JPH0258089A - Light emission body with diffusion part and its manufacture - Google Patents
Light emission body with diffusion part and its manufactureInfo
- Publication number
- JPH0258089A JPH0258089A JP63208232A JP20823288A JPH0258089A JP H0258089 A JPH0258089 A JP H0258089A JP 63208232 A JP63208232 A JP 63208232A JP 20823288 A JP20823288 A JP 20823288A JP H0258089 A JPH0258089 A JP H0258089A
- Authority
- JP
- Japan
- Prior art keywords
- light
- outer shell
- light emission
- air vent
- reflective surface
- 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.)
- Pending
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 abstract 5
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Mounting Components In General For Electric Apparatus (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Led Device Packages (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、拡散部付き発光体およびその製造方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a light emitter with a diffusion section and a method for manufacturing the same.
（従来の技術）
本発明は、近年、ステレオやカラオケ等の音響機器をは
じめ種々の電子機器に１発光ダイオード単品の発光面積
よりも広い発光面を有する安価な発光体が要求される場
合が多くなり、一般に１発光ダイオードを取り付ける反
射面を設けた外郭体の前面に拡散テープを貼り付けたり
、拡散剤からなる拡散部を設けたりしている。(Prior Art) In recent years, inexpensive light-emitting bodies having a light-emitting surface larger than that of a single light-emitting diode are often required for various electronic devices including audio equipment such as stereos and karaoke. Generally, a diffusion tape is attached to the front surface of an outer body provided with a reflective surface to which one light emitting diode is attached, or a diffusion section made of a diffusion agent is provided.
従来の拡散部付き発光体およびその製造方法について、
第４図ないし第７図により説明する。Regarding the conventional light emitting body with a diffuser and its manufacturing method,
This will be explained with reference to FIGS. 4 to 7.
第４図および第５図は、従来の拡散部付き発光体の側面
断面図および斜視断面図で、拡散部付き発光体は、２個
の発光ダイオード１と、発光ダイオード１を囲む四角錐
の反射面２ａが形成された外郭体２と、上記の四角錐を
埋めた拡散剤からなる拡散部３とから構成されている。4 and 5 are a side sectional view and a perspective sectional view of a conventional light emitting body with a diffuser. It is composed of an outer shell 2 on which a surface 2a is formed, and a diffusion section 3 made of a diffusing agent and filling the above-mentioned square pyramid.
このように構成された拡散部付き発光体の動作を説明す
る。発光ダイオード１の光は、直接あるいは反射面２ａ
で反射されて拡散部の天面を照射すると、天面が一面に
均等に明るくなる。The operation of the light emitting body with a diffuser configured as described above will be explained. The light from the light emitting diode 1 is transmitted directly or through the reflective surface 2a.
When the light is reflected and illuminates the top surface of the diffuser, the entire top surface becomes evenly bright.
次に１以上のように構成された拡散部付き発光体の製造
方法について説明する。Next, a method of manufacturing a light emitter with a diffusion section configured as described above will be described.
まず１発光ダイオード１を外郭体２の底から挿入し固定
する０次に、外郭体２の開口部を上にして、拡散剤を含
有するエポキシ樹脂等の拡散剤３ａを矢印４のように拡
散部３に注入する。First, insert the light emitting diode 1 from the bottom of the outer body 2 and fix it.Next, with the opening of the outer body 2 facing upward, diffuse the diffusing agent 3a, such as epoxy resin containing a diffusing agent, as shown by the arrow 4. Inject into part 3.
（発明が解決しようとする課題）
しかしながら、上記した構成および製造方法では、第６
図の斜視断面図に示すように、拡散剤３ａの中に気泡５
が残ったり、硬化までに浮上して表層に表われ、クレー
タ状の気泡跡６が発生するという問題があった。発光面
の気泡跡６は、発光ダイオード１を発光させた時に円環
状に極部的に明るくなり、−様な発光面が得られないと
いう問題があった。(Problem to be solved by the invention) However, in the above-described configuration and manufacturing method, the sixth
As shown in the perspective cross-sectional view of the figure, air bubbles 5 are present in the diffusing agent 3a.
There was a problem that bubbles remained or floated to the surface before hardening, resulting in crater-shaped bubble marks 6. The bubble trace 6 on the light-emitting surface becomes annularly bright in some parts when the light-emitting diode 1 emits light, and there is a problem in that a negative-like light-emitting surface cannot be obtained.
本発明は、上記の問題を解決するもので、気泡跡が発生
しない拡散部付き発光体およびその製造方法を提供する
ものである。The present invention solves the above-mentioned problems and provides a light emitting body with a diffusion portion that does not generate bubble marks and a method for manufacturing the same.
（課題を解決するための手段）
上記のｓＷｌを解決するため、本発明は、外郭体の反射
面に拡散剤の注入口および空気抜き孔を設け、拡散剤の
気泡が上記の空気抜き孔に集まるように、反射面の角度
を互いに平行とならないように設定するものである。(Means for Solving the Problems) In order to solve the above-mentioned sWl, the present invention provides a diffusing agent injection port and an air vent hole on the reflective surface of the outer shell so that bubbles of the diffusing agent gather in the air vent hole. Secondly, the angles of the reflective surfaces are set so that they are not parallel to each other.
