WO2021174893A1 - Ensemble guide de lumière et miroir cosmétique l'utilisant - Google Patents

Ensemble guide de lumière et miroir cosmétique l'utilisant Download PDF

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Publication number
WO2021174893A1
WO2021174893A1 PCT/CN2020/126439 CN2020126439W WO2021174893A1 WO 2021174893 A1 WO2021174893 A1 WO 2021174893A1 CN 2020126439 W CN2020126439 W CN 2020126439W WO 2021174893 A1 WO2021174893 A1 WO 2021174893A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
emitting
guide assembly
light guide
incident surface
Prior art date
Application number
PCT/CN2020/126439
Other languages
English (en)
Chinese (zh)
Inventor
王念欧
陆辉
曹谦
郦轲
Original Assignee
深圳市宗匠科技有限公司
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
Application filed by 深圳市宗匠科技有限公司 filed Critical 深圳市宗匠科技有限公司
Publication of WO2021174893A1 publication Critical patent/WO2021174893A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/02—Mirrors used as equipment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

Definitions

  • the invention relates to the technical field of daily necessities, in particular to a light guide component and a cosmetic mirror using the light guide component.
  • a clean and tidy image can often give people a good first impression and is the first step towards success.
  • a supplementary light makeup mirror When using a supplementary light makeup mirror, a light guide plate is often installed in the mirror to guide light.
  • a light guide component includes:
  • a light guide plate the light guide plate includes a light emitting part and a light sending part, the light emitting part is arranged in a ring shape, the light emitting part has an inner surface and an outer surface, and the light sending part is arranged on the inner surface;
  • the light-transmitting part has a light-emitting surface, a light-incident surface, and an arc-shaped surface connecting the light-emitting surface and the light-incident surface.
  • a gap is provided at the junction of the light-incident surface and the light-emitting surface at one end of the light-incident surface, and the distance between the arcuate surface and the light-emitting surface gradually decreases in a direction away from the light-incident surface.
  • the light incident surface is arranged obliquely.
  • the light-emitting portion is a circular ring
  • the intersection line between the light-incident surface and the arc-shaped surface is a first intersection line, passing through the first intersection line and the light-emitting portion
  • the virtual plane formed by the central axis is the first virtual plane
  • the light incident surface is arranged obliquely with respect to the first virtual plane, and the light transmitting part is arranged on one side of the first virtual plane.
  • the arc length of the arc-shaped surface is less than or equal to one-half of the circumference of the inner surface.
  • the number of the light sending parts is two, and the two light sending parts are rotationally symmetric.
  • the light source further includes a light source, the light source is arranged close to the light incident surface, the light source has a light emitting surface, and the light emitting surface is arranged corresponding to the light incident surface.
  • the light-emitting surface is a plane, and the light-emitting surface and the light-incident surface are arranged in parallel.
  • the light source includes two LED lamps arranged side by side at intervals.
  • the light transmitting part and the light emitting part are integrally formed.
  • a makeup mirror includes a mirror surface and the above-mentioned light guide assembly, and the light transmitting part of the light guide assembly is arranged along the circumferential direction of the mirror surface.
  • the above light guide assembly is provided with a gap at the junction of the light-incident surface and the light-emitting surface, that is, the gap between the light-incident surface of the light-emitting part and the inner surface of the light-emitting part is notched, so that the light emitted by the light source cannot pass through the gap
  • the light is transmitted to the light-emitting part, effectively avoiding the concentration of light at the junction between the light-incident surface and the inner surface, effectively preventing the light-emitting part from forming local bright spots, making the light-emitting part of the light-emitting part more uniform, and effectively improving the light-emitting uniformity of the vanity mirror.
  • the use effect is good.
  • the light sending part and the light emitting part are smoothly connected by an arc surface, so that the light entering the light sending part can be guided to the light emitting part to the greatest extent, reducing the loss of light, and effectively improving the utilization rate of light.
  • FIG. 1 is a schematic diagram of the structure of the light guide plate assembly according to the first embodiment of the present invention, in which the dashed-dotted line is light;
  • FIG. 2 is a schematic diagram of the structure of the light guide plate assembly according to the second embodiment of the present invention.
  • the light guide plate 10 The light guide plate 10, the light emitting part 20, the inner surface 21, the outer surface 22, the first virtual plane 23, the third virtual plane 24, the light transmitting portion 30, the light exit surface 31, the arc surface 32, the light entrance surface 33, the second virtual plane Plane 34, gap 35, light source 40.
  • FIG. 1 is a light guide plate assembly according to a first embodiment of the present invention, which includes a light guide plate 10 and a light source 40.
  • the light guide plate 10 includes a light emitting part 20 and a light sending part 30.
  • the light emitting part 20 is arranged in a ring shape.
  • the light emitting part 20 has an inner surface 21 and an outer surface 22.
  • the light sending part 30 is arranged on the inner surface 21.
  • the light-transmitting part 30 has a light-emitting surface 31, a light-incident surface 33, and an arc-shaped surface 32 connecting the light-emitting surface 31 and the light-incident surface 33.
  • a gap 35 is provided at the junction of the light incident surface 33 and the light exit surface 31, and the distance between the arcuate surface 32 and the light exit surface 31 gradually decreases in a direction away from the light incident surface 33.
  • the light source 40 is arranged close to the light incident surface 33, the light source 40 has a light emitting surface, and the light emitting surface of the light source 40 is arranged corresponding to the light incident surface 33.
  • the light source 40 of the above-mentioned light guide assembly is used for emitting light
  • the light transmitting part 30 is used for transmitting the light emitted by the light source 40 to the light emitting part 20
  • the light emitting part 20 is used for scattering the light out. It is understandable that the light emitted by the light source 40 enters the light sending unit 30 through the light emitting surface and the light incident surface 33 of the light source 40, and then is transmitted from the light emitting surface 31 to the light emitting unit 20, and then is scattered by the light emitting unit 20.
  • the notch 35 is provided at the junction of the light-incident surface 33 and the light-emitting surface 31, that is, the notch treatment is performed at the junction between the light-incident surface 33 of the light-emitting portion 20 and the inner surface 21 of the light-emitting portion 20, so that the light emitted by the light source 40 It cannot be transmitted from the gap 35 to the light-emitting part 20.
  • the light emitted by 40 directly enters the light guide plate 10 from this place, causing the brightness of the place to be too dense, which visually causes the inner surface 21 of the light-emitting portion 20 to be too concentrated near the light source to produce local bright spots, thereby making the light guide plate 10
  • the edge of the light guide plate of the mirror produces local bright spots that are different from other positions. It can be seen that by processing the notch 35 at the junction of the light-incident surface 33 and the light-emitting surface 31, the light from the edge of the light-emitting part 20 close to the light source will not be concentrated, and the light-emitting part 20 near the light source will be prevented from being densely bright and causing localization.
  • the bright spot makes the interval of light transmitted from the light transmitting part 30 to the light emitting part 20 more uniform, effectively avoids the concentration of light at the junction between the light incident surface 33 and the inner surface 21, and effectively prevents the light emitting part 20 from forming a local bright spot.
  • This makes the light emission of the light-emitting part 20 more uniform, thereby effectively improving the uniformity of light emission at the edge of the light guide plate 10 of the vanity mirror, and the use effect is good.
