WO2016163532A1 - Dispositif d'éclairage du type à diodes électroluminescentes - Google Patents

Dispositif d'éclairage du type à diodes électroluminescentes Download PDF

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Publication number
WO2016163532A1
WO2016163532A1 PCT/JP2016/061598 JP2016061598W WO2016163532A1 WO 2016163532 A1 WO2016163532 A1 WO 2016163532A1 JP 2016061598 W JP2016061598 W JP 2016061598W WO 2016163532 A1 WO2016163532 A1 WO 2016163532A1
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WO
WIPO (PCT)
Prior art keywords
light
led element
reflecting member
led
tube
Prior art date
Application number
PCT/JP2016/061598
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English (en)
Japanese (ja)
Inventor
英俊 三塚
小島　裕二郎
栗原　健一
和憲 小島
Original Assignee
株式会社アブラム
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 JP2015246720A external-priority patent/JP2017050265A/ja
Priority claimed from JP2015247951A external-priority patent/JP2017050266A/ja
Priority to AU2016244591A priority Critical patent/AU2016244591A1/en
Priority to CN201680032961.8A priority patent/CN107709870A/zh
Priority to MX2017013051A priority patent/MX2017013051A/es
Priority to BR112017021693A priority patent/BR112017021693A2/pt
Application filed by 株式会社アブラム filed Critical 株式会社アブラム
Priority to SG11201708255PA priority patent/SG11201708255PA/en
Priority to US15/565,663 priority patent/US20180149320A1/en
Priority to RU2017136552A priority patent/RU2017136552A/ru
Priority to CA2982245A priority patent/CA2982245A1/fr
Priority to EP16776698.9A priority patent/EP3312496A4/fr
Publication of WO2016163532A1 publication Critical patent/WO2016163532A1/fr
Priority to PH12017501839A priority patent/PH12017501839A1/en
Priority to IL254911A priority patent/IL254911A0/en

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Classifications

    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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

Definitions

  • the present invention relates to a light-emitting diode illuminating device characterized by a heat dissipation / reflection structure, and more particularly to a straight tube light-emitting diode illuminating device.
  • LEDs emit light when a voltage is applied to a semiconductor element. It is well known to mount an element on a substrate and conduct electricity, but dissipate the heat generated when electricity is passed through the LED element. To do so, a heat sink is essential.
  • LEDs can reduce power consumption and produce the same illuminance and light energy as conventional incandescent and fluorescent lamps, and are expected to become more popular in the future. Yes.
  • a straight tube type LED lighting tube that has the same appearance as a fluorescent lamp and can be directly attached to an existing fluorescent lamp fixture is a typical LED light source.
  • LED lighting tubes are roughly divided into those for general lighting and plant cultivation, each of which is a semi-transparent or cylindrical shape made up of a light emitting surface made of transparent glass or synthetic resin and a heat sink for heat dissipation of the LED substrate. It is a tube. Inside the tube body, LED elements are mounted on one surface at predetermined intervals, and a circuit board through which a current flows is provided.
  • the LED illuminating tube has a shape similar to that of a straight tube fluorescent lamp as a whole, and a base is mounted on both sides of the tube body, and terminals for connecting to the fixture are formed to protrude.
  • the LED lighting tube can be attached to an existing fluorescent lamp fixture as well as newly installed, and the LED in the tube can emit light by receiving power supply from the LED lighting tube.
  • Patent Document 1 a cylindrical tubular body made of polycarbonate and an aluminum attached to an opening provided in a part of the periphery of the tubular body are disclosed.
  • An LED illuminating tube comprising a heat sink made of metal and a plurality of LEDs mounted in the tube is disclosed.
  • an annular structure having an internal cavity is constituted by a translucent casing and a heat sink having a holding portion coupled to the casing, and is fixed in a heat conductive manner to the holding portion of the heat sink.
  • An LED lighting tube is disclosed that includes a circuit board, one or more LED light sources attached to the circuit board, and two end caps fitted to the ends of the tubular structure. In Patent Document 2, it can be used by attaching to a fluorescent lamp fixture instead of a conventional fluorescent lamp, and uniformly illuminates at a wide angle.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2011-113876 Japanese Patent Application Laid-Open No. 2013-219004
  • the present invention has been made in view of the conventional drawbacks, and its object is to emit light emitted from an LED element as a light source with a wide irradiation angle of 160 to 180 degrees and high illuminance (total luminous flux). It is providing a type lighting device.
  • An LED illuminating tube comprising a total luminous flux transmissive plate disposed in the light irradiation direction; LED elements disposed on a substrate facing the total luminous flux transmitting plate in the LED illumination tube; A light reflecting member provided with a light reflecting surface disposed on the light emitting side of the LED element, and the light reflecting member is symmetrically or asymmetrically light with respect to the center line of the LED element.
  • the light reflecting and reflecting surface of the light reflecting member has a light directivity forming surface for irradiating the light emitted from the LED element to the outside of the tube through the total luminous flux transmitting plate by giving the light directivity to the light, Light for confining the light emitted from the LED element in the total luminous flux transmission plate and / or in the space between the total luminous flux transmission plate and the light reflecting member and irradiating the outside of the tube through the total luminous flux transmission plate
  • a containment means Light-emitting diode type lighting device.
