WO2007032187A1 - Source de lumière pour lampe a del et lampe de bureau à del à allumage automatique en cas de panne de courant - Google Patents

Source de lumière pour lampe a del et lampe de bureau à del à allumage automatique en cas de panne de courant Download PDF

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Publication number
WO2007032187A1
WO2007032187A1 PCT/JP2006/316532 JP2006316532W WO2007032187A1 WO 2007032187 A1 WO2007032187 A1 WO 2007032187A1 JP 2006316532 W JP2006316532 W JP 2006316532W WO 2007032187 A1 WO2007032187 A1 WO 2007032187A1
Authority
WO
WIPO (PCT)
Prior art keywords
led
light
light source
light guide
illumination light
Prior art date
Application number
PCT/JP2006/316532
Other languages
English (en)
Japanese (ja)
Inventor
Toshio Gunji
Kunio Hyodo
Saburo Iwano
Original Assignee
World Wide Engineering Co., Ltd.
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 World Wide Engineering Co., Ltd. filed Critical World Wide Engineering Co., Ltd.
Priority to JP2007535410A priority Critical patent/JPWO2007032187A1/ja
Publication of WO2007032187A1 publication Critical patent/WO2007032187A1/fr

Links

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
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/041—Ball lenses
    • 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
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an LED (Light Emitting Diode) illumination light source and an LED illumination stand, and more specifically, an LED planar illumination light source such as a backlight light source used in various display devices, a refrigerator / freezer, and storage.
  • LED illumination light source used for interior lights such as cabinets, and LED illumination light source that can be carried as a flashlight by incorporating the LED illumination light source and using it as a desk lamp in normal times and removing the light section that automatically lights up in the event of a power failure It is about.
  • Fluorescent tubes and incandescent bulbs which are general illumination light sources, have a short life due to generated heat and the like, and require maintenance for replacing the illumination light source.
  • the replacement of incandescent bulbs is a narrow and high place, so there is a strong demand for maintenance-free.
  • the rated life of a fluorescent tube is about 6000 hours, and it lasts 5-6 times longer than a light bulb, but it cannot be said that it is sufficient. Therefore, an illumination light source that consumes less power and has no permanent deterioration is desired.
  • a straight tubular light source is generally disposed in the vicinity of a side surface of a transparent light guide plate, and light incident on the side surface of the light guide plate from the light source passes through the light guide plate at its back and front surfaces (light emitting surface). It is configured to propagate while being reflected by the light, and to emit light from the surface sequentially.
  • the entire light exit surface of the light guide plate emits light with uniform brightness.
  • a straight tubular light source such as a fluorescent lamp is disposed in the vicinity of a side surface of a transparent light guide plate, and the lower surface of the light guide plate serves as a light diffusing surface.
  • a part where white paint is applied and a part where no white paint is applied are mixed on the diffusion surface, and the application area per unit area is changed so as to increase as the distance from the light source increases.
  • this surface light emitting device In this surface light emitting device, light incident from the light source to the inside of the light guide plate is reflected and propagated to the light diffusing surface and the light emitting surface (surface), but a white paint on the light diffusing surface is applied. When it hits the part, it is diffused and emitted from the light exit surface to the outside. When it hits a part where white paint is not applied, it is totally reflected if the incident angle of the light to the light diffusion surface is larger than the critical angle, and further propagates inside the light guide plate, and passes if it is smaller than the critical angle. Leak outside.
  • LED light has a strong directivity, it is suitable for illuminating a predetermined range such as a desk lamp or bicycle light. However, it is necessary to provide brightness (illuminance) over a wide range. It was insufficient as an illumination light source.
  • a flashlight was provided at a predetermined location.
  • Patent Document 1 Japanese Patent Laid-Open No. 1-241590
  • An object of the present invention is to provide various LED illumination light sources with long life, low power consumption, and The purpose is to provide an LED lighting stand that can be carried as a flashlight by taking advantage of the characteristics of the LED lighting source and removing the lamp that automatically turns on in the event of a power failure.
  • the present invention includes a single or a plurality of LED units disposed on a part of a spherical surface of a spherical body, an end surface of a rod-shaped body, or a side surface of a plate-shaped body, a light guide that propagates light,
  • a light diffusion layer in which a coating material is applied to one side or the whole of the light guide portion.
  • the LED unit is composed of a high-intensity white LED, the light guide portion is a highly transparent polycarbonate or acrylic resin, and the light diffusion layer is subjected to pearl coating. It is characterized by.