  • the light-transmitting part 30 and the light-emitting part 20 are smoothly connected by an arc-shaped surface 32, so that the light entering the light-emitting part 30 can be guided to the light-emitting part 20 to the greatest extent, reducing the loss of light, and effectively improving the utilization rate of light.
  • the arc-shaped surface 32 because of the arc-shaped surface 32, the length of light transmission in the light-emitting part 20 is increased.
  • the outer side of the light-transmitting part 30 is set as an arc-shaped surface, the arc-shaped surface 32 is present when viewed from the inner side of the light-transmitting part 30
  • the arc-shaped surface of the anti-bow shape the light is reflected and refracted by the arc-shaped surface of the anti-bow, and the reflection angle range of the light is increased, so that the light is reflected and refracted by the anti-bow arc surface after entering the light transmitting part 30 Therefore, the number of reflections and the number of light refraction of light in the light guide plate 10 are increased, and the light is guided to the light-emitting portion 20 to a greater extent, thereby further effectively improving the uniformity of light scattered by the light-emitting portion 20.
  • the light incident from the light transmitting unit 30 enters the light emitting unit 20, is scattered by the evenly distributed scattering mesh points in the light guide plate 10, and then scatters the light over the entire light guide plate 10.
  • the shape of the arrangement It is a curved surface, which effectively saves materials and reduces costs.
  • the light-emitting part 20 may be a circular ring, an elliptical ring, a triangular ring, a polygonal ring, or the like.
  • the light-emitting portion 20 is a circular ring, and further, the light-emitting portion 20 is a concentric circular ring, the inner surface 21 and the outer surface 22 are both circular arc surfaces, and the inner surface 21 and the outer surface 22 are on the same central axis p It is provided that since the light-emitting surface 31 is attached to the inner surface 21, the light-emitting surface 31 is also a circular arc surface.
  • the light transmitting part 30 and the light emitting part 20 are integrally formed.
  • the thickness of the light-transmitting portion 30 is smaller than the thickness of the light-emitting portion 20, and the light-emitting portion 20 is not extended from the two opposite sides of the light-transmitting portion 30. In another embodiment, the thickness of the light-transmitting portion 30 is greater than the thickness of the light-emitting portion 20. It is understandable that one side or two opposite sides of the light-transmitting portion 30 extend out of the light-emitting portion 20. Specifically in this embodiment, the thickness of the light-transmitting portion 30 is equal to the thickness of the light-emitting portion 20, and the opposite sides of the light-transmitting portion 30 are respectively flush with the opposite sides of the light-emitting portion 20. Are the two sides in the thickness direction.
  • the light-emitting portion 20 and the light-transmitting portion 30 refer to the upper and lower surfaces of the light-emitting portion 20 and the light-transmitting portion 30. It can be understood that the opposite sides of the light-transmitting portion 30 are opposite to the light-emitting portion 20. The surfaces on both sides are on the same plane.
  • the number of the light-transmitting parts 30 is two, and the two light-transmitting parts 30 are rotationally symmetric, which effectively further improves the uniformity of the light scattered by the light-emitting part 20.
  • the number of the light-transmitting parts 30 can also be other numbers, which can be designed according to requirements.
  • the arc length of the arc-shaped surface 32 is less than or equal to one-half of the circumference of the inner surface 21, and the arc length of the arc-shaped surface 32 is greater than one-eighth of the circumference of the inner surface 21.
  • the light-emitting surface of the light source 40 is a plane, and the light-emitting surface of the light source 40 is arranged in parallel with the light-incident surface 33, so that the light-emitting surface of the light source 40 is also inclined.
  • the light-emitting surface of the light source 40 may also be a curved surface.
  • the light-emitting surface of the light source 40 may be attached to the light-incident surface 33, or may be spaced apart from the light-incident surface 33, and can be designed according to requirements.
  • each group of light sources 40 includes two LED lamps arranged side by side and spaced apart.
  • the notch 35 is an arc-shaped opening.
  • the notch 35 can also have other shapes, such as an L-shaped mouth.
  • FIG. 2 is the light guide plate assembly of the second embodiment of the present invention.
  • the difference between this embodiment and the first embodiment is that the light incident surface 33 is arranged obliquely, because the light emitting surface of the light source 40 is arranged parallel to the light incident surface 33 Therefore, the light source 40 is also arranged obliquely.
  • the light incident surface 33 and the light source 40 it is beneficial to extend the propagation path of the light from the light transmitting section 30 to the light emitting section 20, so that as much light as possible enters the light transmitting section 30.
  • the incident propagation path further reduces the local bright spots in the light-emitting part 20, thereby further improving the uniformity of the light scattered by the light-emitting part 20.
  • the light incident surface 33 is a plane, and the intersection line between the light incident surface 33 and the arcuate surface 32 is the first intersection line e, and the first intersection line e and the central axis p of the light-emitting portion 20 are formed.
  • the virtual plane is the first virtual plane 23, and the light incident surface 33 is arranged obliquely with respect to the first virtual plane 23. It can be understood that the extension surface of the light incident surface 33 does not pass through the central axis p of the light emitting portion 20, and the light transmitting portion 30 is provided as a whole On one side of the first virtual plane 23, that is, the light incident surface 33 is provided between the first virtual plane 23 and the light exit surface 31. Further, the included angle a between the light incident surface 33 and the first virtual plane 23 is greater than 0° and less than or equal to 30°. Specifically, the angle a between the light incident surface 33 and the first virtual plane 23 is 15°.
  • intersection line between the light-emitting surface 31 and the arc-shaped surface 32 is the second intersection line f
  • the virtual plane formed by the first intersection line e and the second intersection line f is the second virtual plane 34
  • the second virtual plane is 5° to 180°.
  • the included angle b between the second virtual plane 34 and the light incident surface 33 is 120°.
  • the light source 40 emits perpendicular to One of the rays of light on the light incident surface 33 is the light path n.
  • the propagation path of the light entering the light emitting unit 20 through the light transmitting unit 30 becomes longer, and the light path n is enlarged.
  • the maximum width L between the third virtual planes 24 in the light-emitting portion 20 increases the density between light rays, and the diffusibility of light becomes better, which can further effectively reduce the local bright spots in the light-emitting portion 20.
  • the present invention also provides a makeup mirror, including a mirror surface and the above-mentioned light guide assembly.
  • the light-emitting part 20 of the light guide assembly is arranged along the circumferential direction of the mirror surface, and the light transmitting part 20 of the light guide assembly is arranged on the back of the mirror surface.
  • the light-emitting part 20 is located at the periphery of the mirror surface and is in the light-emitting area visible to human eyes, and the light-emitting part is on the back of the mirror surface and is in an area invisible to human eyes.
  • the vanity mirror also includes a housing and a power module. The mirror is installed on the front of the housing. The power module supplies power to the light source 40.
  • the light-emitting surface 31 It is transmitted from the light-emitting surface 31 to the light-emitting part 20 and then scattered by the light-emitting part 20.
  • the light emitting part 20 By arranging the light emitting part 20 in a ring shape, the light can be filled more uniformly, and the light can be irradiated along the peripheral side of the mirror surface, and the light filling effect is good.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