  • An LED illuminating tube comprising a total luminous flux transmissive plate disposed in the light irradiation direction; LED elements disposed on a substrate facing the total luminous flux transmitting plate in the LED illumination tube; A light reflection member provided with a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element; The light reflecting member is disposed to extend in the light irradiation direction symmetrically or asymmetrically with respect to the center line of the LED element, The light reflecting and reflecting surface of the light reflecting member has a light directivity forming surface for irradiating the light emitted from the LED element to the outside of the tube through the total luminous flux transmitting plate by giving the light directivity to the light, A pseudo LED element forming surface for projecting a pseudo LED element of the LED element, When the LED element is viewed from the direction of light emitted from the LED element disposed on the substrate, the pseudo LED element of the LED element disposed on the substrate appears on the pseudo LED formation surface. Diode-
  • An LED illuminating tube comprising a total luminous flux transmissive plate disposed in the light irradiation direction; LED elements disposed on a substrate facing the total luminous flux transmitting plate in the LED illumination tube; A light reflection member provided with a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element;
  • the light reflecting member includes a first light reflecting member and a second light reflecting member,
  • the first light reflecting member includes a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element,
  • the first light reflecting member is arranged to extend in the light irradiation direction symmetrically or asymmetrically with respect to the center line of the LED element,
  • the condensing reflection surface of the first light reflecting member has a light directivity forming surface for giving the light emitted from the LED element light directivity and irradiating the LED illumination tube outside the tube through the total luminous flux transmission plate,
  • An LED illuminating tube comprising a total luminous flux transmissive plate disposed in the light irradiation direction; LED elements disposed on a substrate facing the total luminous flux transmitting plate in the LED illumination tube; A light reflection member provided with a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element;
  • the light reflecting member includes a first light reflecting member and a second light reflecting member,
  • the first light reflecting member includes a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element,
  • the first light reflecting member is arranged to extend in the light irradiation direction symmetrically or non-target with respect to the center line of the LED element,
  • the condensing reflection surface of the first light reflecting member has a light directivity forming surface for giving the light emitted from the LED element light directivity and irradiating the LED illumination tube outside the tube through the total luminous flux transmission plate,
  • a pseudo LED element forming surface for projecting
  • the light emitting diode type illumination device is disposed at a position where it does not interfere with light emitted from the LED element.
  • the cylindrical tubular body includes a locking member that locks the light reflecting member.
  • the light reflecting member is made of a resin material.
  • a third light reflecting member that connects the first light reflecting member and the second light reflecting member is provided.
  • the pseudo LED element forming surface is defined and formed by the total reflectance of the first reflecting member, the elevation angle of the first reflecting member, and the distance between the LED element installation end and the first reflecting member. It is characterized by that.
  • the first light reflecting plate is characterized in that an elevation angle with respect to the substrate is set to 50 to 75 degrees.
  • the distance between the LED element installation end and the condensing reflection surface of the front reflecting member is 0.1 mm to 5.0 mm, the elevation angle with the substrate surface is 50 degrees to 75 degrees, and the first The height of the light reflecting plate is set to 5 times or more of the width of the LED element, preferably 10 mm to 20 mm.
  • the pseudo LED element forming surface is at least one of the total reflectance of the light reflecting surface, the elevation angle of the first light reflecting member, and the interval length between the LED element installation end and the condensing reflecting surface of the reflecting member.
  • the number of the pseudo LED elements projected on the pseudo LED forming surface is varied and projected by changing one of the two.
  • the second reflection member and / or the all-light transmission plate may include a light confinement recess.
  • the total light speed transmission plate has a total light speed transmittance of 95% or more.
  • the total reflectance of the light reflecting member is defined by 80% or more.
  • the light reflecting surface of the first reflecting member may be different in total reflectance and / or shape between the light directivity forming surface and the pseudo LED element forming surface.
  • the second light reflecting member includes a heat sink.
  • the light emitting diode type illumination device is a straight tube type light emitting diode type illumination device.
  • An electronic device including a light emitting diode illumination device.
  • a plant factory with light-emitting diode lighting equipment A plant factory with light-emitting diode lighting equipment.
  • An LED signboard provided with a light emitting diode illumination device.
  • an object of the present invention is to provide a light emitting diode illumination device capable of irradiating light emitted from an LED element with high illumination intensity (total luminous flux) at a wide irradiation angle of 160 to 180 degrees.
  • FIG. 5A shows a photograph irradiated from the illumination tube through the total luminous flux transmission plate from the state where the light emitted from the LED element is confined.
  • FIG. 5B shows a photograph irradiated from a state where light emitted from the LED element is not confined.
  • FIG. 1 is a schematic view showing a light emitting diode illumination device according to the present invention.
  • FIG. 2 is an exploded perspective view of the straight tube type light emitting diode illumination device shown in FIG.
  • FIG. 3 is a cross-sectional view of the straight tube type light emitting diode illuminating device according to the first embodiment taken along a cross-sectional line AA shown in FIG.
  • the light emitting diode type illumination device includes an LED illumination tube including a total luminous flux transmission plate arranged in the light irradiation direction; LED element as a light source disposed on the substrate facing the total luminous flux transmitting plate in the LED illumination tube, A first light reflecting member provided with a condensing reflection surface having a light reflection characteristic disposed on the light emitting side of the LED element; The first light reflecting member is arranged to extend in the light emitting direction symmetrically or asymmetrically with respect to the center line of the LED element, The condensing reflection surface of the first light reflecting member has a light directivity forming surface for giving the light emitted from the LED element light directivity and irradiating the LED illumination tube outside the tube through the total luminous flux transmission plate, A second reflecting member comprising a pseudo LED element forming surface for projecting the pseudo LED element of the LED element, and a light reflecting surface disposed on the illumination tube and having a light reflecting property facing the total luminous flux transmitting plate;
  • the second reflecting member comprising
  • the first light reflecting member 191 is disposed symmetrically with respect to the center line of the LED element on both sides of the LED element, and the light emitted from the LED element has a light directivity to be connected to the outside of the LED illumination tube. It is provided to extend so as to be irradiated.
