JPS6366002B2 - - Google Patents
Info
- Publication number
- JPS6366002B2 JPS6366002B2 JP59276803A JP27680384A JPS6366002B2 JP S6366002 B2 JPS6366002 B2 JP S6366002B2 JP 59276803 A JP59276803 A JP 59276803A JP 27680384 A JP27680384 A JP 27680384A JP S6366002 B2 JPS6366002 B2 JP S6366002B2
- Authority
- JP
- Japan
- Prior art keywords
- diode
- lens
- light
- light emitting
- defining member
- 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.)
- Expired
Links
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は車輌用灯具等に使用して好適な照明装
置に係り、特に多数の発光ダイオードを光源とし
て使用する照明装置において、照明効果を向上さ
せるようにしたものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a lighting device suitable for use in vehicle lamps, etc., and particularly to a lighting device that uses a large number of light emitting diodes as a light source to improve the lighting effect. It was designed so that
近年、半導体技術の発達により輝度の高い発光
ダイオードが開発され、しかも安価に入手できる
ようになつたことから車輌用灯具，特に制動灯，
尾灯などの光源として電球の代りに検討されるに
至つており、その一例として第６図に示すものが
知られている。すなわち、１は内側面に多数の小
さな凸レンズから成る拡散レンズ２を一体にかつ
密集させて形成した前面レンズ，３は前面レンズ
１の内部に配設され表面に多数の発光ダイオード
４を所定の間隔をおいて配設してなるプリント基
板，５ａ，５ｂは導体回路，６は金線からなるリ
ード線，７はプリント基板３の表面に配設され、
各発光ダイオードを画成するダイオード画成部材
で、このダイオード画成部材７は各発光ダイオー
ド４がそれぞれ挿入位置されることにより各発光
ダイオードと区画する例えばテーパ孔から成る多
数のダイオード収納部８を有してその壁面が反射
面９を形成し、これにより光の有効利用を計り照
明効果を向上させている。
In recent years, with the development of semiconductor technology, high-brightness light-emitting diodes have been developed and are now available at low prices, which has led to the use of vehicular lights, especially brake lights,
It has come to be considered as an alternative to light bulbs as a light source for taillights, etc., and one example is shown in FIG. 6. Namely, 1 is a front lens formed by integrally and densely forming a diffusion lens 2 consisting of a large number of small convex lenses on the inner surface, 3 is a front lens disposed inside the front lens 1, and has a large number of light emitting diodes 4 on the surface at predetermined intervals. 5a and 5b are conductor circuits, 6 is a lead wire made of gold wire, and 7 is arranged on the surface of the printed board 3,
This diode defining member 7 defines each light emitting diode, and this diode defining member 7 has a large number of diode housing portions 8 formed of, for example, tapered holes, which are partitioned from each light emitting diode by inserting each light emitting diode 4 into its respective insertion position. The wall surface forms a reflective surface 9, thereby making effective use of light and improving the lighting effect.
ところで、このような従来の照明装置において
は発光ダイオード４の光を反射面９で反射し、更
に拡散レンズ２で拡散しているものの、前面レン
ズ１を直視した際、その視認角度によつては光の
屈折によりダイオード画成部材７の表面７ａが前
面レンズ１を通して視認され、したがつて点灯時
には前面レンズ１の全面より光が照射されず均一
照明という点で問題があつた。
By the way, in such a conventional lighting device, although the light from the light emitting diode 4 is reflected by the reflective surface 9 and further diffused by the diffusing lens 2, when looking directly at the front lens 1, depending on the viewing angle, Due to the refraction of light, the surface 7a of the diode defining member 7 is visible through the front lens 1, and therefore, when the light is turned on, the entire surface of the front lens 1 is not irradiated with light, resulting in a problem in uniform illumination.
本発明に係る照明装置は上述したような点に鑑
みてなされたもので、ダイオード画成部材に形成
された各ダイオード収納部とほぼ同じ大きさの集
光レンズを該画成部材に各ダイオード収納部に対
応して配設すると共に前面レンズの内側面に前記
集光レンズに対応する略方形の拡散レンズを密集
させて形成したものである。
The lighting device according to the present invention has been made in view of the above-mentioned points, and includes a condenser lens of approximately the same size as each diode housing formed in the diode defining member. substantially rectangular diffusing lenses corresponding to the condensing lenses are formed closely on the inner surface of the front lens.
