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WO2018155946A1 - Module émetteur de lumière, lentille et appareil d'éclairage tubulaire les comprenant - Google Patents

Module émetteur de lumière, lentille et appareil d'éclairage tubulaire les comprenant Download PDF

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Publication number
WO2018155946A1
WO2018155946A1 PCT/KR2018/002238 KR2018002238W WO2018155946A1 WO 2018155946 A1 WO2018155946 A1 WO 2018155946A1 KR 2018002238 W KR2018002238 W KR 2018002238W WO 2018155946 A1 WO2018155946 A1 WO 2018155946A1
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WO
WIPO (PCT)
Prior art keywords
light
light emitting
lens
long axis
incident
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/002238
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English (en)
Korean (ko)
Inventor
왕유안
이도광
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seoul Semiconductor Co Ltd
Original Assignee
Seoul Semiconductor 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 Seoul Semiconductor Co Ltd filed Critical Seoul Semiconductor Co Ltd
Publication of WO2018155946A1 publication Critical patent/WO2018155946A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • 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
    • F21K9/69—Details of refractors 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
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • 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 a light emitting module, a lens and a tubular lighting apparatus including the same, and more particularly, to a light emitting module, a lens and a tubular lighting apparatus including the same that can diffuse the light emitted from the light emitting diode.
  • a light emitting diode is an inorganic semiconductor device that emits light generated through recombination of electrons and holes. Recently, light emitting diodes have been used in various fields such as display devices, vehicle lamps, and general lighting. The light emitting diode has a long lifespan, low power consumption, and fast response speed. The LEDs are rapidly replacing conventional light sources.
  • Shading and hot spots are a phenomenon in which when the plurality of light emitting diodes are spaced apart from each other, the position between the light emitting diodes is dark and the position where the light emitting diodes are arranged is bright.
  • the conventional tubular lighting device can narrow the interval of the plurality of light emitting diodes so that no shadows or hot spots occur.
  • the interval between the light emitting diodes is narrowed, there is a problem that the manufacturing cost can be increased because the number of light emitting diodes used in the tubular lighting device increases.
  • An object of the present invention is to provide a light emitting module, a lens, and a tubular lighting device for preventing shadows or hot spots even when a plurality of light emitting diodes are used in a tubular lighting device or the like, even if the distance between the light emitting diodes is widened.
  • a light emitting module a plurality of light emitting elements disposed on a substrate; A plurality of lenses respectively disposed on the plurality of light emitting devices, the plurality of lenses dispersing light emitted from the light emitting devices, and each of the plurality of lenses includes a light incident part to which light emitted from the light emitting devices is incident; And a light emitting part for emitting the light, wherein the light receiving part and the planar shape of the light exiting part have a long axis and a short axis, respectively, and the long axis of the light incident part and the long axis of the light exiting part may be disposed to have a predetermined angle with each other. .
  • the long axis of the light incident part and the long axis of the light exit part may be disposed perpendicular to each other.
  • the lens may have a stepped portion surrounding the light incident portion.
  • the light exit portion may include a boundary portion where two convex portions and the two convex portions overlap, and the boundary portion may be concave in an arc shape in cross section.
  • the light exit portion of the lens may have a ratio of 1.5 to 3: 1 in length of the long axis and short axis.
  • the height from the substrate to the upper surface of the plurality of light emitting devices may be greater than the height from the substrate to the light incident portion of the lens.
  • the lens according to an embodiment of the present invention the light incident portion formed in the lower portion, the light emitted from the light emitting element is incident; And a light exit part for outputting light incident to the light incident part to the outside, wherein the planar shape of the light incident part and the light exit part has a long axis and a short axis, respectively, and the long axis of the light incident part and the long axis of the light exit part are predetermined. It may be formed to have an angle of.
  • the long axis of the light incident portion and the long axis of the light exit portion may be formed perpendicular to each other.
  • the light incident portion may have a concave shape
  • the light exit portion may have a boundary portion where two convex portions and the two convex portions overlap