La présente invention concerne un ensemble guide de lumière et un miroir cosmétique. L'ensemble guide de lumière comprend une plaque de guidage de lumière (10), la plaque de guidage de lumière (10) comprenant une partie électroluminescente (20) et une partie de distribution de lumière (30) ; la partie électroluminescente (20) est disposée en forme d'anneau ; la partie électroluminescente (20) présente une surface interne (21) et une surface externe (22) ; la partie de distribution de lumière (30) est disposée sur la surface interne (21) ; la partie de distribution de lumière (30) présente une face d'émergence de lumière (31), une face d'incidence de lumière (33), et une face en forme d'arc (32) qui relie la face d'émergence de lumière (31) et la face d'incidence de lumière (33) ; la face d'émergence de lumière (31) est conçue pour être fixée à la surface interne (21) ; la face d'incidence de lumière (33) est située à une extrémité de la partie de distribution de lumière (30) ; et une encoche (35) est disposée au niveau de la jonction entre la face d'incidence de lumière (33) et la face d'émergence de lumière (31). En fournissant l'encoche (35), la partie électroluminescente (20) émet de la lumière plus uniformément.
PCT/CN2020/126439 2020-03-05 2020-11-04 Ensemble guide de lumière et miroir cosmétique l'utilisant WO2021174893A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020265547.5 2020-03-05
CN202020265547.5U CN211577476U (zh) 2020-03-05 2020-03-05 导光组件及采用该导光组件的化妆镜