本発明においてはダイオード画成部材のダイオ
ード収納部とほぼ同じ大きさの集光レンズを該画
成部材に配設すると共にこの集光レンズの大きさ
に応じて前面レンズに形成される拡散レンズの大
きさを決定しているので、正面からの直視にかか
わらずダイオード画成部材の表面が視認されるこ
とがない。
In the present invention, a condensing lens of approximately the same size as the diode housing portion of the diode defining member is disposed in the diode defining member, and a diffusing lens formed on the front lens is arranged in accordance with the size of the condensing lens. Since the size is determined, the surface of the diode defining member is not visible even when viewed directly from the front.
以下、本発明を図面に示す実施例に基づいて詳
細に説明する。
Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.
第１図は本発明に係る照明装置を自動車の尾灯
および制動灯に適用した場合の一実施例を示す要
部断面図，第２図はダイオード画成部材の斜視
図，第３図は前面レンズの斜視図である。これら
の図において、１０は自動車の後部側端に取付け
られる尾灯で、この尾灯１０は灯体１１を形成す
るバツクカバー１２および前面レンズ１３とを備
え、その内部には多数の発光ダイオード４を実装
してなる基板１４と，ダイオード画成部材２０
と、レンズ体３０とが配設されている。 Fig. 1 is a sectional view of a main part showing an embodiment of the lighting device according to the present invention applied to a tail light and a brake light of an automobile, Fig. 2 is a perspective view of a diode defining member, and Fig. 3 is a front lens lens. FIG. In these figures, reference numeral 10 denotes a taillight that is attached to the rear end of an automobile, and this taillight 10 includes a back cover 12 forming a light body 11 and a front lens 13, and has a large number of light emitting diodes 4 mounted inside it. a substrate 14 and a diode defining member 20
and a lens body 30 are provided.
前記基板１４はアルミニウムによつて形成さ
れ、その表面全体に絶縁膜１５が形成され、さら
にその上に多数の発光ダイオード４が所定の間隔
をおいてｍ×ｎのマトリツクス状に配列されてい
る。前記発光ダイオード４は各列（もしくは行）
毎に直列接続され、かつ電源に対して並列接続さ
れている。前記基板１４の背面には多数のフイン
１６が一体に突設されており、これによりダイオ
ード点灯用抵抗体（図示せず）の発熱を良好に放
熱し、発熱による悪影響を最少限に抑えている。
特に、数百個にも及ぶ発光ダイオードを組込んだ
大型灯具においてはそれなりの放熱対策を施す必
要があることから、このような構成は有効とされ
る。また、放熱効果を高めるため、前記パツクカ
バー１２の適宜箇所には通気孔１７が形成されて
いる。 The substrate 14 is made of aluminum, has an insulating film 15 formed over its entire surface, and has a large number of light emitting diodes 4 arranged thereon in an m×n matrix at predetermined intervals. The light emitting diodes 4 are arranged in each column (or row)
They are connected in series and in parallel to the power supply. A large number of fins 16 are integrally protruded from the back surface of the substrate 14, which effectively dissipates the heat generated by the diode lighting resistor (not shown) and minimizes the negative effects of the heat. .
In particular, such a configuration is considered effective since it is necessary to take appropriate measures for heat dissipation in large-sized lamps incorporating hundreds of light emitting diodes. Further, in order to enhance the heat dissipation effect, vent holes 17 are formed at appropriate locations in the pack cover 12.
前記ダイオード画成部材２０は合成樹脂によつ
て板状に形成されて各発光ダイオード４にそれぞ
れ対応する多数のダイオード収納部２１を有し、
前記基板１４の表面に前記絶縁膜１５を介して固
着されている。前記各ダイオード収納部２１はア
クリル樹脂等の透明樹脂が充填されていると共に
その壁面が回転放物反射面２２を形成し、前記ダ
イオード画成部材２０の表裏面に貫通する略半楕
円形の貫通孔から成り、その表面側開口端径が裏
面側開口端径より大きく設定されている。また各
ダイオード収納部２１の表面側開口端は第２図に
示すように隣接するもの同士互いに接している。
前記各発光ダイオード４は前記回転放物反射面２
２の焦点位置に位置するよう各ダイオード収納部
２１内に配設され、これによつて隣接するもの同
士互いに画成されている。 The diode defining member 20 is formed into a plate shape of synthetic resin and has a large number of diode housing portions 21 corresponding to each light emitting diode 4, respectively.
