WO2005057082A1 - 表示ランプ - Google Patents
表示ランプ Download PDFInfo
- Publication number
- WO2005057082A1 WO2005057082A1 PCT/JP2004/018518 JP2004018518W WO2005057082A1 WO 2005057082 A1 WO2005057082 A1 WO 2005057082A1 JP 2004018518 W JP2004018518 W JP 2004018518W WO 2005057082 A1 WO2005057082 A1 WO 2005057082A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- light
- emitting element
- light emitting
- convex
- Prior art date
Links
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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Definitions
- the present invention relates to a light emitting device such as an LED (light emitting die) chip used for a display device.
- a light emitting device such as an LED (light emitting die) chip used for a display device.
- the light from the light-emitting element especially / It relates to an indicator lamp that can be illuminated.
- the fS region where the light emitting element itself such as an LED emits light is a pin point, and as it is, it becomes omnidirectional illumination and the light is diffused, and the light emitting surface of the S cannot be formed.
- a condenser lens that covers the front of the light emitting element and converges light.
- Japanese Utility Model No. 6-287725 is known.
- This condensing lens has a light emitting element mounting portion formed at the bottom, and a wall that draws a parabolic curve from the bottom toward the front. The light from the light emitting element travels 51 degrees forward. .
- a deep ring-shaped groove is formed so that a convex portion is formed at the center of the front surface of the lens due to its structure. It is extremely difficult to shape the lens in a neat fiber shape, especially in a tall lens body, where the ring-shaped groove becomes too deep! / ⁇ ⁇ Lens size Depending on the talent, the light from the light emitting element could not always be illuminated forward efficiently and uniformly.
- a first object of the present invention is to provide a display lamp that is excellent in near-S view theory and has excellent visibility from a distance and is also excellent in viewability in order to solve the problem. You.
- a second object of the present invention is to provide a display lamp that can efficiently illuminate light from a light emitting element forward without unevenness without using a lens shape as a shelf. Disclosure of the invention
- the display lamp of the present invention is configured such that light emitted from a light emitting element provided on a light emitting element mounting portion formed at the bottom of a lens body is transmitted through a peripheral wall of the lens body and forwardly thigh.
- the peripheral wall of the frusto-conical light emitting element lens has one or more corners formed by changing the angle with the central axis of the lens body from the bottom to the front of the lens.
- a convex lens portion is formed in the middle of the front surface of the lens.
- a convex lens portion is formed in the middle of the front surface of the lens, and a convex ridge having a semi-circular cross section is formed on the outer periphery of the convex lens portion in a circular shape.
- the light from the light emitting element disposed at the bottom of the lens body of ⁇ is expanded toward the front;
- the light emitting element has a substantially circular shape in the periphery of the light emitting element below the lens body on which the lens body stands, and light traveling from the light emitting element toward the side peripheral surface of the hollow portion is refracted by the lens body.
- a convex lens portion protruding toward the front of the lens is protruded to make the outer surface a flat surface 15 and light traveling from the light emitting element toward the upper surface is equal to or less than the angle of the lens body. Then, the light that travels through the body is collected by the convex lens, and the light travels toward the lens.Then, the light that travels from the light-emitting element to the inner peripheral surface is Alt at an angle greater than the angle of the lens body. The fact that light is emitted from the above plane in the forward direction is considered to be Jujutsu.
- the display lamp of the present invention is arranged such that a ⁇ Kit lens is disposed on the upper surface of the light emitting element, light from the light emitting element is sent through the ⁇ R lens, and the display lamp is located in front of the lens.
- a convex lens portion formed by raising a transparent resin material in a convex shape from the upper part of the frame and forming ⁇ ⁇ in the frame disposed around the light emitting element is used as a wooden floor. It is.
- FIG. 1 is a fiber diagram showing a first difficult example of the display lamp of the present invention.
- FIG. 2 is a sectional view showing a first example of the display lamp of the present invention.
- FIG. 3 is a difficult view showing a second difficult example of the display lamp of the present invention.
- FIG. 4 is a sectional view showing a second embodiment of the display lamp of the present invention.
- FIG. 5 is a perspective view showing a third example of the display lamp of the present invention.
- FIG. 6 is a sectional view showing a third embodiment of the display lamp of the present invention.
- FIG. 7 is a perspective view showing a fourth example of the display lamp of the present invention.
- FIG. 8 is an explanatory view showing an optical path in a fourth example of the display lamp of the present invention.