  • the present invention also provides a plurality of LED units arranged linearly along the side surface of the plate-like body, a long transparent bar that refracts light incident from the side surface, and a transparent light that propagates the refracted light.
  • the LED unit is composed of a high-intensity white LED, and the long transparent bar is a highly transparent polycarbonate or acrylic resin having a substantially circular cross section, and the light diffusion layer is subjected to pearl coating.
  • the coating amount per unit area increases as the distance from the high-intensity white LED unit increases.
  • An LED unit disposed at one or both ends of the end face of the rod-shaped body, a light guide rod for propagating light, and 1Z3 to 2Z3 in the circumferential direction of the light guide rod, covering the entire length of the light guide rod And a light diffusion layer coated with a paint.
  • the LED unit is made of a high-intensity white LED
  • the light guide bar is made of highly transparent polycarbonate or acrylic
  • the light diffusion layer is pearl-painted on the surface of the light guide bar. Is characterized by a clear blue paint.
  • one or a plurality of LED units arranged on a part of a spherical surface of a spherical body, a light guide unit for propagating light, and one or a plurality of the LED units are arranged.
  • a light diffusion layer in which a paint is applied to a spherical surface excluding the light introduction part is arranged.
  • the LED unit is composed of a high-intensity white LED, and the spherical body is a highly transparent polymer. It is carbonate or acrylic resin, and the light diffusion layer is pearl-coated.
  • the present invention provides a stand base with support and a solid sphere with a partial pearl coating, and a high brightness white LED can be attached to and detached from the stand base with support.
  • An LED lamp unit that can be used as an electric lamp, a charger built in the stand base with support, and a storage battery that is charged by the charger and supplies electricity to the LED lamp unit in the event of a power failure. It is characterized by including.
  • LED lighting with a long life and low power consumption is possible.
  • large and uniform LED surface illumination is possible.
  • the LED stand that automatically lights during power outages is used as an electrical stand in normal homes and hotels, etc., and can be used as a flashlight in the event of an unexpected disaster power outage after going to bed. This makes it possible to deal with power outages without worrying about them, and is an effective means for disaster prevention.
  • FIG. 1 is a schematic view of a planar illumination light source according to the present invention.
  • FIG. 2 (a) is an explanatory view of an embodiment according to the present invention, and (b) is an explanatory view of a conventional example.
  • FIG. 3 is a view showing the surface of the light diffusion layer of the present invention.
  • FIG. 4 is a view showing a light scattering state on the surface of the light diffusion layer of the present invention.
  • FIG. 5 is a schematic view of a linear illumination light source according to the present invention.
  • FIG. 6 is a view showing a cross section of a light guide rod portion and a light scattering body according to the present invention.
  • FIG. 7 is a schematic view of a linear illumination light source in which an LED light source is provided at one end of a light guide rod portion according to the present invention.
  • FIG. 8 is a view showing the appearance of a light bulb shaped LED according to the present invention.
  • FIG. 9 is a diagram showing a cross section of a light bulb shaped LED according to the present invention and a light scattering state.
  • FIG. 10 (a) is a view showing a light scattering state in the coated reflective film according to the present invention.
  • (B) is a figure which shows the position of said (a).
  • FIG. 11 is a schematic diagram of an LED stand that automatically lights during a power failure according to the present invention.
  • FIG. 12 is a schematic view of an LED stand that is automatically lit during a power failure according to the present invention.
  • FIG. 13 is a diagram showing the LED unit removed from the LED stand automatically lit during a power failure according to the present invention.
  • An LED that is, a light emitting diode, refers to a semiconductor element that emits light when a voltage is applied in the forward direction.
  • the luminescent color varies depending on the material used, and it can be manufactured from those that emit light in the ultraviolet to visible and infrared regions.
  • the current consumption during light emission is about several mA to 50 mA for display lamp applications, but for lighting applications, it is a large output light emitting diode with a power consumption of several watts or a drive current exceeding 1 A. There are also things.
  • LEDs can easily obtain light that does not contain unnecessary ultraviolet rays or infrared rays. For this reason, it is used for lighting of cultural assets and artworks that are sensitive to ultraviolet rays, and objects that do not like heat irradiation.
  • the maximum light intensity can be obtained at the same time as lighting when used for lighting.
  • a light bulb Unlike a light bulb, it does not use a filament, so it has a small size, a long life that resists vibration, and a low failure rate. However, some products may adversely affect your eyes if you look directly.