  • the first light reflecting member 19 is integrally provided on the substrate 17.
  • FIG. 4 is a schematic diagram illustrating an optical path of light emitted from a light source that is an LED element in the light-emitting diode type illumination device of FIG.
  • the elevation angle of the first reflecting member with respect to the substrate is set to 50 to 75 degrees, preferably 50 to 65 degrees, and the second reflecting member is moved from the end of the first reflecting member.
  • the light emitted from the LED element goes straight in the internal space of the first reflecting member from directly below the light source of the LED element.
  • the total luminous flux transmission plate preferably has a curved surface.
  • the light emitted from the LED element is confined in the light flux confining means provided in the total light flux transmitting plate and / or in the space between the total light flux transmitting plate and the second reflecting member.
  • the light emitted from the confined LED element is irradiated outside the tube through the total luminous flux transmitting plate.
  • the second reflecting member and / or the total light flux transmitting plate include at least one recess for confining light.
  • the light emitted from the LED element through the translucent cover including the total luminous flux transmission plate is preferably irradiated with an irradiation angle: 120 to 180 degrees, a total luminous flux: 2000 to 3000 lm.
  • the elevation angle of the first light reflecting plate is changed from 50 degrees to 75 degrees, the distance between the arrangement end of the LED element and the first light reflecting plate is set to 0.1 to 5.0 mm, and the height of the first light reflecting plate is set to LED.
  • the width By setting the width to 5 times or more of the element width, preferably 10 mm to 20 mm, it is possible to eliminate the loss of light amount over a wide irradiation angle, and to improve the illuminance and PPFD.
  • the illuminance irradiated by the LED light source is preferably 1.5 to 2.0 times. Note that the elevation angle of the first reflecting member with respect to the substrate, the distance between the LED element end portion and the reflecting plate, and the height of the reflecting plate may be varied according to the size of the LED lighting device such as the diameter.
  • FIG. 5A shows the total luminous flux transmission plate from the state in which the light emitted from the LED element is confined in the total luminous flux transmission plate as the light confinement means and / or in the space between the total luminous flux transmission plate and the second reflecting member. The figure irradiated through is shown.
  • FIG. 5B shows a view irradiated from an unconfined state, respectively. From the figure, it can be seen that the light irradiated through the total luminous flux transmission plate from the state where the light is confined is irradiated almost uniformly over the entire total luminous flux transmission plate.
  • the light irradiated from the unconfined state has a bright central area where the LED elements are arranged, and its peripheral area has lower illuminance than the central area, and the central area and the peripheral area of the total luminous flux transmission plate. And the illuminance looks uneven.
  • FIG. 5A shows a color temperature of 3000K, total light transmittance: 60 to 70% (ML7500 series manufactured by Teijin Ltd .; milk white cover), and
  • FIG. 5B shows a color temperature of 3000K, total light transmittance: 89% (Teijin Chemicals).
  • a total luminous flux transmission plate of MN4800 series (transparent cover) clear plate) was used.
  • FIG. 6 shows that the pseudo LED element 13a of the LED element 13 mounted on the substrate is first reflected when the LED element is viewed from the direction in which the light emitted from the LED element disposed on the substrate is irradiated.
  • the photograph seen on the pseudo LED formation surface of a member is shown.
  • the illuminance of the LED element at that time is preferably 30 to 80 lx / w.
  • the pseudo LED element forming surface is defined and formed by the total reflectance of the first light reflecting surface, the elevation angle of the first light reflecting member, and the distance between the LED element installation end and the light reflecting surface of the reflecting member. It is preferable.
  • the total luminous flux transmission plate preferably has a total luminous flux transmittance of 95% or more.
  • the total reflectance of the reflecting member is preferably defined by 80% or more.
  • the light reflecting surface of the first light reflecting member according to the present invention preferably has different total reflectance and / or shape between the light directivity forming surface and the pseudo LED element forming surface.
  • the pseudo LED element forming surface varies at least one of the total reflectance of the light reflecting surface, the elevation angle of the first light reflecting member, and the distance between the LED element end and the reflecting member. It is preferable that the number of the pseudo LED elements projected on the pseudo LED forming surface is varied and projected.
  • FIG. 7 shows a schematic view in which the light reflecting member 19 is attached to the cylindrical tube body 10.
  • the cylindrical tubular body 10 includes a locking portion that locks the upper end portion 71 of the light reflecting member 19.
  • the locking portion includes a first locking portion and a second locking portion 72 for locking the upper end portion 71 of the light reflecting member 19 to the cylindrical tubular body 10.
  • the upper end portion 71 of the light reflecting member 19 is sandwiched between the first locking portion 70 and the second locking portion 72.
  • the upper end portion 71 of the light reflecting member 19 only needs to be locked to the first locking portion 70 or 72.
  • the cylindrical tube body 10 includes a locking portion that locks the substrate support member 17. Both ends of the substrate support member 17 are held between the third locking portion 74 and the fourth locking portion 76.
  • the substrate support member 17 only needs to be locked to the fourth locking portion 74 or 76.
