provided by a specific embodiment of the present application from a viewing angle;
  • FIG. 2 is a schematic structural diagram of a light-emitting module provided by a specific embodiment of the present application from another viewing angle;
  • FIG. 3 is a schematic cross-sectional view of a light-emitting module provided by a specific embodiment of the present application.
  • FIG. 4 is an exploded schematic diagram of a light-emitting module provided by a specific embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a reflector in a light-emitting module provided by a specific embodiment of the present application.
  • 1-light source module 2-reflector; 3-transparent component;
  • 31-light-transmitting plate 311-light guide bump; 32-grating.
  • the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” etc. refer to the orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation on this application. Furthermore, the terms “first” and “second” are used for descriptive purposes only and should not be construed to indicate or imply relative importance. Therein, the terms “first position” and “second position” are two different positions.
  • connection should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components.
  • connection should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components.
  • this embodiment provides a light-emitting module, the light-emitting module includes a light source module 1 and a reflector 2 .
  • the light source module 1 includes a first light bar 11 , and a plurality of first light-emitting elements 111 are arranged on the first light bar 11 at intervals.
  • the reflective cup 2 includes a first arc-shaped reflective area 21 and a second arc-shaped reflective area 22 that are connected.
  • the second arc-shaped reflective area 22 is disposed on the side of the first arc-shaped reflective area 21 away from the first light bar 11.
  • the degree of curvature of one arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 22 .
  • the curvature of the first arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 22, and the first arc-shaped reflective area 21 is curved.
  • the light emitted by the first light-emitting element 111 on a light bar 11 is reflected to the light-transmitting plate 31 through the first arc-shaped reflective area 21 of the reflector 2 , and is projected to a far area through the light-transmitting plate 31 .
  • the first light-emitting element 111 The emitted light is reflected to the translucent plate 31 through the second arc-shaped reflective area 22 of the reflective cup 2 , and projected to a nearer area through the translucent plate 31 , thereby improving the uniformity of light in the illuminated area.
  • this embodiment provides a light-emitting module, which includes a light source module 1 , a reflector 2 and a light-transmitting component 3 .
  • the light source module 1 includes a first light bar 11 , and a plurality of first light-emitting elements 111 are arranged on the first light bar 11 at intervals.
  • the reflective cup 2 includes a first arc-shaped reflective area 21 and a second arc-shaped reflective area 22 that are connected.
  • the second arc-shaped reflective area 22 is disposed on the side of the first arc-shaped reflective area 21 away from the first light bar 11.
  • the degree of curvature of one arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 22 .
  • the light-transmitting assembly 3 includes a light-transmitting plate 31 , a plurality of light-guiding bumps 311 are arranged in an array on the light-transmitting plate 31 , each light-guiding bump 311 is provided with a light-guiding slope, and the light-guiding slope is inclined relative to the light-transmitting plate 31 . set up.
  • the curvature of the first arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 22, and the first arc-shaped reflective area 21 is curved.
  • the light emitted by the first light-emitting element 111 on a light bar 11 is reflected to the light-transmitting plate 31 through the first arc-shaped reflective area 21 of the reflector 2 , and is projected to a far area through the light-transmitting plate 31 .
  • the first light-emitting element 111 The emitted light is reflected to the translucent plate 31 through the second arc-shaped reflective area 22 of the reflective cup 2 , and projected to a nearer area through the translucent plate 31 , thereby improving the uniformity of light in the illuminated area.
  • each light-guiding bump 311 is provided with a light-guiding slope, the light-guiding slope is inclined relative to the light-transmitting plate 31 , and light passes through the
  • the exit angle is changed to make the light in the irradiation area uniform, and the light in the irradiation area is close to natural light, which is not easy to cause visual fatigue, and improves the efficiency of work and study.
  • a plurality of first light-emitting elements 111 are distributed along the length direction of the first light bar 11, and the distances between at least two first light-emitting elements 111 and the light-transmitting plate 31 increase sequentially.
  • the first light-emitting element 111 is closer to the first arc-shaped reflection area 21 of the reflector 2, so that more light can pass through the first arc-shaped reflection.
  • the area 21 is reflected to the light-transmitting plate 31 and projected to a nearer area through the light-transmitting plate 31, so as to improve the uniformity of light in the illuminated area.
  • the light source module 1 further includes a second light bar 12 , the second light bar 12 and the first light bar 11 are arranged at an angle, and a plurality of second light emitting elements 121 are arranged on the second light bar 12 at intervals.
  • the second light bar 12 and the first light bar 11 are arranged at an angle of approximately 90 degrees, and the second light bar 12 is used as a compensation light source to improve the uniformity of light in the irradiation area.