  • the LED light is a single color such as red, green, blue, etc., to obtain white, adopt the method of emitting red + green + yellow LED simultaneously, the method of obtaining white with blue + phosphor, etc.
  • the part where the LED shines is only about a grain of rice and has high directivity, it is necessary to make the part that shines larger to use as lighting, so the area of the light emitting part can be increased by increasing the number of white LEDs, It is necessary to increase the light emitting area using a plate.
  • Fig. 1 shows a cross section of a planar illumination light source according to the present invention.
  • a plurality of LED units 5 arranged in a straight line along the side surface of a plate-like body and light incident from the side surface are refracted.
  • the LED unit 5 is made of a high-intensity white LED
  • the long transparent bar 1 is made of a highly transparent acrylic resin having a substantially circular cross section and a diameter substantially the same as the thickness of the light guide plate.
  • the long transparent rod 1 has a lens effect of refraction, scattering and focusing of incident light.
  • Acrylic resin has high transparency, refractive index and impact resistance, is easily formed with thermoplastics, and has excellent weather resistance, so it can be used as a substitute for inorganic glass for building and vehicle window materials, Used for lighting equipment, signs, daily necessities, etc.
  • the light guide plate 2 is made of acrylic resin and is formed into a rectangular flat plate having a substantially constant thickness.
  • the light diffusion layer 3 on the back is given a pearl coating to diffuse the emitted light as shown in Fig. 3,
  • the amount of paint applied per unit area increases as the distance from the high-intensity white LED unit 5 increases.
  • a pearl with a pearl coating is a fine grain of stone mica (my strength), which has a structure in which semi-transparent films are stacked in layers. Complex reflection and refraction produces a unique pearly radiance.
  • my power There are several types of my power in both size and color. Pearl paint is applied by mixing My Power with solid color and then applying Talia.
  • the LED light source when the LED light source is turned on, the light from the light source passes through the transparent bar 1 and is introduced into the inside from the end of the light guide plate 2, and the introduced light is reflected as indicated by the black arrows.
  • the film coating is repeatedly reflected and exits from the surface as indicated by the white arrow, so that the surface of the light guide plate can be illuminated uniformly and brightly.
  • the transparent bar 1 has two roles due to the lens effects of refraction, scattering, and condensing.
  • the first role of the transparent bar 1 is to make the light from the light source reach farther, and as a result, it is possible to reduce the thickness and size of the surface display device.
  • the 8mm-thick light guide plate 2 has a distance of 20cm compared to the light reaching distance of 20cm. I was able to.
  • the second role of the transparent bar 1 is to enlarge the light spreading range in the vicinity of the light incident portion on the side surface of the light guide plate 2 to make the emitted light uniform.
  • the LED light source has a strong directivity of light.
  • a dark part with a very small amount of light is generated in the light guide plate 2 corresponding to the part where the light source part does not exist. Due to the function of refracting and scattering the incident light of the transparent rod 1 provided as the light incident part of the light guide plate, this dark part expands the range of light spread within the light guide plate as shown in FIG. , Can reduce the buttocks B.
  • FIG. 3 shows the surface of the light diffusion layer coated with pearl on the back surface of the light guide plate.
  • the coating amount (coating thickness) per unit area increases as the distance from the light source increases. Since it is configured, much light propagates in the light guide plate in the vicinity of the light source, with less light diffused by the light diffusion layer. On the other hand, more light is diffused by the light diffusing layer in the part away from the light source.
  • the amount of light emitted to the outside is appropriately controlled, and surface illumination that shines uniformly regardless of the distance from the light source can be obtained.
  • the light emitted to the outside is added to the light diffused in the light diffusing layer and the light leaked from the coating portion and reflected by the reflecting plate 4, and the light diffusing layer is formed in advance. The effect can be eliminated.
  • FIG. 4 schematically shows the light scattering state on the surface of the light diffusion layer coated with pearl on the back surface of the light guide plate.
  • the pearl coating is effective in leveling the brightness of the surface illumination light source due to its high light reflectivity and excellent light scattering and diffusion due to the dispersion of mica fine particles6. To do.
  • FIG. 5 is a conceptual diagram of a linear illumination light source according to Embodiment 2 of the present invention.
  • the linear illumination light source of Example 2 includes a high-intensity white LED unit 7 disposed at one or both ends of the end face of the rod-shaped body, and a highly transparent acrylic light guide that propagates light.