Publications (1)

Publication Number Publication Date
WO2021174893A1 true WO2021174893A1 (fr) 2021-09-10

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PCT/CN2020/126439 WO2021174893A1 (fr) 2020-03-05 2020-11-04 Ensemble guide de lumière et miroir cosmétique l'utilisant

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WO (1) WO2021174893A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3078447C (fr) 2012-03-08 2022-05-10 Simplehuman, Llc Miroir de meuble-coiffeuse
CA2922596C (fr) 2015-03-06 2023-10-24 Simplehuman, Llc Miroir de meuble-lavabo
US10869537B2 (en) 2017-03-17 2020-12-22 Simplehuman, Llc Vanity mirror
US11708031B2 (en) 2018-03-22 2023-07-25 Simplehuman, Llc Voice-activated vanity mirror
USD925928S1 (en) 2019-03-01 2021-07-27 Simplehuman, Llc Vanity mirror
CN113767314A (zh) 2019-03-01 2021-12-07 新璞修人有限公司 化妆镜
CN211577476U (zh) * 2020-03-05 2020-09-25 深圳市宗匠科技有限公司 导光组件及采用该导光组件的化妆镜
CN211600392U (zh) * 2020-03-05 2020-09-29 深圳市宗匠科技有限公司 导光组件及应用该导光组件的化妆镜
TWI795023B (zh) * 2021-10-12 2023-03-01 佳世達科技股份有限公司 可提供均勻照度之化妝鏡
CN115046174A (zh) * 2022-07-21 2022-09-13 东莞雷笛克光学有限公司 一种侧发光偏光化妆灯透镜

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101811B3 (de) * 2012-03-05 2012-11-22 Sick Ag Lichtquelle für einen Sensor und entfernungsmessender optoelektronischer Sensor
CN203630387U (zh) * 2013-12-17 2014-06-04 苏州茂立光电科技有限公司 导光环
CN104344352A (zh) * 2013-07-23 2015-02-11 李政道 导光装置
CN207318769U (zh) * 2017-09-13 2018-05-04 深圳市汇晨光学有限公司 一种圆形导光结构
CN209605083U (zh) * 2019-04-18 2019-11-08 渲美美健（深圳）科技股份有限公司 光扩散装置
CN211577476U (zh) * 2020-03-05 2020-09-25 深圳市宗匠科技有限公司 导光组件及采用该导光组件的化妆镜

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101811B3 (de) * 2012-03-05 2012-11-22 Sick Ag Lichtquelle für einen Sensor und entfernungsmessender optoelektronischer Sensor
CN104344352A (zh) * 2013-07-23 2015-02-11 李政道 导光装置
CN203630387U (zh) * 2013-12-17 2014-06-04 苏州茂立光电科技有限公司 导光环
CN207318769U (zh) * 2017-09-13 2018-05-04 深圳市汇晨光学有限公司 一种圆形导光结构
CN209605083U (zh) * 2019-04-18 2019-11-08 渲美美健（深圳）科技股份有限公司 光扩散装置
CN211577476U (zh) * 2020-03-05 2020-09-25 深圳市宗匠科技有限公司 导光组件及采用该导光组件的化妆镜

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