It is fixed to the surface of the substrate 14 with the insulating film 15 interposed therebetween. Each of the diode housing sections 21 is filled with a transparent resin such as acrylic resin, and its wall surface forms a paraboloid of revolution reflection surface 22, and a substantially semi-elliptical penetrating surface passes through the front and back surfaces of the diode defining member 20. It consists of a hole, and the opening end diameter on the front side is set larger than the opening end diameter on the back side. Further, the opening ends on the front surface side of each diode housing section 21 are in contact with each other as shown in FIG.
Each of the light emitting diodes 4 is connected to the paraboloid of revolution reflection surface 2.
The diode accommodating portions 21 are disposed in each diode storage portion 21 so as to be located at two focal positions, thereby defining adjacent ones from each other.
なお、前記ダイオード収納部２１の壁面２２
は、ダイオード画成部材２０自体を光の反射特性
に優れた色，例えば白色の合成樹脂で製作するこ
とにより、特別な処理を施すことなく反射面を形
成している。 Note that the wall surface 22 of the diode storage section 21
In this method, the diode defining member 20 itself is made of a color having excellent light reflection characteristics, for example, a white synthetic resin, thereby forming a reflective surface without any special treatment.
前記レンズ体３０はアクリル樹脂等の透明な合
成樹脂によつて形成され、前記ダイオード画成部
材２０の表面に配設されるもので、該レンズ体３
０の表面には前記各ダイオード収納部２１に対応
して多数の集光レンズ３１が密集して一体に突設
されている。集光レンズ３１は、前記ダイオード
収納部２１の表面側開口径とほぼ同一の直径を有
する略半球状の球面レンズで構成されている。 The lens body 30 is made of transparent synthetic resin such as acrylic resin, and is disposed on the surface of the diode defining member 20.
A large number of condensing lenses 31 are integrally protruded from the surface of the 0 in a dense manner corresponding to each of the diode accommodating portions 21. The condensing lens 31 is constituted by a substantially hemispherical spherical lens having a diameter substantially the same as the opening diameter on the front surface side of the diode housing portion 21 .
前記前面レンズ１３の内側面には前記レンズ体
３０の各集光レンズ３１にそれぞれ対応する多数
の拡散レンズ４０が密集して一体に形成されてい
る。拡散レンズ４０は前記集光レンズ３１が内接
する，換言すれば底部の各辺が集光レンズ３１の
直径とほぼ等しい略正方形の魚眼レンズで構成さ
れている。 A large number of diffusion lenses 40 corresponding to each condenser lens 31 of the lens body 30 are densely formed integrally on the inner surface of the front lens 13 . The diffusing lens 40 is constituted by a substantially square fisheye lens in which the condensing lens 31 is inscribed, in other words, each side of the bottom is approximately equal to the diameter of the condensing lens 31.
このような構成から成る尾灯において、各発光
ダイオード４から出た光のうち前方に向う直射光
A1は、レンズ体３０および前面レンズ１３を透
過する際，当該ダイオードに対応する集光レンズ
３１によつて拡散レンズ４０側に対して集光さ
れ、また回転放物反射面２２によつて反射した反
射光A2は該反射面２２の光軸と平行な平行光線
となつて所謂面光源としての態様をなし前記レン
ズ体３０および前面レンズ１３を透過する際、直
射光A1と同様当該ダイオードに対応する集光レ
ンズ３１によつて拡散レンズ４０に対して集光さ
れる。 In a taillight having such a configuration, out of the light emitted from each light emitting diode 4, direct light directed forward is
When A 1 passes through the lens body 30 and the front lens 13 , it is focused toward the diffusing lens 40 by the condensing lens 31 corresponding to the diode, and is reflected by the paraboloid of revolution reflection surface 22 . The reflected light A 2 becomes parallel light rays parallel to the optical axis of the reflecting surface 22 and acts as a so-called surface light source, and when transmitted through the lens body 30 and the front lens 13, the reflected light A 2 passes through the diode as well as the direct light A 1 . The light is condensed onto the diffusing lens 40 by the condensing lens 31 corresponding to the condensing lens 31 .