  • the rod 8 and the light diffusing layer 3 that covers 1Z3 in the circumferential direction of the light guide rod and is coated with pearl paint over the entire length of the light guide rod 8 are configured by force.
  • a clear blue coating is applied to the entire front surface of the acrylic light guide bar 8 to reduce glare.
  • FIG. 6 is a cross-sectional view of the acrylic light guide rod 8, and shows the light scattering state schematically by black arrows.
  • the light introduced into the light guide rod 8 is reflected by the reflective coating 9 as indicated by the black arrow, and uniform surface illumination is obtained.
  • the light from the LED light source passes through the light guide bar 8 and the amount of light decreases.
  • LED light sources are provided at both ends of the light guide bar 8 as shown in FIG. To ensure uniform illumination in the longitudinal direction.
  • FIG. 3 shows a linear illumination light source in which an LED light source is provided only at one end of the acrylic light guide bar 8.
  • the LED light source 7 when the LED light source 7 is turned on, the light from the light source enters from the end of the light guide rod 8 made of transparent acrylic, and the incoming light is repeatedly reflected by the reflective coating 9 as indicated by the black arrow, Exit from the surface as indicated by the white arrow.
  • the reflective coating 9 As indicated by the black arrow, Exit from the surface as indicated by the white arrow.
  • Part of the light that enters from one end of the light guide bar 8 The light is transmitted through the interior toward the other end and reflected by the reflection film at the other end, so that the surface of the light guide bar 8 is uniformly illuminated.
  • Example 8 and 9 are conceptual diagrams of a light bulb type LED according to Example 3 of the present invention.
  • the light bulb type LED of Example 3 is a solid sphere 10 made of talyl resin that is also a light guide part that propagates light, and an LED unit arranged on the spherical surface of the solid sphere 10. 7, a reflective film coating part 9 in which a pearl coating is applied to the spherical surface with a light diffusion layer, and a base part 11 in which the LED unit 7 is accommodated inside.
  • the reflection film coating part 9 is formed on the surface of the acrylic solid sphere so as to increase as the distance from the LED light source increases, except for the light introduction part close to the LED light source.
  • the base is versatile so that it can be used as it is in a conventional light bulb socket.
  • FIG. 9 is a cross-sectional view of the acrylic solid sphere 10, in which light scattering conditions are schematically shown by arrows.
  • the LED light source 7 When the LED light source 7 is turned on, the light from the light source enters the inside of the transparent bat ball 10, a part of the light is emitted directly to the outside, and the rest of the light is repeatedly reflected by the reflective coating 9 as indicated by the black arrows. Returning, it goes out from the surface as indicated by the white arrow, so that the surface of the solid sphere 10 becomes uniformly bright and can be illuminated at a wide angle.
  • it is possible to illuminate brighter and more beautifully by applying a transparent blue coating to the entire surface of the solid sphere through which light passes, and by mixing fluorescent paint into the solid sphere.
  • Fig. 10 (a) is an enlarged view of part C of Fig. 10 (B), and shows the light scattering state in the pearl-coated reflective film as a simulation with arrows.
  • FIGS. 11 to 13 are schematic views of an LED stand that is automatically turned on during a power failure according to Embodiment 4 of the present invention.
  • the LED stand that automatically lights up in the event of a power failure in Example 4 has a stand base 12 with support poles, an electric lamp cover 13, and a solid acrylic sphere 16 that is partially pearl-coated, and a high-brightness white LED 17 Mounted and detachable to the stand base 12 with support, and can be used as a flashlight if it is automatically ignited and removed in the event of a power failure, and the charger 15 built in the stand base 12 with support and charging And a storage battery 18 that is charged by the battery 15 and supplies electricity to the LED lamp unit 14 in the event of a power failure.
  • the LED stand is set to charge the storage battery 18 through the charger 15 when the outlet is set to the power source.
  • the light emitted from the solid sphere 16 is reflected by the electric lamp cover 13 at the tip of the solid sphere 16 to illuminate the bedside as indicated by a white arrow.
  • the lamp cover 13 has a spherical cross-section, and its wall body is made of, for example, attayl or other suitable synthetic resin, and a medium that reflects light on one inner surface and thus acts as a mirror,
  • an aluminum vapor deposition film is provided.
  • FIG. 13 shows the LED lamp unit removed from the stand base and functioning as a flashlight. Normally, it is used as a light source for a desk lamp. Since it is attached to the stand base by magnet or mechanical, it can be easily removed with one touch.
  • the LED lamp unit 13 has low power consumption, so there is no easily broken material such as glass that generates almost no heat, so it is highly safe.
  • the effect of the solid sphere 16 coated with pearl gives a flashlight that irradiates the front direction uniformly.