  • the substrate support member 17 and the light reflecting member 19 are integrally formed. However, the substrate supporting member 17 and the light reflecting member 19 are confined in the light reflecting portion light confining space 62, and the confined light is irradiated from the total light flux transmitting plate 31 to the outside of the tube. It is preferred that The material 19 and the substrate support member 17 may be configured separately.
  • the light reflecting member 19 and the substrate support member 17 are fixed to each other with screws or an adhesive.
  • the light reflecting member 19 including the substrate support member 17 may be detachably attached from the locking portion.
  • the light reflecting member 19 and the substrate support member 17 may be separately attached to the locking portion so as to be removable.
  • the light directivity forming surface and the pseudo LED forming surface have different shapes.
  • the light directivity forming surface and the pseudo LED forming surface have at least a part of a shape other than a straight line and a straight line, for example, a curved surface, an unevenness, a saw shape, a combination of these shapes, and the pitch can be changed by these shapes. Alternatively, it may be formed in combination.
  • the light directivity forming surface and the pseudo LED forming surface may have the same shape.
  • the total reflectance may be different between the light directivity forming surface and the pseudo LED forming surface.
  • the total reflectance may be different in the range of 80% to 95%.
  • the first light reflecting member includes a light directivity forming surface for directing light emitted from the LED element to irradiate the LED illumination tube outside the tube, and a condensing reflection surface on the side facing the LED element. And a pseudo LED element forming surface for projecting the pseudo LED element of the mounted LED element.
  • the pseudo LED element forming surface may form a light directivity forming surface.
  • the light-emitting diode type illumination device When the light-emitting diode type illumination device is a straight tube type light-emitting diode type illumination lamp, it has a length and a diameter that can replace a conventional fluorescent tube in a fluorescent lamp fixture.
  • the total length of the straight tube type light emitting diode type illumination lamp is the same as that of a conventional straight tube type fluorescent lamp, and can be appropriately set to, for example, 300 mm to 2400 mm depending on the application.
  • the diameter is substantially the same as that of a conventional straight tube fluorescent lamp, and it is preferable that the overall shape and appearance are substantially the same as those of a straight tube fluorescent lamp.
  • the tube of the light emitting diode illumination device is a member having a substantially semi-cylindrical cross-sectional shape.
  • the tube of the light emitting diode illumination device can be formed of a material such as glass or synthetic resin, for example.
  • a member integrally formed so as to be a long semi-cylinder made of a material having predetermined elasticity such as polycarbonate resin may be used.
  • the whole or a part of the tube of the light emitting diode type illumination lamp has translucency, and may be formed of a transparent, translucent, and colored transparent material as long as it can transmit light.
  • an electronic component such as an AC power source for driving the light emitting diode type illumination device is provided in the LED illumination tube, and is mounted on the substrate in a position and wiring manner that does not interfere with the light emitted from the LED light source. It is preferable.
  • the illuminance projected by the pseudo LED element is not limited as long as the LLD element emits light, but preferably includes at least 30 lx / w to 80 lx / w.
  • the LED illuminance was measured by applying an alternating current of 100 V 50 Hz to the light emitting diode illumination device.
  • a general form AA illuminance form defined in JIS C1609 was used.
  • the measurement distance was set to 1 m between the front surface of the light source of the LED element and the illuminance-type measurement reference plane.
  • the light source was measured by lighting vertically downward.
  • the measurement results are as follows.
  • the power consumption (W) of the LED element is 19.5W. Measurement result 1; 724 (lx) 37.1 lx / w Measurement result 1; 870 (lx) 44.6 lx / w Measurement result 1; 1556 (lx) 79.8 lx / w
  • a power source that is a driving device for driving an LED element as a light source is (1) a single power source of 5V, 12V, or 24V, or (2) at least a forward voltage of 1.5V to 4.5V, or (3 ) It is preferable to drive with any voltage of 90V to 240V.
  • the power source is preferably disposed at a position where it does not interfere with light emitted from the LED element.
  • a power source for driving the LED element is disposed on the bottom of the tube below the substrate on which the LED element is mounted.
  • a power source for driving the LED element is mounted on the substrate on the opposite side of the first light reflecting member facing the LED element.
  • the LED element is a surface-mounted white LED that emits white light when the above-described predetermined voltage is applied. It is preferable that the LED elements are arranged at regular intervals so as to form a line along the longitudinal direction of the substrate 12 at the center position in the width direction on the surface side of the substrate. The LED elements may be arranged in a plurality of rows along the longitudinal direction of the substrate 12.
  • the reflective member preferably includes a heat sink member such as an Al material.
  • a heat sink member such as an Al material.
  • the distance between the heat sink part directly under the substrate on which the LED element is mounted and the heat sink part touched by the human body is set to be two to three times longer than the conventional heat sink. This improves the heat conduction efficiency and enhances the heat dissipation effect of the heat generated when the LED element is energized.
  • the heat sink structure directly under the substrate on which the LED element is mounted is not a semi-cylindrical structure and the distance from the LED element directly below and the heat sink that touches the human body is short, but the distance from directly below the LED element to the heat sink that touches the human body is increased. Therefore, it is preferable to adopt an M-type structure to increase the heat conduction efficiency and further promote heat dissipation.
  • an M-shaped heat sink (cross section) structure that condenses and reflects light at a constant angle reflects light emitted from the LED element, directs it in a predetermined direction, and improves illuminance.
  • the heat sink (cross section) of the M-shaped structure it is preferable to treat the heat sink surface on the LED element side with silver coating, plating or chrome treatment with high reflection efficiency.