  • the plurality of second light-emitting elements 121 are uniformly distributed along the length direction of the second light bar 12 , and the light-guiding slopes are inclined toward the second light-emitting elements 121 .
  • the first light-emitting element 111 and the second light-emitting element 121 are both red-green-blue-white (Red-Green-Blue-White, RGBW) lamp beads or RGBWW lamp beads.
  • RGBW lamp beads or RGBWW lamp beads as the light source can improve the controllability of the light spectrum and improve the comfort of the user.
  • the reflective cup 2 further includes a third arc-shaped reflective area 23, the third arc-shaped reflective area 23 is disposed on the side of the reflective cup 2 away from the second light bar 12, and the third arc-shaped reflective area 23 is connected to the first arc.
  • the arc-shaped reflective area 21 and the second arc-shaped reflective area 22 are connected.
  • the bending degree of the third arc-shaped reflective area 23 is substantially the same as that of the second arc-shaped reflective area 22 .
  • the first arc-shaped reflective area 21 is provided with a plurality of protrusions. Diffuse reflection microstructures are formed by a plurality of protrusions, so as to reduce the intensity of light reflected by the first arc-shaped reflection area 21 .
  • the second arc-shaped reflective area 22 may be configured as a high-gloss structure, so as to increase the intensity of the light reflected by the second arc-shaped reflective area 22, so as to make the light in the irradiation area uniform.
  • the first light bar 11 and the light-transmitting plate 31 are arranged at an obtuse angle. Since the first light bar 11 and the light-transmitting plate 31 are arranged at an obtuse angle, the light-transmitting plate 31 is usually arranged horizontally, that is, the first light bar 11 is arranged obliquely, so that the first light-emitting element 111 can fully irradiate light to the reflector 2 .
  • the light-transmitting plate 31 is made of PC transparent material.
  • PC transparent material improves the light transmission efficiency of the light transmission plate 31, and at the same time reduces the processing and manufacturing cost.
  • the light-transmitting component 3 further includes a grating 32 .
  • the grating 32 is disposed on the light-emitting surface of the light-transmitting plate 31 , and the grating 32 is in the shape of a honeycomb.
  • the grating 32 can be fixed on the light-transmitting plate 31 by means of bonding, or can be integrally formed with the light-transmitting plate 31 .
  • the grating 32 can block a part of the light, improve the softness of the light, avoid the glare of the light, and improve the comfort of the user.
  • the curvature of the first arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 21 .
  • the light emitted by the first light-emitting element 111 on the first light bar 11 is reflected to the light-transmitting plate 31 through the first arc-shaped reflective area 21 of the reflective cup 2 , and projected to the light-transmitting plate 31 through the light-transmitting plate 31
  • the light emitted by the first light-emitting element 111 is reflected to the light-transmitting plate 31 through the second arc-shaped reflecting area 22 of the reflector 2, and is projected to the nearer area through the light-transmitting plate 31, which improves the uniformity of the light in the illuminated area.
  • the light-transmitting plate 31 is provided with a plurality of light-guiding bumps 311 in an array, and each light-guiding bump 311 is provided with a light-guiding slope, the light-guiding slope is inclined relative to the light-transmitting plate 31, and the light passes through the light-transmitting plate.
  • the exit angle is changed to make the light in the irradiation area uniform, and the light in the irradiation area is close to natural light, which is not easy to cause visual fatigue, and improves the work and study efficiency.
  • this embodiment further provides a light-emitting module, the light-emitting module includes a light source module 1 and a reflector 2 .
  • the light source module 1 includes a first light bar 11 and a second light bar 12 arranged at an included angle.
  • the first light bar 11 is provided with a plurality of first light-emitting elements 111 at intervals
  • the second light bar 12 is provided with a plurality of first light bars at intervals.
  • the reflective cup 2 includes a first arc-shaped reflective area 21 and a second arc-shaped reflective area 22 that are connected.
  • the second arc-shaped reflective area 22 is disposed on the side of the first arc-shaped reflective area 21 away from the first light bar 11.
  • the curvature of one arc-shaped reflecting area 21 is smaller than that of the second arc-shaped reflecting area 22 .
  • the curvature of the first arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 22, and the first arc-shaped reflective area 21 is curved.
  • the light emitted by the first light-emitting element 111 on a light bar 11 is reflected to the light-transmitting plate 31 through the first arc-shaped reflective area 21 of the reflector 2 , and is projected to a far area through the light-transmitting plate 31 .
  • the first light-emitting element 111 The emitted light is reflected to the translucent plate 31 through the second arc-shaped reflective area 22 of the reflective cup 2 , and projected to a nearer area through the translucent plate 31 , thereby improving the uniformity of light in the illuminated area. Since the second light bar 12 and the first light bar 11 are arranged at an included angle, the second light-emitting element 121 is used as a compensation light source, and a light compensation method is adopted to supplement the light, which improves the light uniformity of the illuminated area.