  • the boundary portion may be concave in an arc shape on a cross section.
  • the light exit portion may have a length of 1.5 to 3: 1 in the length of the long axis and the short axis.
  • the apparatus may further include a plurality of legs disposed around the light incident part.
  • It is disposed to surround the light incident portion, it may further include a stepped stepped from the bottom to the top direction.
  • the tubular lighting device having a light emitting surface; And a light emitting module array accommodated in the cover and having a plurality of light emitting modules arranged at regular intervals in a length direction of the cover, wherein each of the plurality of light emitting modules is disposed on the light emitting device and the light emitting device.
  • a lens for dispersing light emitted from the light emitting device wherein the lens includes a light incident part to which light emitted from the light emitting device is incident and a light exit part to emit incident light, and includes a plane of the light incident part and the light exiting part.
  • the shape has a long axis and a short axis, respectively, and the long axis of the light incident part and the long axis of the light exit part may be disposed to have a predetermined angle with each other.
  • the interval between the plurality of light emitting modules may be 20mm to 50mm.
  • the light emitting module array may include a substrate; And a plurality of light emitting modules disposed on the substrate, the plurality of light emitting modules including a plurality of light emitting devices and a plurality of lenses, and the cover may be coupled to the substrate.
  • the light emitting module array may include a substrate; And a plurality of light emitting modules disposed on the substrate, the plurality of light emitting modules including a plurality of light emitting elements and a plurality of lenses, wherein the cover has a cylindrical shape, and the substrate is inserted into and coupled to the cylindrical cover. .
  • the light emitted from the light emitting device can emit light in a narrow and long direction through the lens, so that even if the number of light emitting devices used in a lighting device such as a tubular lighting device is reduced, shading or hot spots are reduced. There is an effect that does not occur.
  • the lens of the present invention has a long axis and a short axis in the cross-sectional shape of the light incidence portion like an ellipse shape, and the light emitted from the light emitting diode chip is formed as the long axis direction of the light incidence portion is disposed perpendicular to the length direction of the lens. There is an effect to disperse more widely in the longitudinal direction.
  • FIG. 1 is a cross-sectional view showing a light emitting module according to an embodiment of the present invention.
  • FIG. 2 is a plan view illustrating a lens included in a light emitting module according to an embodiment of the present invention.
  • FIG 3 is a bottom view illustrating a lens included in a light emitting module according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a light emitting module according to an embodiment of the present invention, a cross-sectional view showing a light emitting module having a lens coupled along the cutting line BB 'of FIG.
  • FIG. 5 is a perspective view illustrating a light emitting module according to an embodiment of the present invention, and illustrates a cross section of the lens in order to explain the shape of the lens.
  • FIG. 5 is a perspective view illustrating a light emitting module according to an embodiment of the present invention, and illustrates a cross section of the lens in order to explain the shape of the lens.
  • FIG. 6 is a plan view illustrating a tubular lighting device according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing a tubular lighting device according to an embodiment of the present invention.
  • FIG. 8 is a side cross-sectional view showing a tubular lighting device according to an embodiment of the present invention.
  • FIG. 9 is a side cross-sectional view showing a tubular lighting device according to another embodiment of the present invention.
  • FIG. 1 is a cross-sectional view showing a light emitting module according to an embodiment of the present invention.
  • 2 is a plan view illustrating a lens included in a light emitting module according to an embodiment of the present invention.
  • 3 is a bottom view illustrating a lens included in a light emitting module according to an embodiment of the present invention.
  • 4 is a cross-sectional view showing a light emitting module according to an embodiment of the present invention, a cross-sectional view showing a light emitting module having a lens coupled along the cutting line BB 'of FIG.
  • Figure 5 is a perspective view showing a light emitting module according to an embodiment of the present invention, a cross-sectional view of the lens to explain the shape of the lens.
  • the shape of the lens shown in Figure 1 is a cross-sectional view taken along the cutting line AA 'of FIG.
  • the light emitting module 100 includes a light emitting device 110 and a lens 120.
  • the light emitting device 110 may be disposed on the substrate 200.
  • the substrate 200 may be insulative and a conductive circuit may be formed on the substrate 200. And it serves to support the light emitting device 110 and the lens 120.