- FIG. 9 is an illustration showing an optical path in a fifth embodiment of the display lamp of the present invention.
- FIG. 10 is a partial sectional view showing a sixth male example of the display lamp of the present invention.
- FIG. 11 is a sectional view showing a frame of a sixth example of the display lamp of the present invention.
- FIG. 12 is an illustration showing an optical path in a sixth alternative example of the display lamp of the present invention. Best mode for making invention
- FIGS. 1 and 2 show a display lamp according to a first embodiment of the present invention.
- This light-emitting eaves lens 1 obtained by forming a transparent resin into a substantially truncated cone is shown in FIG.
- a light emitting element mounting portion 3 for disposing a light emitting element 2 such as an LED on the bottom is formed, and the angle of the peripheral wall 4 with respect to the central axis of the lens is reduced in three steps from the bottom to the front of the lens.
- the lens has an oblique shape, and the lens front 5 is a flat surface.
- a convex lens I 6 (R5.78) whose front is more convex than this lens front 5 is keyed. .
- the oblique part has an angle with the center axis of the lens from the bottom to the front of the lens of 40.61. , 32.19 ° and 26.87 ° (of course, these may be angles of [ ⁇ ]).
- the concentric ring light is radiated from the peripheral corners 7 and 8 which are the three levels of the ⁇ oblique portion and which are viewed from the lens f ⁇ .
- FIGS. 3 and 4 show a display lamp according to a second embodiment of the present invention.
- This light emitting element lens 11 obtained by forming a transparent synthetic resin material into a substantially truncated cone shape is shown in FIGS.
- a light emitting element mounting portion 12 for mounting a light emitting element 2 such as an LED on the bottom is formed, and the angle of the peripheral wall 13 with the central axis of the lens is reduced in three steps from the bottom to the front of the lens.
- the angle between the lens and the central axis of the lens from the bottom to the front of the lens is 40.61. °, 32.19 ° and 26.87 ° (of course, these angles may be used).
- the front surface 14 of the lens is made flat (the outer periphery is slightly expanded in the form of a protruding jelly-like shape).
- the distance [5 away from ⁇ ] The curvature is reduced by the middle part of the force, and the curvature of is reduced to R 5.14
- the curvature of [5] will be referred to as R4.65.
- a bright concentric circle is seen from the front of the lens. Ring light is applied.
- FIGS. 5 and 6 show a display lamp of a third embodiment of the present invention.
- the light emitting element lens 21 is an arrangement of the light emitting element lens 1 of the first embodiment.
- a light-emitting element mounting portion 22 for disposing a light-emitting element 2 such as an LED is formed on the bottom, and the peripheral wall 23 has an angle from the center axis of the lens in three steps from the bottom to the front of the lens. Small In the three-step slope of the peripheral wall 23, from the end to the front of the lens, the angle between the center L of the lens and the axis is 40.61 °, 32.19, respectively. ° and 26.87 ° (of course, angles other than these may be used).
- the front surface 24 of the lens is made flat, and a force is formed at the center of the front surface of the lens front surface 24 by a convex lens portion 25 which is convex forward by a distance of / W ⁇ , and has a cross section on the outer periphery of the convex lens 3 ⁇ 45255.
- two corners are formed on the peripheral wall of the lens as boundaries of the arrogant part, but the invention is not limited to this, and one or three or more corners are provided. It may be.
- a light-emitting element lens 31 made of transparent thigh fat material of 1 mm and a height of about 12.5 mm is a roughly inverted truncated cone with a shape that gradually enlarges 3 ⁇ 4 toward the front.
- a light-emitting element 2 such as an LED at the bottom
- the peripheral wall 33 of the light-emitting element lens 31 has a curved surface which is slightly bulged outward from the lower end of the lens to the front surface 34 of the lens.
- the outer peripheral part of the lens front surface 3 4 may be formed as a flat surface 35, in which a convex lens 3 6 (R 5) having a convex front is provided, and the lens front surface 3 4 More ⁇ ⁇ ⁇ A directional force is formed forward from the standing position.
- the height of the lens 1 for the light emitting element is too high for the light emitting element 2 to be disposed.
- a conventional light emitting element lens which is formed by recessing a substantially circular 3 ⁇ 4 # -shaped medium ⁇ 7 37 from the lower end of the lens to a depth of about 1/3 of the lens length, At the lower end of the lens, the light emitting element power (only inside the J-shaped half) is placed).