  • the reflection efficiency of the first arc-shaped reflective area 21 is lower than that of the second arc-shaped reflective area 22, so that the irradiation
  • the light in the area is uniform, and the light in the irradiated area is closer to natural light, which is not easy to cause visual fatigue, and improves the efficiency of work and study.
  • the first light-emitting element 111 and the second light-emitting element 121 are both RGBW lamp beads or RGBWW lamp beads.
  • RGBW lamp beads or RGBWW lamp beads as the light source can improve the controllability of the light spectrum, improve the user's comfort, and meet the needs of personalized customization.
  • the reflective cup 2 further includes a third arc-shaped reflective area 23, the third arc-shaped reflective area 23 is disposed on the side of the reflective cup 2 away from the second light bar 12, and the third arc-shaped reflective area 23 is connected to the first arc.
  • the arc-shaped reflective area 21 and the second arc-shaped reflective area 22 are connected.
  • the bending degree of the third arc-shaped reflective area 23 is substantially the same as that of the second arc-shaped reflective area 22 .
  • the first arc-shaped reflective area 21 is provided with a plurality of protrusions. Diffuse reflection microstructures are formed by a plurality of protrusions, so as to reduce the intensity of light reflected by the first arc-shaped reflection area 21 .
  • the second arc-shaped reflective area 22 can be correspondingly set as a high-gloss structure to improve the intensity of the light reflected by the second arc-shaped reflective area 22, thereby making the light in the irradiation area uniform.
  • the light-emitting module further includes a light-transmitting component 3, and the light-transmitting component 3 includes a light-transmitting plate 31.
  • a plurality of light-guiding bumps 311 are arranged in an array on the light-transmitting plate 31, and each light-guiding bump 311 is provided with a light guide. The inclined surface of the light guide is inclined relative to the light-transmitting plate 31 .
  • each light-guiding bump 311 is provided with a light-guiding slope, the light-guiding slope is inclined relative to the light-transmitting plate 31 , and light passes through the
  • the exit angle is changed to make the light in the irradiation area uniform, and the light in the irradiation area is close to natural light, which is not easy to cause visual fatigue, and improves the efficiency of work and study.
  • the plurality of first light-emitting elements 111 are distributed along the length direction of the first light bar 11 , and the distance between at least two first light-emitting elements 111 and the light-transmitting plate 31 increases in sequence.
  • the first light-emitting element 111 is closer to the first arc-shaped reflection area 21 of the reflector 2, so that more light can pass through the first arc-shaped reflection.
  • the area 21 is reflected to the light-transmitting plate 31 and projected to a nearer area through the light-transmitting plate 31, so as to improve the uniformity of light in the illuminated area.
  • the second light bar 12 and the first light bar 11 are arranged at an angle of approximately 90 degrees, and the second light bar 12 is used as a compensation light source to improve the uniformity of light in the irradiation area.
  • the plurality of second light-emitting elements 121 are uniformly distributed along the length direction of the second light bar 12 , and the light-guiding slopes are inclined toward the second light-emitting elements 121 .
  • the first light bar 11 and the light-transmitting plate 31 are arranged at an obtuse angle. Since the first light bar 11 and the light-transmitting plate 31 are arranged at an obtuse angle, the light-transmitting plate 31 is usually arranged horizontally, that is, the first light bar 11 is arranged obliquely, so that the first light-emitting element 111 can fully irradiate light to the reflector 2 .
  • the light-transmitting plate 31 is made of PC transparent material.
  • PC transparent material improves the light transmission efficiency of the light transmission plate 31, and at the same time reduces the processing and manufacturing cost.
  • the light-transmitting component 3 further includes a grating 32 .
  • the grating 32 is disposed on the light-emitting surface of the light-transmitting plate 31 , and the grating 32 is in the shape of a honeycomb.
  • the grating 32 can be fixed on the light-transmitting plate 31 by means of bonding, or can be integrally formed with the light-transmitting plate 31 .
  • the grating 32 can block a part of the light, improve the softness of the light, avoid the glare of the light, and improve the comfort of the user.
  • the curvature of the first arc-shaped reflective area 21 is smaller than that of the second arc-shaped reflective area 21 .
  • the light emitted by the first light-emitting element 111 on the first light bar 11 is reflected to the light-transmitting plate 31 through the first arc-shaped reflective area 21 of the reflective cup 2 , and projected to the light-transmitting plate 31 through the light-transmitting plate 31
  • the light emitted by the first light-emitting element 111 is reflected to the light-transmitting plate 31 through the second arc-shaped reflecting area 22 of the reflector 2, and is projected to the nearer area through the light-transmitting plate 31, which improves the uniformity of the light in the illuminated area.