  • the substrate 200 may be a printed circuit board and may have a mounting groove in which the light emitting device 110 is mounted.
  • the light emitting device 110 may be disposed in the mounting groove when the mounting groove is formed in the substrate 200.
  • the light emitting device 110 may be a light emitting diode chip having an SMD type, and may have a shape of a chip type light emitting diode package as necessary.
  • the light emitting device 110 may include a package, a light emitting diode chip, and a wavelength conversion layer.
  • the light emitting diode chip may be disposed on the housing, and the wavelength conversion layer may be disposed on the light emitting diode chip.
  • the housing may be formed of a resin or the like and have a cavity in which a light emitting diode chip is mounted.
  • the wavelength conversion layer may be disposed to cover the light emitting diode chip, and may include one or more kinds of phosphors that may convert white light emitted from the light emitting diode chip to emit white light to the outside.
  • the LED chip may include a light emitting structure including an n-type semiconductor layer, an active layer, and a p-type semiconductor layer.
  • the n-type semiconductor layer, the active layer, and the p-type semiconductor layer may each include a III-V group compound semiconductor, and may include, for example, a nitride semiconductor such as (Al, Ga, In) N.
  • the n-type semiconductor layer may be a conductive semiconductor layer including n-type impurities (eg, Si), and the p-type semiconductor layer may be a conductive semiconductor layer including p-type impurities (eg, Mg).
  • the active layer may be interposed between the n-type semiconductor layer and the p-type semiconductor layer, and may include a multi quantum well structure (MQW).
  • the composition ratio may be determined to emit light of a desired peak wavelength. In this embodiment, the composition ratio of the light emitting diode chip may be determined so as to emit blue light or ultraviolet light to the outside.
  • the light emitting device 110 will be described as having a shape of a light emitting diode package, but if necessary, the light emitting device 110 may be formed of a light emitting diode chip of the SMD type as described above. .
  • the lens 120 is provided to disperse the light emitted from the light emitting device 110 and is disposed to cover the light emitting device 110.
  • the lens 120 has an incident surface 121a through which light emitted from the light emitting element 110 is incident, and a light exit part 127 through which light is emitted from the lens 120 to the outside.
  • the incident surface 121a is an inner surface of the light incident part 121 having a concave shape formed under the lens 120.
  • the light incident part 121 may be formed under the lens 120 and disposed at the center of the lens 120.
  • the shape of the light incident part 121 may have a concave shape such as a longitudinal shape, as shown in FIG. 1.
  • the cross section of the light incident portion 121 may have an elliptical shape, as shown in FIG. That is, the x-axis width W1 of the light incident part 121 may be smaller than the y-axis width W2 of the light incident part 121 (W1 ⁇ W2).
  • the stepped part 123 is disposed around the light incident part 121.
  • the blocking part may be disposed between the lower surface 125 and the light incident part 121 of the lens 120, and may have a concave shape inward of the lens 120 than the lower surface 125 of the lens 120.
  • An inner upper portion of the stepped portion 123 may have a flat surface, and the planar shape of the stepped portion 123 may have a circular shape, as shown in FIG. 3.
  • the lens 120 when the lens 120 is disposed to cover the light emitting device 110 as the stepped portion 123 is disposed to surround the light incident part 121, the lens 120 may be more freely disposed in the arrangement of the light emitting device 110. Can be installed.
  • the upper surface of the light emitting device 110 may be disposed in the light incident portion 121. That is, the height from the top surface of the substrate 200 to the light emitting device 110 may be greater than the height from the top surface of the substrate 200 to the top surface of the stepped portion 123. Accordingly, the light emitted from the light emitting device 110 may be minimized from entering the lens 120 at a position other than the incident surface 121a of the light incident portion 121.
  • the light exit part 127 of the lens 120 may include a boundary part 127c which is an area where two convex parts 127a and 127b and two convex parts 127a and 127b overlap.
  • the boundary part 127c may have an arc shape in cross section, but is not necessarily limited thereto. Accordingly, light incident on the lens 120 through the incident surface 121a of the light incident part 121 may be more dispersed in the lateral direction through the convex parts 127a and 127b of the light exit part.
  • the planes of the two convex portions 127a and 127b of the light exit portion 127 may have an arc shape, and the two circles may have a shape such as a peanut shape of a partially overlapped shape. .