Abstract

L'invention porte sur divers types de sources de lumière pour lampe à DEL de longue durée de vie et de faible consommation. Elle concerne également une lampe de bureau à DEL dont une portion de lampe s’allume automatiquement en cas de panne de courant, laquelle portion de lampe peut être séparée de l’ensemble pour s’utiliser comme torche. La présente invention comporte : une unité à DEL comprenant une ou plusieurs DEL sur une partie de surface sphérique d’un corps sphérique, sur une surface latérale d’un corps en forme de barre ou sur une surface latérale d’un corps en forme de plaque ; une unité conductrice de lumière pour la propagation de la lumière ; et une couche de diffusion de lumière obtenue en peignant un côté ou la surface toute entière de l’unité conductrice de lumière. L’unité à DEL comprend une DEL blanche de forte luminance. L’unité conductrice de lumière est formée en résine acrylique ou polycarbonate de forte transparence. La couche de diffusion de lumière est soumise à une peinture en perles.
PCT/JP2006/316532 2005-08-24 2006-08-23 Source de lumière pour lampe a del et lampe de bureau à del à allumage automatique en cas de panne de courant WO2007032187A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007535410A JPWO2007032187A1 (ja) 2005-08-24 2006-08-23 Ｌｅｄ照明光源および停電時自動点灯ｌｅｄスタンド

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2005-274666 2005-08-24
JP2005274666 2005-08-24
JP2005-294153 2005-09-07
JP2005294153 2005-09-07
JP2005-324099 2005-10-11
JP2005324099 2005-10-11

Publications (1)

Publication Number Publication Date
WO2007032187A1 true WO2007032187A1 (fr) 2007-03-22

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JP (1) JPWO2007032187A1 (fr)
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Cited By (19)

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JP2009026708A (ja) * 2007-07-23 2009-02-05 Hitachi Lighting Ltd 光源装置
JP2009289697A (ja) * 2008-05-30 2009-12-10 Toshiba Lighting & Technology Corp 光源装置および照明器具
WO2011024641A1 (fr) * 2009-08-25 2011-03-03 日東光学株式会社 Élément optique et dispositif d'émission de lumière
CN102141231A (zh) * 2010-01-29 2011-08-03 欧司朗光电半导体有限公司 光源
JP2011249103A (ja) * 2010-05-26 2011-12-08 Tatsumi Chuo Keiei Kenkyusho:Kk 導光体の両端に光源を有する線状照明灯
KR101158175B1 (ko) * 2009-09-08 2012-06-19 조경자 등기구용 아크릴판 및 그에 의해 제조된 아크릴 등기구
WO2012124637A1 (fr) * 2011-03-11 2012-09-20 株式会社 東芝 Dispositif d'éclairage
WO2012128013A1 (fr) * 2011-03-22 2012-09-27 株式会社 東芝 Dispositif d'éclairage
JP2012255606A (ja) * 2011-06-09 2012-12-27 Toshiba Corp 冷蔵庫
EP2542823A2 (fr) * 2010-03-03 2013-01-09 Cree, Inc. Diffuseur non uniforme pour diffuser la lumière en formant un motif d'émission uniforme
DE102011085656A1 (de) * 2011-11-03 2013-05-08 Robert Bosch Gmbh Verfahren und Vorrichtung zum Warnen eines Fahrers eines Kraftfahrzeugs
DE102011085646A1 (de) * 2011-11-03 2013-05-08 Osram Gmbh Halbleiterlampe mit Kolben
KR101423387B1 (ko) * 2011-10-18 2014-07-24 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 Ｌｅｄ 조명 장치를 위한 코팅된 디퓨저 캡
TWI493139B (zh) * 2013-05-08 2015-07-21 隆達電子股份有限公司 照明燈具
KR101640398B1 (ko) * 2015-09-17 2016-07-18 주식회사 영우 Led용 패드 조성물의 제조방법
WO2019134892A1 (fr) * 2018-01-02 2019-07-11 Signify Holding B.V. Lampe de table
CN110036251A (zh) * 2016-11-30 2019-07-19 利勃海尔-家用电器奥克森豪森有限责任公司 冷藏和/或冷冻装置
EP2542834B1 (fr) * 2010-03-03 2020-02-05 Ideal Industries Lighting Llc Lampe ou ampoule del à propriétés de diffusion accrues présentant une configuration éloignée de diffuseur et de luminophore
CN111254656A (zh) * 2018-11-30 2020-06-09 青岛海尔滚筒洗衣机有限公司 衣物护理设备

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CN110036251A (zh) * 2016-11-30 2019-07-19 利勃海尔-家用电器奥克森豪森有限责任公司 冷藏和/或冷冻装置
WO2019134892A1 (fr) * 2018-01-02 2019-07-11 Signify Holding B.V. Lampe de table
US11085596B2 (en) 2018-01-02 2021-08-10 Signify Holding B.V. Table lamp
CN111254656A (zh) * 2018-11-30 2020-06-09 青岛海尔滚筒洗衣机有限公司 衣物护理设备

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