  • the second light-emitting element 121 is used as a compensation light source, and the light compensation method is used to supplement the light, which improves the light uniformity of the illuminated area.
  • the area 21 adopts a PC high-gloss structure
  • the second arc-shaped reflective area 22 adopts an electroplating high-gloss structure.
  • the reflection efficiency of the first arc-shaped reflective area 21 is lower than that of the second arc-shaped reflective area 22, so that the light in the irradiation area is uniform.
  • the light in the irradiation area is close to natural light, which is not easy to cause visual fatigue, and improves the efficiency of work and study.
  • This embodiment also provides a table lamp, including the above-mentioned light-emitting module, the table lamp may include two light-emitting modules, and the two light-emitting modules are V-shaped, which can make the light emitted by the light-emitting modules intersect, and can cover two light-emitting modules.
  • the area between the light-emitting modules can make the light cover the area directly in front of the desk lamp and the areas on the left and right sides of the front, and the light intensity is relatively uniform, and it is not easy to cause visual fatigue.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un module émetteur de lumière et une lampe de table. Le module émetteur de lumière comprend un module source de lumière (1) et une coupelle réfléchissante (2). Le module source de lumière (1) comprend une première barre lumineuse (11), et une pluralité de premiers éléments émetteurs de lumière (111) sont agencés sur la première barre lumineuse (11) à des intervalles. La coupelle réfléchissante (2) comprend une première région réfléchissante en forme d'arc (21) et une seconde région réfléchissante en forme d'arc (22) reliées l'une à l'autre. La seconde région réfléchissante en forme d'arc (22) est disposée sur le côté de la première région réfléchissante en forme d'arc (21) éloigné de la première barre lumineuse (11), et le degré de courbure de la première région réfléchissante en forme d'arc (21) est inférieur à celui de la seconde région réfléchissante en forme d'arc (22).
PCT/CN2022/077401 2021-03-05 2022-02-23 Module émetteur de lumière et lampe de table WO2022183949A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202110246037.2A CN115013754B (zh) 2021-03-05 2021-03-05 一种发光模组及台灯
CN202110246032.XA CN115013753A (zh) 2021-03-05 2021-03-05 一种发光模组及台灯
CN202110246037.2 2021-03-05
CN202110246032.X 2021-03-05

Publications (1)

Publication Number Publication Date
WO2022183949A1 true WO2022183949A1 (fr) 2022-09-09

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Application Number Title Priority Date Filing Date
PCT/CN2022/077401 WO2022183949A1 (fr) 2021-03-05 2022-02-23 Module émetteur de lumière et lampe de table

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WO (1) WO2022183949A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060007700A1 (en) * 2004-07-06 2006-01-12 Au Optronics Corp. Backlight module capable of interchanging polarized states of light
CN101435553A (zh) * 2008-12-08 2009-05-20 东莞市科锐德数码光电科技有限公司 模组型led双光源路灯灯具
CN201335301Y (zh) * 2008-12-08 2009-10-28 东莞市科锐德数码光电科技有限公司 模组型led双光源路灯灯具
CN102705744A (zh) * 2012-06-15 2012-10-03 深圳市华星光电技术有限公司 Led灯条及使用该灯条的侧入式背光模组
CN103672617A (zh) * 2013-12-12 2014-03-26 广州创维平面显示科技有限公司 显示装置及其超薄型背光模组
CN104089223A (zh) * 2014-07-10 2014-10-08 京东方科技集团股份有限公司 一种背光光学系统及显示装置
CN110848595A (zh) * 2019-12-02 2020-02-28 成都欧盛光电科技有限公司 一种台灯照明装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060007700A1 (en) * 2004-07-06 2006-01-12 Au Optronics Corp. Backlight module capable of interchanging polarized states of light
CN101435553A (zh) * 2008-12-08 2009-05-20 东莞市科锐德数码光电科技有限公司 模组型led双光源路灯灯具
CN201335301Y (zh) * 2008-12-08 2009-10-28 东莞市科锐德数码光电科技有限公司 模组型led双光源路灯灯具
CN102705744A (zh) * 2012-06-15 2012-10-03 深圳市华星光电技术有限公司 Led灯条及使用该灯条的侧入式背光模组
CN103672617A (zh) * 2013-12-12 2014-03-26 广州创维平面显示科技有限公司 显示装置及其超薄型背光模组
CN104089223A (zh) * 2014-07-10 2014-10-08 京东方科技集团股份有限公司 一种背光光学系统及显示装置
CN110848595A (zh) * 2019-12-02 2020-02-28 成都欧盛光电科技有限公司 一种台灯照明装置

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