  • the length of the lens 120 may be different from the length of the x-axis direction and the length of the y-axis direction, and the length of the x-axis direction may be the length of the y-axis direction. It can be longer.
  • the ratio of the length of the lens 120 in the x-axis direction and the length of the y-axis direction may be 1.5 to 3: 1. Accordingly, the amount of light emitted to the outside through the lens 120 may be emitted at a ratio of 1.5 to 3: 1.
  • the length in the x-axis direction and the length in the y-axis direction of the lens 120 are different from each other, as illustrated in FIG. 2, the length B1 of the light-emitting portion 127 of the lens 120 is output. This is because it is longer than the y-axis length B2 of the light section 127, and at this time, the ratio of the x-axis length B1 of the light exit section 127 and the y-axis length B2 of the light exit section 127 is 1.5 to 3: 1 may be.
  • the major axis direction of the light exit part 127 of the lens 120 and the major axis direction of the light incident part 121 are different from each other.
  • the long axis direction of the light exit portion 127 and the long axis direction of the light incident portion 121 are described as being perpendicular to each other, but the present invention is not limited thereto, and the long axis direction of the light exit portion 127 and the light incident portion 121 are described.
  • the long axis direction of may form an angle of greater than 0 degrees and less than 180 degrees.
  • the light emitting part is more than the shorter direction (y-axis direction) of the light output part 127 of the lens 120. More light can be emitted in the long axis direction (x-axis direction) of 127.
  • a plurality of leg parts 129 may be disposed on the bottom surface 125 of the lens 120.
  • the plurality of leg portions 129 are disposed outside the step portion 123 on the lower surface 125 of the lens 120, and in this embodiment, four leg portions 129 will be described.
  • the leg part 129 is provided to separate the lower surface 125 of the lens 120 from the substrate 200 when the lens 120 is installed on the substrate 200, and the lens 120 is disposed on the substrate 200. It can be stably bound to a phase.
  • FIG. 6 is a plan view showing a tubular lighting device according to an embodiment of the present invention
  • Figure 7 is a cross-sectional view showing a tubular lighting device according to an embodiment of the present invention
  • 8 is a side cross-sectional view showing a tubular lighting device according to an embodiment of the present invention.
  • the tubular lighting device 300 includes a light emitting module 100 and a cover 310.
  • the cover 310 may have a tube shape having a light emitting surface.
  • the cover 310 may have a predetermined thickness, and as shown in FIG. 8, the cross section may have a tube shape having an arc shape.
  • the plurality of light emitting modules 100 may be disposed in the cover 310 at predetermined intervals.
  • the plurality of light emitting modules 100 may have a long axis of the lens 120 in the same direction as the length direction of the cover 310. Accordingly, the light emitted from the light emitting module 100 may emit more light in the longitudinal direction of the tubular lighting device 300. Accordingly, the number of light emitting modules 100 to be installed may be reduced as compared with the conventional tubular lighting device 300 that does not use the lens 120.
  • the plurality of light emitting modules 100 installed in the tubular lighting device 300 are disposed to maintain a distance that can minimize interference of light emitted from each light emitting module 100. Accordingly, the influence of heat generated by each light emitting module 100 on the adjacent light emitting module 100 can be minimized.
  • the interval between the plurality of light emitting module 100 is installed may be changed by various acceptances such as the purpose and manufacturing method, the interval (T) between the light emitting module 100 may be 20mm ⁇ T ⁇ 50mm.
  • the light emitted from the plurality of light emitting modules 100 can be effectively dispersed, and the light can be uniformly emitted to the outside over the entire cover 310 of the tubular lighting device 300. Accordingly, the viewing angle (that is, the orientation angle) may be secured, the interference between the light emitting modules 100 may be minimized, and the damage of the light emitting device 110 of the light emitting module 100 may be minimized by heat. .
  • the cover 310 is manufactured through a separate process, and the cover 310 may be coupled with the substrate 200 on which the at least one light emitting module 100 is mounted. Can be. In this case, a separate groove or mounting portion for mounting the cover 310 may be formed in the substrate 200.
  • FIG. 9 is a side cross-sectional view showing a tubular lighting device according to another embodiment of the present invention.
  • the tubular lighting device 300 is an example in which a substrate 200 in which a plurality of light emitting modules 100 are installed is installed in a cover 310.
  • the cover 310 has a cylindrical shape, and the substrate 200 in which the plurality of light emitting modules 100 are installed is mounted in the cover 310.
  • the cover 310 may be provided with a groove or a mounting portion that can be coupled to the substrate 200.
  • 127 light exit portion 127a
  • 127b convex portion