- the upper surface 37 a of the middle 37 is formed of a requesting surface (R 4) convex toward the front of the lens, and the side peripheral surface 37 b of the middle 37 is connected to the lens ttl ⁇ from the lower end of the lens.
- the diameter “height” of the hole 537 is set according to the dimension & ⁇ of the light emitting element 2 disposed therein, the refractive index according to the material of the lens, and the outer dimensions of the lens.
- the light-emitting element lens 31 having such a configuration, as shown in FIG. 8, first, light traveling from the light-emitting element 2 to the upper surface 37 a of the above-mentioned 37 is formed on the concave curved surface of the upper surface 37 a. Almost vertically (less than or equal to the ⁇ Rlt angle according to the refractive index of the lens) Alt makes it difficult for the inside of the lens to be refracted in the direction in which light is condensed by the convex lens portion 36 of the front surface 34 of the lens, and forwards the lens Irradiated.
- the light passing through the convex lens portion 36 is used as TO light by setting the curvature of the convex lens portion 36 according to the refractive index of the lens of the eccentric lens. Then, the light traveling from the light emitting element 2 to the side peripheral surface 37 b of the above 37 is refracted by the Alt on the side peripheral surface 37 b below the ⁇ It angle corresponding to the refractive index of the lens and the peripheral wall 37 b. 3) Altl at 3 ⁇ 3 or more above the Kit angle, and then the lens front 3 It is radiated through the front of the lens through 35.
- FIG. 9 shows a display lamp according to a fifth embodiment of the present invention.
- This light-emitting element lens 41 is different from the fourth embodiment described above in that the convex lens on the front surface of the lens is eliminated. This is a flat surface, and the other components are the same.
- the light-emitting element lens 41 light traveling from the light-emitting element 2 toward the upper surface 42a of the center 42 is formed on the upper surface 42a.
- Alt is almost perpendicular to the concave curved surface of the lens, and the inside of the lens is tucked as it is.
- the lens is refracted in the direction of the central axis of the lens at the front surface 43 of the lens and is irradiated in front of the lens.
- the power of the light-emitting element 2 and the force directed to the side peripheral surface 4 2 b of the above-mentioned 42, and the incident light are altogether with respect to the side peripheral surface 42 b below ⁇ Kit angle according to the refractive index of the lens.
- the light is refracted, and becomes ltKlt when the angle is equal to or more than the above angle with respect to the peripheral wall 44, and is irradiated to the front of the lens through the front surface 43 of the lens.
- FIGS. 10 to 12 show a display lamp 61 according to a sixth embodiment of the present invention.
- the lens 61 for the light-emitting element is a fourth embodiment of the light-emitting element lens 31 according to the fourth embodiment.
- the arrangement is made in consideration of the arrangement of the light emitting elements 2.
- the indicator lamp 61 is shown in the form of an arrow, and the indicator lamp 61 is a light-emitting eave 63 such as an LED arranged on a base 62 on which a hot spring pattern is formed.
- the light-emitting element 63 is made of a transparent resin of acrino, which is 21 mm in height and about 12.5 mm in height, and is gradually expanded forward.
- the lens has a substantially inverted truncated conical shape, a ⁇ K lens 64, and an upper surface of the all-round lens 64, which surrounds the side of the lens while
- FIG. 11 is a # perspective view showing the structure in the vicinity of the light emitting element 63 described above.
- the transparent acrylic material surrounding the / J light emitting element 63 disposed on the base 62 is shown in FIG.
- a substantially ring-shaped tree 66 is set up, and the inside of the frame 66 is covered with a transparent resin material, such as molten silicon, which covers the self-luminous element 63 from above. It is raised in a convex shape by the surface recommendation, and this Is cured to form the convex lens portion 67. That is, book 6 6 is? It is designed to be a type in which the insect fat is poured, and is made transparent so that light from the light emitting element 63 does not leak.
- the convex lens portion 67 functions to keep the light from the light emitting element 63 constant and to protect a thin bonding wire (see FIG. ⁇ Tf) connecting the light emitting element 63 and the pattern on the base 62. Also have.
- the convex lens portion 67 force S having a desired curvature can be obtained.
- a silicon brush was applied around the light emitting element and the bonding wire with a brush, but then the thigh-shaped light emitting power S from the light emitting element to the lens body became non-uniform. ⁇ ⁇ Suitable light condensing power for light S, etc.