ここで、本発明においては、回転放物反射面２
２によつて発光ダイオード４からの光を反射させ
平行光線にすることにより、点光源を面光源と
し、かつ集光レンズ３１および拡散レンズ４０に
よつて光の集光，拡散を２度行つているので、前
面レンズ１３の全面より光が照射されほぼ均一な
明るさで照明することができる。しかも、拡散レ
ンズ４０は十分な大きさを有して対応する集光レ
ンズ３１を覆つているので、正面から前面レンズ
１３を直視しても、光の屈折によりダイオード画
成部材２０の表面は殆んど視認されることがな
い。 Here, in the present invention, the parabolic reflection surface 2
The light from the light emitting diode 4 is reflected by the light emitting diode 4 into a parallel beam by the light emitting diode 2, thereby turning the point light source into a surface light source, and condensing and diffusing the light twice by the condensing lens 31 and the diffusing lens 40. Therefore, light is emitted from the entire surface of the front lens 13, and the illumination can be performed with substantially uniform brightness. Moreover, since the diffusing lens 40 has a sufficient size and covers the corresponding condensing lens 31, even when the front lens 13 is viewed directly from the front, the surface of the diode defining member 20 is almost completely covered by the refraction of the light. It is never seen.
第４図は本発明の他の実施例を示す要部断面図
である。この実施例は絶縁膜１５上に配線された
導電箔５ａ上に、略皿状に形成されたアルミニウ
ム等からなる端子座からなる端子座５０を介して
発光ダイオード４を配設し、この端子座５０の傾
斜した周壁内側面を反射面５１として利用し、前
記発光ダイオード４から出て後方に向い回転放物
反射面２２によつては反射されず無効となる光
A3を前方に反射させることにより光の有効利用
を計り、照明効果をより一層向上させるようにし
たものである。なお、他の構成は第１図〜第３図
に示した上記実施例と同様である。また、５ｂは
導電箔，６はリード線を示す。 FIG. 4 is a sectional view of a main part showing another embodiment of the present invention. In this embodiment, a light emitting diode 4 is disposed on a conductive foil 5a wired on an insulating film 15 via a terminal seat 50 made of aluminum or the like and formed in a substantially dish shape. The inner surface of the inclined peripheral wall 50 is used as a reflecting surface 51 to reflect light emitted from the light emitting diode 4, directed backward, and not reflected by the rotating paraboloid reflecting surface 22 and rendered ineffective.
By reflecting A 3 forward, light is used more effectively and the lighting effect is further improved. Note that the other configurations are the same as those of the above embodiment shown in FIGS. 1 to 3. Further, 5b indicates a conductive foil, and 6 indicates a lead wire.
第５図は本発明の更に他の実施例を示す要部断
面図である。 FIG. 5 is a sectional view of a main part showing still another embodiment of the present invention.
この実施例はダイオード画成部材２０の各ダイ
オード収納部２１内に透明樹脂６０を充填して発
光ダイオード４をモールドすると共にこの透明樹
脂６０の表面部を前記ダイオード収納部２１の表
面側開口端よりドーム状（球状）に成形して集光
レンズ３１としたものである。このような構成に
おいても第１図〜第３図に示した実施例と同様の
効果が得られることは明らかであろう。 In this embodiment, a transparent resin 60 is filled into each diode housing part 21 of a diode defining member 20 to mold the light emitting diode 4, and the surface portion of the transparent resin 60 is inserted from the opening end on the front side of the diode housing part 21. The condenser lens 31 is formed into a dome shape (spherical shape). It is clear that even in such a configuration, the same effects as the embodiments shown in FIGS. 1 to 3 can be obtained.
なお、上記実施例はいずれも基板１４をアルミ
ニウムによつて製作した場合について説明した
が、本発明はこれに何ら特定されるものではな
く、一般のリジツトなプリント回路基板を使用し
てもよいことは勿論である。 Although the above embodiments have all been described with respect to the case where the board 14 is made of aluminum, the present invention is not limited to this in any way, and a general rigid printed circuit board may be used. Of course.
また、上記実施例はダイオード収納部２１の内
壁面を回転放物反射面２２としたが、かならずし
もこれに限らずテーパ状の反射面であつてもよ
く、また前面レンズ１３の拡散レンズ４０は凹レ
ンズであつてもよい。 Further, in the above embodiment, the inner wall surface of the diode storage portion 21 is a paraboloid of revolution reflection surface 22, but it is not limited to this and may be a tapered reflection surface, and the diffusion lens 40 of the front lens 13 is a concave lens. It may be.