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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)
  • Led Device Packages (AREA)

Abstract

La présente invention concerne un module émetteur de lumière, une lentille et un appareil d'éclairage tubulaire les comprenant. Un module émetteur de lumière selon un mode de réalisation de la présente invention peut comprendre : une pluralité d'éléments émetteurs de lumière disposés sur un substrat ; et une pluralité de lentilles respectivement disposées au-dessus de la pluralité d'éléments émetteurs de lumière de façon à diffuser la lumière émise par les éléments émetteurs de lumière. Chaque lentille de la pluralité de lentilles comprend une partie d'entrée de lumière à laquelle la lumière émise par chacun des éléments émetteurs de lumière est incidente et une partie de sortie de lumière depuis laquelle la lumière incidente est émise. Dans une vue en plan, la partie d'entrée de lumière et la partie de sortie de lumière possèdent chacune un axe principal et un axe secondaire, et l'axe principal de la partie d'entrée de lumière et l'axe principal de la partie de sortie de lumière sont disposés pour former un angle prédéterminé l'un par rapport à l'autre. Selon la présente invention, la lumière émise par un élément émetteur de lumière peut être diffusée dans une direction étroite et longue à travers une lentille, et ainsi une ombre ou un point chaud ne se produit pas même lorsqu'un nombre réduit d'éléments émetteurs de lumière sont utilisés dans un appareil d'éclairage tel qu'un appareil d'éclairage tubulaire.
PCT/KR2018/002238 2017-02-24 2018-02-23 Module émetteur de lumière, lentille et appareil d'éclairage tubulaire les comprenant Ceased WO2018155946A1 (fr)

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Application Number Priority Date Filing Date Title
KR10-2017-0024853 2017-02-24
KR1020170024853A KR20180097978A (ko) 2017-02-24 2017-02-24 발광모듈, 렌즈 및 이를 포함하는 튜브형 조명 장치

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WO2018155946A1 true WO2018155946A1 (fr) 2018-08-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007625A (zh) * 2021-03-04 2021-06-22 佛山电器照明股份有限公司 光源模组及吸顶灯

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US20080239722A1 (en) * 2007-04-02 2008-10-02 Ruud Lighting, Inc. Light-Directing LED Apparatus
KR20120133264A (ko) * 2011-05-31 2012-12-10 삼성전자주식회사 발광소자 렌즈, 이를 포함하는 발광소자 모듈 및 이를 이용한 발광소자 모듈의 제조방법
KR20150012342A (ko) * 2013-07-25 2015-02-04 현대중공업 주식회사 선박부속기기 관련정보 관리시스템
KR101573437B1 (ko) * 2014-12-24 2015-12-01 주식회사 루멘스 발광 소자용 렌즈 및 백라이트 유닛
KR20160002057U (ko) * 2014-12-05 2016-06-15 서울반도체 주식회사 발광 모듈 및 이를 포함하는 튜브형 조명장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080239722A1 (en) * 2007-04-02 2008-10-02 Ruud Lighting, Inc. Light-Directing LED Apparatus
KR20120133264A (ko) * 2011-05-31 2012-12-10 삼성전자주식회사 발광소자 렌즈, 이를 포함하는 발광소자 모듈 및 이를 이용한 발광소자 모듈의 제조방법
KR20150012342A (ko) * 2013-07-25 2015-02-04 현대중공업 주식회사 선박부속기기 관련정보 관리시스템
KR20160002057U (ko) * 2014-12-05 2016-06-15 서울반도체 주식회사 발광 모듈 및 이를 포함하는 튜브형 조명장치
KR101573437B1 (ko) * 2014-12-24 2015-12-01 주식회사 루멘스 발광 소자용 렌즈 및 백라이트 유닛

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007625A (zh) * 2021-03-04 2021-06-22 佛山电器照明股份有限公司 光源模组及吸顶灯

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