- the hole 68 in the lens also increases the hole diameter.
- enlarging the diameter of the entire hole would cause the entire optical path of the light on the peripheral wall of the lens to be greatly enlarged.
- the minimum necessary change was made.
- the upper part of 68 is left as it is, and the lower part 69 that enlarges the hole diameter only at the lower part is formed by projecting.
- this step 69 is simply made horizontal, the light from the light emitting element 63 will be refracted by this step 69, resulting in an unintended light path different from the fourth example.
- the optical power step portion 69 from the element 63 is tapered upward so as not to be Alt.
- the display lamp 61 having such a configuration, as shown in FIG. 12, light from the light-emitting element 63 firstly listens to the convex lens portion 67 covering the light-emitting element 63, so that a certain light is emitted. Being middle 6 8 advance. Then, the light traveling from the convex lens 7 to the 68th upper surface 68a is almost perpendicular to the M curved surface of the upper surface 68a (less than the ⁇ Klt angle according to the refractive index of the lens). Alt) makes the inside of the lens difficult, and is refracted in the direction in which light is condensed by the central convex lens portion 70 on the front surface of the lens, and is radiated forward of the lens.
- the light traveling from the convex lens 67 to the side peripheral surface 68 b of the above 68 is refracted by the Alt with respect to the side peripheral surface 68 b at an angle of not more than ⁇ ⁇ ⁇ according to the refractive index of the lens.
- Altf is applied to the wall 71 at an angle greater than or equal to the above-mentioned angle, and the light is emitted to the front of the lens through the plane solution 2 on the front surface of the lens.
- the present invention is not limited to this. Even in such a case, the light is not as light as that of the display lamp 61 of the above-described embodiment, but it has a simple shape and is close to the corresponding ⁇ f light, and can exhibit light condensing action. It is. Although not specifically shown, when the light is refracted on the upper surface 68a of the hollow portion 68 to be directed toward the central axis of the lens without going straight, the light condensing function more suitable for light is exhibited. What you get. Industrial applicability
- the light emitted from the light emitting element disposed on the light emitting element mounting portion formed with the lens body is inverted by the peripheral wall of the lens body for the inverted frustoconical light emitting element.
- the peripheral wall of the lens is provided with one or a plurality of corners formed by changing the angle of the lens body with the central axis from the upper part to the front of the lens.
- the light from the light emitting element is applied to the front surface f3 ⁇ 4L and radiated concentrically when viewed from the front of the lens.
- a concentric ring light brighter than this plane light and an illuminated it with the force S-linked it can be obtained, and this ring light provides excellent visibility even at long distances.
- a convex lens portion is formed in the middle of the front of the lens, so that the light that reflects the light inside the lens in the S # 3 ⁇ 4rf is transmitted through the convex lens portion on the peripheral wall of the lens body. * The light can be illuminated. Further, at the boundary between the front surface of the lens and the convex lens portion, more light from the light-emitting element is collected than the other portions, and a bright ring light is emitted to the front surface. It also improves visibility in S-hidden.
- a convex lens portion is formed in the middle of the front surface of the lens, and a convex ridge having a semi-circular cross section is formed on the outer periphery of the convex lens, so that it is not delicate on the peripheral wall of the lens body. Without the convex lens portion, the light 3 ⁇ 4i on the outer periphery of the convex lens portion converges on the above-mentioned convex streak, and it is possible to irradiate the light farther by further suppressing the sickle.
- the boundary between the front surface of the lens and the ridge is formed concentrically and double, and the light power from the light emitting element S is gathered more than the other parts and becomes a bright ring light, which is emitted to the front surface.
- the light from the light-emitting element gathers more light than the other parts and becomes a bright ring light, which is illuminated on the front surface.
- a substantially cylindrical hollow portion is provided in a peripheral portion of the light emitting element below the lens body where the light emitting element is positioned, and the light traveling from the light emitting element to the side peripheral surface of the hollow portion is formed as described above.
- the light from the light emitting element toward the upper surface inside the Al becomes less than the ⁇ Kit angle, and the fiber inside the lens fiber is entangled by the sickle lens.
- Light is divided into light passing through the upper surface and light passing through the side peripheral surface, and light passing through the side peripheral surface is the refractive index of the lens body.
- the peripheral wall of the lens body is closed to the lens by the woman.
- a convex lens protruding toward the front of the lens is formed.