以上説明したように本発明に係る照明装置は、
ダイオード画成部材の各ダイオード収納部に対応
して該収納部とほぼ同じ大きさの集光レンズをそ
れぞれ配設し、この各集光レンズにそれぞれ対応
して前面レンズの内側面に略方形の拡散レンズを
密集して形成したので、前面レンズの表面全体を
ほぼ均一な明るさで照明でき、照明効果を向上さ
せる上、前方か前面レンズを直視した際、前面レ
ンズを通してダイオード画成部材の表面が視認さ
れず、照明装置としての品質を向上させることが
できる。
As explained above, the lighting device according to the present invention includes:
A condenser lens of approximately the same size as the diode housing part of the diode defining member is provided in correspondence with the diode housing part, and a substantially square shaped condenser lens is provided on the inner surface of the front lens corresponding to each of the condenser lenses. Because the diffuser lenses are densely formed, the entire surface of the front lens can be illuminated with almost uniform brightness, improving the lighting effect. is not visually recognized, and the quality of the lighting device can be improved.
第１図は本発明を自動車の尾灯に適用した場合
の一実施例を示す要部断面図、第２図は前面レン
ズの下方より見た斜視図、第３図はダイオード画
成部材の斜視図、第４図は本発明の他の実施例を
示す要部断面図、第５図は本発明の更に他の実施
例を示す要部断面図、第６図は従来の照明装置の
一例を示す要部断面図である。
４……発光ダイオード、１２……バツクカバ
ー、１３……前面レンズ、１４……基板、２０…
…ダイオード画成部材、２１……ダイオード収納
部、２２……回転放物反射面、３０……レンズ
体、３１……集光レンズ、４０……拡散レンズ。
Fig. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention applied to a taillight of a car, Fig. 2 is a perspective view seen from below the front lens, and Fig. 3 is a perspective view of a diode forming member. , FIG. 4 is a sectional view of a main part showing another embodiment of the present invention, FIG. 5 is a sectional view of a main part showing still another embodiment of the invention, and FIG. 6 shows an example of a conventional lighting device. It is a sectional view of the main part. 4...Light emitting diode, 12...Back cover, 13...Front lens, 14...Substrate, 20...
. . . Diode defining member, 21 . . . Diode housing portion, 22 .
Claims (1)
をおいてｍ×ｎのマトリツクス状に配設すると共
に前記各発光ダイオードを囲繞し壁面が発光ダイ
オードからの光を前方に反射させる反射面をなす
多数のダイオード収納部を有するダイオード画成
部材を配設し、このダイオード画成部材に前記各
ダイオード収納部とほぼ同じ大きさでかつ該収納
部に対応する多数の集光レンズを配設し、前記ダ
イオード画成部材の前方に配設される前面レンズ
の内側面にそれぞれ略正方形から成り前記各集光
レンズにそれぞれ対応する多数の拡散レンズを密
集させて形成したことを特徴とする照明装置。1 A large number of light emitting diodes are arranged on a substrate in an m×n matrix at predetermined intervals, and a large number of walls surround each of the light emitting diodes and form a reflective surface that reflects light from the light emitting diodes forward. A diode defining member having diode housings is disposed, a large number of condensing lenses having approximately the same size as each of the diode housings and corresponding to the housings are disposed on the diode defining member, 1. An illumination device characterized in that a large number of diffuser lenses, each of which has a substantially square shape and corresponds to each of the condenser lenses, are densely formed on the inner surface of a front lens disposed in front of a diode defining member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59276803A JPS61158605A (en) | 1984-12-28 | 1984-12-28 | Lighting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59276803A JPS61158605A (en) | 1984-12-28 | 1984-12-28 | Lighting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61158605A JPS61158605A (en) | 1986-07-18 |
| JPS6366002B2 true JPS6366002B2 (en) | 1988-12-19 |
Family
ID=17574597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59276803A Granted JPS61158605A (en) | 1984-12-28 | 1984-12-28 | Lighting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158605A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4560936B2 (en) * | 2000-10-11 | 2010-10-13 | 豊田合成株式会社 | Light source device and manufacturing method thereof |
| JP4263121B2 (en) * | 2003-03-27 | 2009-05-13 | 三洋電機株式会社 | LIGHT EMITTING ELEMENT AND LIGHTING DEVICE |
| US7078735B2 (en) | 2003-03-27 | 2006-07-18 | Sanyo Electric Co., Ltd. | Light-emitting device and illuminator |
| US20110116262A1 (en) * | 2009-11-13 | 2011-05-19 | Phoseon Technology, Inc. | Economical partially collimating reflective micro optical array |
-
1984
- 1984-12-28 JP JP59276803A patent/JPS61158605A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61158605A (en) | 1986-07-18 |
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