また、前記拡散部付き発光体の製造は、注入した拡散剤
が漏れないように外郭体の開口面にテープ等を貼り付け
、注入口および空気抜き孔を設けた反射面は、空気抜き
孔のある奥が高く、また、隣の発光ダイオードの内側の
反射面は開口側が高くなるように、外郭体を斜めに置き
、拡散剤を注入するものである。In addition, in manufacturing the light emitter with a diffusion section, tape or the like is pasted on the opening surface of the outer shell to prevent the injected diffusion agent from leaking, and the reflective surface with the injection port and air vent hole is The outer shell is placed obliquely and a diffusing agent is injected so that the inner reflective surface of the adjacent light emitting diode is higher on the opening side.
（作 用）
上記の構成により、拡散剤中の気泡は、浮」−シて空気
抜き孔に集まって抜けるので１発光面に気泡跡が発生し
ない。(Function) With the above configuration, the air bubbles in the diffusing agent float, collect in the air vent hole, and escape, so that no air bubble traces are generated on the light emitting surface.
（実施例）
本発明の一実施例を第１図ないし第３図によす説明する
。(Embodiment) An embodiment of the present invention will be described with reference to FIGS. 1 to 3.
第１図および第２図は、本発明による拡散部付き発光体
の側面断面図および平面図である。1 and 2 are a side sectional view and a plan view of a light emitter with a diffuser according to the present invention.
両図に示した本発明による実施例が、第４図に示した従
来例と異なる点は、外側の反射面２ａの隅に、奥から順
に空気抜き孔７および注入口８が設けられていることと
、この反射面２ａと隣の四角錐の内側の反射面２ｂとの
交線９が、外郭体２の開口側にあることである。The embodiment according to the present invention shown in both figures differs from the conventional example shown in Fig. 4 in that an air vent hole 7 and an inlet 8 are provided in the corners of the outer reflective surface 2a in order from the back. The intersection line 9 between this reflective surface 2a and the reflective surface 2b inside the adjacent quadrangular pyramid is on the opening side of the outer shell 2.
その他は従来例と変わらないので、同じ構成部品には同
一符号を付して、その説明を省略する。Since the rest is the same as the conventional example, the same components are given the same reference numerals and their explanations will be omitted.
また、このように構成された拡散部付き発光体の動作も
、第４図の従来例と変わらないので、その説明も省略す
る。Further, since the operation of the light emitting body with a diffuser configured in this manner is the same as that of the conventional example shown in FIG. 4, the explanation thereof will be omitted.
以上のように構成された拡散部付き発光体の製造方法を
説明する。A method of manufacturing the light emitting body with a diffusion section configured as above will be explained.
まず、第３図に示すように、発光面となる外郭体２の開
口面にテープを貼り付ける。次に、注入口８および空気
抜き孔７を設けた反射面２ａを上にし、注入口８より空
気抜き孔７が高くなるように、且つ内側の反射面２ｂの
開口側が高くなるように、傾斜した状態で外郭体２を保
持し、注入口８から拡散剤３ａを矢印４のように注入す
る。拡散剤３ａが第３図に示すように充填され空気抜き
孔７まで達した状態で注入を止め、注入された拡散剤３
ａが固化するまでそのままの状態のまま保持する。硬化
後、テープ１０を除去する。First, as shown in FIG. 3, a tape is attached to the opening surface of the outer shell 2, which becomes the light emitting surface. Next, the reflective surface 2a provided with the inlet 8 and the air vent hole 7 is placed upward, and is tilted so that the air vent hole 7 is higher than the inlet 8 and the opening side of the inner reflective surface 2b is higher. While holding the outer shell 2, the diffusing agent 3a is injected from the injection port 8 as shown by the arrow 4. As shown in FIG. 3, the injection is stopped when the diffusing agent 3a is filled and reaches the air vent hole 7, and the injected diffusing agent 3 is
Hold it in that state until it solidifies. After curing, tape 10 is removed.
（発明の効果）
以１−説明したように、本発明によれば、製造の際に、
拡散剤中の気泡および気泡跡が発光面に残留することが
なくなり、美しい発光面が得られ、且つ気泡跡による不
良もなくなる。また、外郭体の開口面に貼り付けるテー
プ表面にローレット等の加工を施すことにより、発光、
拡散の効果を変化させることが可能となる。(Effects of the Invention) As explained in 1-1, according to the present invention, during manufacturing,
Bubbles in the diffusing agent and bubble traces do not remain on the light emitting surface, a beautiful light emitting surface is obtained, and defects caused by bubble traces are also eliminated. In addition, by applying knurling or other processing to the surface of the tape that is attached to the opening surface of the outer shell, it is possible to emit light.