  • the heat sink cover be of a diffusion type or a prism type.
  • the light emitting diode illumination device 1 has a length and a diameter that can replace a conventional fluorescent light tube in a fluorescent lamp fixture.
  • the total length of the light emitting diode illumination device is the same as that of a conventional straight tube fluorescent lamp, and can be appropriately set to, for example, 300 mm, 450 mm, 600 mm, 900 mm, 1200 mm, 1800 mm, 2400 mm, etc. according to the application.
  • the tube diameter of the light-emitting diode illuminating device is substantially the same as that of a conventional straight tube fluorescent lamp, and preferably has the same outer shape and appearance as a straight tube fluorescent lamp as a whole.
  • the light-emitting diode illuminating device 1 is provided in a cylindrical tube body 10 including a translucent cover 31 and a tube member 15 including a total luminous flux transmission plate, and the cylindrical tube body 10.
  • the LED element 13 as the light source, the substrate 12 on which the LED element 13 is mounted, the substrate support member 17, the light reflecting member 19, the LED controller 22, and the end cap 50 are provided.
  • the light reflecting member 19 includes a first light reflecting member 191, a second light reflecting member 193, and a third light reflecting member 195.
  • the tube member 15, the substrate support member 17, the first light reflecting member 191, the second light reflecting member 193, and the third light reflecting member 195 are made of a heat-resistant material such as aluminum, copper, or plastic.
  • the substrate support member 17 and the first light reflecting member 191 are preferably formed integrally. Further, it is preferable that the first light reflecting member 191, the second light reflecting member 193, and the third light reflecting member 195 are integrally formed. Furthermore, it is preferable that the substrate support member 17, the first light reflecting member 191, the second light reflecting member 193, and the third light reflecting member 195 are integrally formed. If plastic is used for these members 17, 191, 193, 195, these members can be easily formed integrally. The substrate support member 17, the first light reflecting member 191, the second light reflecting member 193, and the third light reflecting member 195 are individually formed, and then these members are selected and bonded with an adhesive, screws, or the like. May be.
  • a heat sink for these members 15, 17, 191, 193, and 195, a high heat dissipation effect can be obtained.
  • the heat sink is made of aluminum, the heat of the part touched by the human body is kept at a safe temperature, for example, It can be 40 degreeC.
  • the heat sink material is generally aluminum or copper, which is excellent in heat conduction efficiency.
  • the heat sink surface temperature which is the biggest problem of LED straight tubes (fluorescent lamp type) and LEDs, can be kept at a safe temperature (about 40 ° C.) even when touched by a human body.
  • the illuminance can be equivalent to or better than that of a fluorescent lamp.
  • the substrate 12 is accommodated and supported in a longitudinal internal space (closed space) of the substrate support member 17.
  • the LED element 13 is disposed in a stripe-like opening formed on the side of the translucent cover 31 of the substrate support member 17 with the light emitting surface facing the translucent cover 31.
  • the substrate 12 preferably has conductivity.
  • substrate support member 17 receives the heat
  • the first light reflecting member 191 is extended from one end serving as a coupling portion with the substrate support member 17 toward the translucent cover 31.
  • the LED element 13 is disposed on the center line 61 of the translucent cover 31 along the cross section in the cross section of the closed space of the light emitting diode lighting device 1.
  • the translucent cover 31 is preferably a total luminous flux transmission plate having a total luminous flux transmittance of 95% or more.
  • the total luminous flux transmission plate preferably has a total luminous flux transmittance of 95 (%) or more.
  • As the translucent cover 33 a resin-made ML series that is a high diffusion type manufactured by Teijin Limited was used.
  • the total luminous flux transmittance (%) is represented by the total luminous flux when the test piece is placed / total luminous flux when the test piece is not placed ⁇ 100.
  • the LED elements 13 mounted on the substrate 12 may be arranged in one row or in a plurality of rows with a predetermined interval in the longitudinal direction of the substrate. As shown in FIG. 2, a plurality of LED elements 13 are mounted on the substrate 12 at equal intervals along the longitudinal direction.
  • An LED controller 21 is disposed at the end of the substrate 12.
  • the first light reflecting member 191 is disposed symmetrically or asymmetrically with respect to the center line of the LED element on both sides of the LED element with a distance (S) from the LED element, and is directed to the light emitted from the LED element. It is provided to extend so that light is emitted from the LED illumination tube to the outside of the tube.
  • the length of the first reflecting member is preferably 5 times or more the width of the LED element, preferably about 10 mm to 20 mm from the substrate.
  • the first light reflecting member 191 preferably includes a condensing reflection surface 19a on the LED element side.
  • the condensing / reflecting surface 19a preferably includes a pseudo LED element forming surface 20b that reflects a pseudo LED element of the LED element mounted on the light directing surface 20a and the light reflecting surface facing the LED element.
  • the distance (S) between the LED element end and the condensing reflection surface of the first reflecting member 19 is 0.1 mm to 5.0 mm, preferably 0.5 mm to 2.0 mm. It is preferable that the elevation angle ⁇ of 19 is defined as 50 to 75 degrees, preferably 50 to 65 degrees, and the total reflectance of the reflecting member is set to 80% or more. The interval may be zero if an electrical insulating material is provided on a part of the condensing reflection surface.
  • FIG. 6 shows a diagram in which the pseudo LED element is projected on the condensing reflection surface 19a of the first reflecting member 19 when the lower side of the LED element mounted on the substrate is viewed from the irradiation direction of the LED element.