- the outer periphery of the lens is flat, and the light from the light emitting element toward the upper surface of the middle is less than the R angle of the lens body.
- the light that travels inside the lens body is condensed by the convex lens portion and is directed toward the lens, and the light traveling from the light-emitting element to the inner peripheral surface is greater than the ⁇ RI angle of the lens body.
- the light passing through the upper surface of the hollow portion is condensed by the convex lens portion as the light that leaks forward from the plane, and the light passing through the side peripheral surface of the hollow portion is transmitted to the lens body. It is possible to illuminate the front wall of the lens body as a suitable w3 ⁇ 4 by ⁇ ⁇ « ⁇ on the peripheral wall.
- a ⁇ lens is arranged on the upper surface of the light emitting element.
- the light from the optical element is surely transmitted to the display lamp by the ⁇ lens, and is located on the upper surface of the light emitting element.
- a convex lens is formed by raising a transparent fine material from the upper part of the frame in a convex shape and forming ⁇ ⁇ ⁇ .
- the bonding wire to the element f is protected by the lightening material, and the light from the light emitting element is condensed by the convex lens portion which is raised in a convex shape and is appropriately illuminated toward the ⁇ I ⁇ lens.
- the light from the light emitting element can be illuminated efficiently and uniformly: ⁇ It can be illuminated in front of the lens.
- the frame is made of a transparent film, all light from the light-emitting element toward the frame is radiated toward the ⁇ I ⁇ ⁇ ⁇ lens without being blocked by the frame, and an efficient illumination of light is obtained.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04820323A EP1693614B1 (en) | 2003-12-10 | 2004-12-06 | Indicator lamp |
US10/595,094 US7473013B2 (en) | 2003-12-10 | 2004-12-06 | Indicator lamp having a converging lens |
DE602004024710T DE602004024710D1 (de) | 2003-12-10 | 2004-12-06 | Anzeigelampe |
US12/285,829 US20090052190A1 (en) | 2003-12-10 | 2008-10-15 | Indicator lamp having a converging lens |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003411913A JP2005174693A (ja) | 2003-12-10 | 2003-12-10 | 発光素子用レンズ |
JP2003-411913 | 2003-12-10 | ||
JP2004-36824 | 2004-02-13 | ||
JP2004036824A JP2005228623A (ja) | 2004-02-13 | 2004-02-13 | 発光素子用レンズ |
JP2004-82559 | 2004-03-22 | ||
JP2004082559A JP2005268166A (ja) | 2004-03-22 | 2004-03-22 | 表示ランプ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/285,829 Division US20090052190A1 (en) | 2003-12-10 | 2008-10-15 | Indicator lamp having a converging lens |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005057082A1 true WO2005057082A1 (ja) | 2005-06-23 |
Family
ID=34681966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/018518 WO2005057082A1 (ja) | 2003-12-10 | 2004-12-06 | 表示ランプ |
Country Status (4)
Country | Link |
---|---|
US (2) | US7473013B2 (ja) |
EP (1) | EP1693614B1 (ja) |
DE (1) | DE602004024710D1 (ja) |
WO (1) | WO2005057082A1 (ja) |
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US7851998B2 (en) * | 2006-08-08 | 2010-12-14 | Lg Electronics Inc. | Light emitting device with a protective cap and method of forming a light emitting device with a protective cap |
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US9297517B2 (en) | 2008-08-14 | 2016-03-29 | Cooper Technologies Company | LED devices for offset wide beam generation |
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CN111442213A (zh) * | 2020-04-10 | 2020-07-24 | 宁波贝克照明电器有限公司 | 一种照明、氛围一体灯 |
CN115076636A (zh) * | 2022-07-25 | 2022-09-20 | 杭州海康威视数字技术股份有限公司 | 准直探照灯及准直探照灯的发光装置 |
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US20070040182A1 (en) * | 2005-08-16 | 2007-02-22 | Julian Lee | Light emitting diode packaging structure |
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Also Published As
Publication number | Publication date |
---|---|
US7473013B2 (en) | 2009-01-06 |
US20090052190A1 (en) | 2009-02-26 |
EP1693614B1 (en) | 2009-12-16 |
EP1693614A4 (en) | 2007-03-07 |
DE602004024710D1 (de) | 2010-01-28 |
EP1693614A1 (en) | 2006-08-23 |
US20060291245A1 (en) | 2006-12-28 |
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