It becomes possible to change the diffusion effect.
第１図および第２図は本発明による拡散部付き発光体の
側面断面図および平面図、第３図はその製造方法を示す
側面断面図、第４図、第５図および第６図は従来の拡散
部付き発光体の側面断面図および斜視断面図、第７図は
従来の拡散部付き発光体の製造方法を示す側面断面図で
ある。
１・・・発光ダイオード、 ２・・・外郭体、２ａ、２
ｂ・・反射面、 ３・・・拡散部、 ３ａ・・拡散剤
、 ５・・・気泡、 ６・・・気泡跡、７・・・空気抜
き孔、 ８・・・・注入口、 ９・・・交線、 ＩＯ・
・・テープ。
特許出願人 松下電器産業株式会社
第
図
ｂ
第
図
第
図
第
図
第
図1 and 2 are a side sectional view and a plan view of a light emitter with a diffuser according to the present invention, FIG. 3 is a side sectional view showing a manufacturing method thereof, and FIGS. 4, 5, and 6 are conventional FIG. 7 is a side sectional view and a perspective sectional view of a light emitter with a diffusion section, and FIG. 7 is a side sectional view showing a conventional method of manufacturing a light emitter with a diffusion section. DESCRIPTION OF SYMBOLS 1... Light emitting diode, 2... Outer body, 2a, 2
b...Reflecting surface, 3...Diffusion part, 3a...Diffusing agent, 5...Bubble, 6...Bubble trace, 7...Air vent hole, 8...Inlet, 9...・Intersection line, IO・
··tape. Patent applicant: Matsushita Electric Industrial Co., Ltd.
Claims (2)
した反射面を有する外郭体と、発光素子の前面に形成し
た拡散部とからなる拡散部付き発光体において、上記の
最外側の反射面と内側の同方向の反射面の交線が発光体
の前面に在るように構成し、且つ上記の最外側の反射面
に、拡散部を形成する拡散剤の注入口および空気抜き孔
を設けたことを特徴とする拡散部付き発光体。(1) In a light-emitting body with a diffusion part, which is composed of a plurality of light-emitting elements, an outer shell having an inclined reflective surface surrounding the light-emitting elements, and a diffusion part formed on the front surface of the light-emitting elements, the outermost The structure is such that the intersection line between the reflective surface and the inner reflective surface in the same direction is on the front surface of the light emitter, and the outermost reflective surface is provided with a diffusing agent injection port and an air vent hole that form a diffusing section. A light-emitting body with a diffusion section.
入口および空気抜き孔が形成された最外側の反射面が上
に来て内向きに、内側の同方向の反射面が外向きにそれ
ぞれ傾斜するように置き、注入口より拡散剤を注入し硬
化した後、上記のテープを剥離する拡散部付き発光体の
製造方法。(2) Place the outer shell with tape pasted on the opening surface of the outer shell, with the outermost reflective surface where the injection port and air vent hole are formed facing upward and facing inward, and the inner reflective surface in the same direction facing outward. A method for manufacturing a light emitting body with a diffusion section, in which the tape is placed at an angle, a diffusion agent is injected through an injection port, and after curing, the above-mentioned tape is peeled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208232A JPH0258089A (en) | 1988-08-24 | 1988-08-24 | Light emission body with diffusion part and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208232A JPH0258089A (en) | 1988-08-24 | 1988-08-24 | Light emission body with diffusion part and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258089A true JPH0258089A (en) | 1990-02-27 |
Family
ID=16552843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63208232A Pending JPH0258089A (en) | 1988-08-24 | 1988-08-24 | Light emission body with diffusion part and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002017401A1 (en) * | 2000-08-24 | 2002-02-28 | Osram Opto Semiconductors Gmbh | Component comprising a large number of light-emitting-diode chips |
| JP2006210627A (en) * | 2005-01-27 | 2006-08-10 | Kyocera Corp | Light emitting element housing package, light emitting unit, and lighting device |
| JP2009088520A (en) * | 2007-09-27 | 2009-04-23 | Samsung Electro Mech Co Ltd | Method of manufacturing light-emitting diode package |
-
1988
- 1988-08-24 JP JP63208232A patent/JPH0258089A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002017401A1 (en) * | 2000-08-24 | 2002-02-28 | Osram Opto Semiconductors Gmbh | Component comprising a large number of light-emitting-diode chips |
| US7435997B2 (en) | 2000-08-24 | 2008-10-14 | Osram Gmbh | Component comprising a large number of light-emitting-diode chips |
| JP2006210627A (en) * | 2005-01-27 | 2006-08-10 | Kyocera Corp | Light emitting element housing package, light emitting unit, and lighting device |
| JP2009088520A (en) * | 2007-09-27 | 2009-04-23 | Samsung Electro Mech Co Ltd | Method of manufacturing light-emitting diode package |
| US8202746B2 (en) | 2007-09-27 | 2012-06-19 | Samsung Led Co., Ltd. | Method of manufacturing LED package for formation of molding member |
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