  • the end cap 50 is fitted into two end portions of a tubular structure constituted by the tubular member 15 and the translucent bar 31.
  • the end cap 50 is provided with a power supply pin 51.
  • the first light reflecting member 191 includes a condensing / reflecting surface 19a at an extending portion 23 that extends toward the translucent cover 31 in a direction in which light emitted from the LED element mounted on the substrate travels.
  • the extending portion 23 is disposed symmetrically or asymmetrically with respect to the center line of the LED element on both sides of the LED element in a direction in which light emitted from the LED element mounted on the substrate travels.
  • the extending part 23 is preferably arranged in a posture in which the light from the light emitting element 13 is directed to the translucent cover 31.
  • the first light reflecting member 19 extends along a curved shape of the first light reflecting member 191 extending at a predetermined elevation angle; an angle of 50 to 75 degrees toward the translucent cover 31 and the translucent cover 31.
  • a second light reflecting member 193 that is bent and a third light reflecting member 195 that connects the first light reflecting member 191 and the second light reflecting member 193 are provided.
  • the light reflecting member 19 is not limited to the structure of the first light reflecting member 191, the second light reflecting member 193, and the third light reflecting member 195, and may be configured in a multistage structure by connecting the light reflecting members.
  • the second light reflecting member 193 and the third light reflecting member 195 preferably include light reflecting surfaces 193a and 195a having light reflecting characteristics on the side facing the translucent cover 31, respectively.
  • the pseudo LED element forming surface is defined by at least one of the total reflectance of the light reflecting surface, the elevation angle of the first light reflecting member, and the distance between the LED element installation end and the light reflecting surface of the previous reflecting member. Preferably it is formed.
  • the total luminous flux transmission plate preferably has a total luminous flux transmittance of 95% or more.
  • the total reflectance of the reflecting member is preferably defined by 80% or more.
  • the total reflectance of the condensing reflection surface of the first light reflecting member is 80% or more.
  • silver plating, silver coating, chrome plating, or the like is preferably applied to the condensing reflection surface 19a. The illuminance at this time is determined based on the light brightness theorem that “the brightness is inversely proportional to the square of the distance between the light source and the irradiation surface”.
  • the light emitted from the LED element irradiates the outside of the tube through the total luminous flux transmission plate 31 through the light reflecting member 19.
  • the light emitted from the LED element is arranged corresponding to the light reflecting surface 193a of the second light reflecting member 193 when irradiating the tube through the total light flux transmitting plate 31 via the first light reflecting member 191. It is confined in the provided total light flux transmission plate 31 and / or confined in the light confinement path 60 formed between the total light flux transmission plate 31 and the second light reflecting member 193, and further provided in the light confinement path 60. It is preferable that the light confined and confined in the confined light confinement space 62 is irradiated from the total light flux transmission plate 31 to the outside of the tube.
  • the light emitted from the LED element is transmitted through a light reflecting member, preferably the first light reflecting member 191, and is confined in the light confining space 62, and the confined light is transmitted from the total light flux transmitting plate 31 to the tubular body. It is preferable to irradiate outside.
  • the first light reflecting member 191 has an elevation angle with respect to the substrate; 50 From 75 to 75 degrees, preferably from 50 to 65 degrees, the distance (S) between the LED element end and the first light reflecting member: 0.5 to 5.0 mm, the height of the reflector; the width of the LED element It is preferably set to 5 times or more, preferably 10 to 20 mm.
  • the light beam is confined in the total light beam transmission plate 31 disposed corresponding to the reflection surface of the second light reflection member 20, and / or in the space between the total light beam transmission plate and the second light reflection member. It is preferable that the confined light confined in the formed light confinement path 60 is radiated from the total luminous flux transmission plate 31 to the outside of the tube.
  • the light confinement path 60 formed in the space between the total light flux transmitting plate and the second light reflecting member is preferably formed by fitting the end of the second light reflecting member to the total light flux transmitting plate.
  • the second reflecting member and / or the total light flux transmitting plate preferably includes at least one light confinement recess 62.
  • the light emitted from the LED element to the outside of the tube through the total luminous flux transmitting plate is irradiated at an irradiation angle: 120 degrees to 180 degrees, a total luminous flux total luminous flux: 2000 to 3000 lm.
  • the pseudo LED is preferably projected on the first light reflecting member.
  • the translucent cover 31 can be passed.
  • the treatment for increasing the reflection efficiency of the present embodiment is silver coating, silver plating, or a coating equivalent thereto.
  • the total reflectance can be improved to 90%.
  • the light-emitting diode illumination device 1 uses a light reflecting member having the shape shown in FIGS. 2 and 3 so that the distance between the LED element and the outer peripheral surface of the light-emitting diode illumination device 1 (the part touched by the human body) is a conventional structure. Can be made longer (more than twice as long).
  • the illuminance distribution can be wide angle (140 degrees or more), and the performance (illuminance and light distribution) of the conventional fluorescent lamp is 50% of the power consumption of the fluorescent lamp.
  • the power consumption can be reduced to about 12 to 13 compared to the fluorescent lamp, and the illuminance / PPFD can be increased to 2 to 3 times (compared to the conventional LED). Contributes to safety and security without generating high heat like fluorescent tubes.
  • pipe type light emitting diode type illumination lamp 1 can be 500 g or less.
  • FIG. 8 is a cross section of the straight tube type light emitting diode illumination device of the present embodiment taken along the cross-sectional line AA shown in FIG.
  • the condensing reflection surface 19 a on the LED element side of the first light reflecting member 191 constituting the light reflecting member 19 has light reflecting characteristics and is concave with respect to the center line 61.
  • the curvature of the curved surface is appropriately determined according to the required optical characteristics.
  • the condensing reflection surface 19 a may be formed in a curved surface that is convex toward the center line 61.
  • the curvature of the curved surface is appropriately determined according to the required light directivity.
  • FIG. 9 is a cross-sectional view of the light-emitting diode illuminating device of the present embodiment taken along a cross-sectional line AA shown in FIG.
  • the whole or a part of the condensing reflection surface 219a on the LED element 13 side of the first light reflection member 191 has light reflection characteristics, and a large number of irregularities are formed.
  • the shape, size, interval, and number of the unevenness are appropriately determined according to required optical characteristics.
  • FIG. 10 is a cross section of the straight tube type light emitting diode illumination device of the present embodiment taken along the cross-sectional line AA shown in FIG.
  • the condensing reflection surface 19 a on the LED element 13 side of the first light reflecting member 19 is formed only on one of the center lines 61.
  • the light emitting diode type illumination device of the present embodiment is disposed at the end when a plurality of light emitting diode type illumination lamps are installed in parallel. In the present embodiment, the amount of light can be increased in one direction.
  • Fifth embodiment is a cross section of the straight tube type light emitting diode illumination device of the present embodiment taken along the cross-sectional line AA shown in FIG.
  • the condensing reflection surface 19 a on the LED element 13 side of the first light reflecting member 19 is formed only on one of the center lines 61.
  • the light emitting diode type illumination device of the present embodiment is disposed at the end when a plurality of light emitting diode type illumination lamps are installed in parallel. In
  • FIG. 11 is a cross-sectional view of the light-emitting diode type illumination device of the present embodiment taken along the cross-sectional line AA shown in FIG.
  • a space is formed between the light reflecting surface 293a of the second light reflecting member 293 facing the light transmitting cover 31 of the first light reflecting member 191 and the light transmitting cover 31.
  • the light reflecting surface 293a of the second light reflecting member 293 may be provided in contact with the inner surface of the translucent cover 31, as shown in the drawing. According to the said structure, it can suppress effectively that water flows in from the mounting part 83 in which the tubular member 33 and the translucent cover 31 are joined at the time of mounting
  • a frame member 40 that forms a space for accommodating the power supply 65 of the light emitting diode 13 is provided.
  • the drive apparatus provided with a power supply is arrange
  • the power supply 50 is installed at the position of the bottom of the frame member 40. Further, the power source 50 may be disposed on the base portion 17 in the space of the elevation angle ⁇ of the reflecting member 191.
  • a forward voltage for driving the LED element of the light emitting diode type illumination device at least 1.5V to 4.5V.
  • the forward voltage of one chip of the LED element emitting white light is, for example, 1.8V to 2.3V, 2.4V to 3.3V, 2.8V to 3.2V, 3.2V to 3.6V. 3.6V to 4.03V.
  • the LED lighting device of this example used a universal power source. 100 LED elements (chips) were connected.
  • the AC type input voltage (AC) is 20 W, 90 V to 264 Vac.
  • the power source can be driven using a battery.
  • the LED lighting device can be driven by a single power source such as 5V.
  • the driving power source may be a battery; 1.5V ⁇ n. Even if such a power source is used, the light emitted from the LED element has directivity, and the light directing surface 20b for irradiating the light from the LED illumination tube to the outside of the tube, and the side facing the LED element A pseudo LED element forming surface 20a for projecting the pseudo LED element of the mounted LED element on the condensing reflection surface can be provided.
  • a driving device such as an AC power source is preferably provided in the LED illumination tube and disposed at a position that does not interfere with light emitted from the LED light source.
  • electronic parts such as a power source other than the LED light source, all or a part thereof may be arranged on the back surface side instead of the front surface side of the substrate. Can be arranged on the back side, and the internal space on the surface side of the substrate can be widened.
  • a driving device such as an AC power source is preferably disposed below the substrate on which the LED elements in the LED lighting tube are mounted, or on the back side of the condensing reflection surface of the reflecting member.
  • a forward voltage for driving the LED element of the light emitting diode type lighting device at least 1.5V to 4.5V is applied to the LED element to drive the light emitting diode type lighting device, and the LED element mounted on the substrate
  • the pseudo LED element is displayed on the pseudo LED formation surface.
  • the pseudo LED element preferably projects the pseudo LED element on the pseudo LED formation surface if the LED element emits light.
  • the driving voltage is preferably driven by a single power source. Seventh embodiment
  • two light emitting diodes 13-1 and 13-2 may be provided in a direction orthogonal to the longitudinal direction.
  • the number of light emitting diodes 13 provided in the orthogonal direction may be three or more.
  • the light emitting diode 13-1 is sandwiched between the light reflecting member 19-1 and the light reflecting member 19-2, and the light reflecting member 19-1 and the light reflecting member 19-2 on the light emitting diode 13a side have reflection characteristics.
  • the light emitting diode 13-2 is sandwiched between the light reflecting member 19-2 and the light reflecting member 19-3, and the light reflecting member 19-2 and the light reflecting member 19-3 on the light emitting diode 13a side have reflection characteristics.
  • the two light emitting diodes 13-1 and 13-2 are arranged so as to be inclined so as to emit light in different directions toward the outside of the illumination device.
  • two light emitting diodes 13-1 and 13-2 may be provided in a direction orthogonal to the longitudinal direction.
  • the number of light emitting diodes 13 provided in the orthogonal direction may be three or more.
  • the light emitting diode 13-1 is sandwiched between the light reflecting member 19-1 and the light reflecting member 19-2, and the light reflecting member 19-1 and the light reflecting member 19-2 on the light emitting diode 13a side have reflection characteristics. Yes.
  • the light emitting diode 13-2 is sandwiched between the light reflecting member 19-2 and the light reflecting member 19-3, and the light reflecting member 19-2 and the light reflecting member 19-3 on the light emitting diode 13a side have reflection characteristics. Yes.
  • the light-emitting diode illumination device according to the present invention is preferably a straight tube light-emitting diode illumination device.
  • the light emitting diode type illumination device according to the present invention may be used for a light source of an electronic device, for example, a backlight of a liquid crystal device.
  • the present invention is applicable to light emitting diode type illumination lamps, electronic devices, plant factories, and LED signboards.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage à DEL qui est pourvu d'un élément réfléchissant qui s'étend de manière à conférer une directivité optique à la lumière émise à partir d'un élément de DEL et de manière à amener ladite lumière à rayonner à partir d'un tube d'éclairage à DEL vers l'extérieur du tube, l'élément réfléchissant étant pourvu d'une surface de formation de directivité optique permettant de conférer une directivité optique à la lumière émise par l'élément à DEL et de guider ladite lumière à partir du tube d'éclairage à DEL vers l'extérieur du tube et d'une surface de formation d'élément à pseudo-DEL qui projette un élément à pseudo-DEL de l'élément à DEL qui est monté sur une carte et la lumière émise par l'élément à DEL étant émise vers l'extérieur du tube après avoir été confinée à l'intérieur du tube.
PCT/JP2016/061598 2015-04-10 2016-04-08 Dispositif d'éclairage du type à diodes électroluminescentes WO2016163532A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP16776698.9A EP3312496A4 (fr) 2015-04-10 2016-04-08 Dispositif d'éclairage du type à diodes électroluminescentes
CA2982245A CA2982245A1 (fr) 2015-04-10 2016-04-08 Dispositif d'eclairage du type a diodes electroluminescentes
CN201680032961.8A CN107709870A (zh) 2015-04-10 2016-04-08 发光二极管式照明装置
MX2017013051A MX2017013051A (es) 2015-04-10 2016-04-08 Dispositivo de iluminación de tipo diodo emisor de luz.
BR112017021693A BR112017021693A2 (pt) 2015-04-10 2016-04-08 dispositivo de iluminação do tipo diodo emissor de luz, dispositivo eletrônico, fábrica de plantas e sinal de led
AU2016244591A AU2016244591A1 (en) 2015-04-10 2016-04-08 Light-emitting diode type lighting device
SG11201708255PA SG11201708255PA (en) 2015-04-10 2016-04-08 Light-emitting diode type lighting device
US15/565,663 US20180149320A1 (en) 2015-04-10 2016-04-08 Light-emitting diode type lighting device
RU2017136552A RU2017136552A (ru) 2015-04-10 2016-04-08 Светодиодное осветительное устройство
PH12017501839A PH12017501839A1 (en) 2015-04-10 2017-10-06 Light-emitting diode type lighting device
IL254911A IL254911A0 (en) 2015-04-10 2017-10-08 A light emitting diode type lighting device

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP2015080787 2015-04-10
JP2015-080787 2015-04-10
JP2015091148 2015-04-28
JP2015-091148 2015-04-28
JP2015-133423 2015-07-02
JP2015133423 2015-07-02
JP2015-197997 2015-09-06
JP2015197997 2015-09-06
JP2015190395 2015-09-07
JP2015-190395 2015-09-07
JP2015246720A JP2017050265A (ja) 2015-04-28 2015-12-01 発光ダイオード式照明装置
JP2015-246720 2015-12-01
JP2015247951A JP2017050266A (ja) 2015-04-10 2015-12-03 発光ダイオード式照明装置
JP2015-247951 2015-12-03

Publications (1)

Publication Number Publication Date
WO2016163532A1 true WO2016163532A1 (fr) 2016-10-13

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Citations (4)

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Publication number Priority date Publication date Assignee Title
US20120020066A1 (en) * 2010-07-22 2012-01-26 Hon Hai Precision Industry Co., Ltd. Led lighting device
US20120051039A1 (en) * 2010-08-24 2012-03-01 Hon Hai Precision Industry Co., Ltd. Led tube lamp
JP2013219004A (ja) * 2012-04-11 2013-10-24 Mass Technology (Hk) Ltd 蛍光灯取付具に使用するためのｌｅｄライト管
JP2014053267A (ja) * 2012-09-10 2014-03-20 Ricoh Co Ltd Ｌｅｄ直管形ランプ及び照明装置

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Publication number Priority date Publication date Assignee Title
US20120020066A1 (en) * 2010-07-22 2012-01-26 Hon Hai Precision Industry Co., Ltd. Led lighting device
US20120051039A1 (en) * 2010-08-24 2012-03-01 Hon Hai Precision Industry Co., Ltd. Led tube lamp
JP2013219004A (ja) * 2012-04-11 2013-10-24 Mass Technology (Hk) Ltd 蛍光灯取付具に使用するためのｌｅｄライト管
JP2014053267A (ja) * 2012-09-10 2014-03-20 Ricoh Co Ltd Ｌｅｄ直管形ランプ及び照明装置

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