JPH02250201A - Illumination device with metal halide lamp - Google Patents
Illumination device with metal halide lampInfo
- Publication number
- JPH02250201A JPH02250201A JP1070903A JP7090389A JPH02250201A JP H02250201 A JPH02250201 A JP H02250201A JP 1070903 A JP1070903 A JP 1070903A JP 7090389 A JP7090389 A JP 7090389A JP H02250201 A JPH02250201 A JP H02250201A
- Authority
- JP
- Japan
- Prior art keywords
- metal halide
- interference film
- front glass
- lamp
- halide lamp
- 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.)
- Granted
Links
- 229910001507 metal halide Inorganic materials 0.000 title claims abstract description 20
- 150000005309 metal halides Chemical class 0.000 title claims abstract description 19
- 238000005286 illumination Methods 0.000 title abstract description 5
- 239000011521 glass Substances 0.000 claims abstract description 22
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 9
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910020442 SiO2—TiO2 Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000009877 rendering Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はメタルハライドランプを備えた照明装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a lighting device equipped with a metal halide lamp.
従来の技術
メタルハライドランプは、平均演色評価数Ｒａが８０以
上と演色性にすぐれ、また効率も８０１ｍ ／ Ｗと高
いところから、屋内照明を中心に普及が著しい。Conventional metal halide lamps have excellent color rendering properties, with an average color rendering index Ra of 80 or more, and high efficiency, as high as 801 m/W, so they are becoming increasingly popular, especially for indoor lighting.
しかし、発光管内にタリウム、ナトリウム、ツリウム、
ディスプロシウム、ホロミウムを封入したランプでは、
その色温度は３５００〜４８００にであり、使用される
照明分野では色温度が高すぎることがあり、この場合は
、錫を主体としたハロゲン化物を封入した色温度３００
０にのランプを使用していた。また、色温度４３００に
のランプが使用されていた照明施設で雰囲気を落ちつい
たものにする場合には、色温度３０００にのランプに交
換せざるを得ないといった問題があった。However, thallium, sodium, thulium,
In lamps filled with dysprosium and holmium,
Its color temperature is between 3500 and 4800, and the color temperature may be too high in the lighting field in which it is used.In this case, the color temperature 300
I was using a 0 lamp. Furthermore, in order to create a calm atmosphere in a lighting facility where lamps with a color temperature of 4,300 were used, there was a problem in that the lamps had to be replaced with lamps with a color temperature of 3,000.
発明が解決しようとする課題
本発明は、かかる３０００に程度の色温度の低い照明装
置を得る場合、ランプを交換することなく、照明器具側
で解決しようとするものである。Problems to be Solved by the Invention The present invention attempts to solve the problem on the lighting equipment side without replacing the lamp when obtaining a lighting device with a color temperature as low as 3000 degrees.
課題を解決するための手段
本発明の照明装置は、発光管内に金属ハロゲン化物を封
入した色温度３５００〜４８００にのメタルハライドラ
ンプが使用されている照明器具の前面に取り付けられた
ガラスの表面に、多層干渉膜を形成したものである。さ
らに本発明の照明装置は、前記ガラスの表面にタリウム
皮膜と多層干渉膜との二重層を形成したものである。Means for Solving the Problems The lighting device of the present invention includes a metal halide lamp with a color temperature of 3,500 to 4,800, in which a metal halide is sealed in the arc tube. A multilayer interference film is formed. Further, in the lighting device of the present invention, a double layer of a thallium film and a multilayer interference film is formed on the surface of the glass.
作用
本発明によると、ガラス表面に形成された多層干渉膜に
より短波長の青色成分が抑制されて照明装置から放射さ
れる光は色温度３０００に程度となり、さらに光色がほ
ぼ黒体軌跡上にあり、白色感のある好ましいものとなる
。According to the present invention, the short wavelength blue component is suppressed by the multilayer interference film formed on the glass surface, so that the light emitted from the lighting device has a color temperature of about 3000, and the color of the light is almost on the black body locus. This results in a desirable white appearance.
実施例 以下、本発明の実施例について図面を用いて説明する。Example Embodiments of the present invention will be described below with reference to the drawings.
実施例１
第１図において、１は内径９岨の石英製発光管内にＮａ
Ｉ：ＴＩＩ：Ｔｍ１３：Ｈｏ１３：Ｄｙ１３の組成で金
属ハロゲン化物が２．３ｍｇ、水銀１２．３ｍｇおよび
アルゴンが１００Ｔｏ ｒ ｒ封入された７０Ｗの色温
度４３００にの両口金形メタルハライドランプであり、
２はアルミニウムからなる反射鏡、３は前面ガラスであ
る。前記前面ガラス３の内面には、５ｉ０２−Ｔｉ０２
からなる８層の多層干渉膜４が蒸着により形成されてい
る。多層干渉膜４が形成された前面ガラス３の可視部の
分光透過率は第２図に示すとおりである。すなわち、多
層干渉膜４は主として５５０ｎｍ以下の波長をカットす
る。４３００にでランプを点灯したときの本発明の照明
装置の分光エネルギー分布を第３図に示す。色温度は３
０００に、平均演色評価数Ｒａは８２であった。Example 1 In FIG. 1, 1 is a quartz arc tube with an inner diameter of 9 mm.
A double-ended metal halide lamp with a composition of I:TII:Tm13:Ho13:Dy13, 70W, color temperature 4300, filled with 2.3 mg of metal halide, 12.3 mg of mercury, and 100 Torr of argon,
2 is a reflecting mirror made of aluminum, and 3 is a front glass. On the inner surface of the front glass 3, 5i02-Ti02
A multilayer interference film 4 of eight layers is formed by vapor deposition. The spectral transmittance of the visible part of the front glass 3 on which the multilayer interference film 4 is formed is as shown in FIG. That is, the multilayer interference film 4 mainly cuts wavelengths of 550 nm or less. FIG. 3 shows the spectral energy distribution of the lighting device of the present invention when the lamp is lit at 4300 kHz. Color temperature is 3
000, and the average color rendering index Ra was 82.
なお、上記実施例１では多層干渉膜を前面ガラスの内面
に形成した場合について説明したが、その外面に形成し
てもよい。In addition, although the case where the multilayer interference film was formed on the inner surface of the front glass was explained in the above-mentioned Example 1, it may be formed on the outer surface.
実施例２
第４図において、１は内径９＋ｗ＋の石英製発光管内に
Ｎａｌ：Ｔ１１：Ｔｍ１３：Ｈｏ１３：Ｄｙ１ｓの組成
で金属ハロゲン化物が２ 、３ ｍｇ 、水銀１２．３
ｎ＋ｇおよびアルゴンが１００Ｔｏ ｒ ｒ封入された
７０Ｗの色温度４３００にの両口金形メタルハライドラ
ンプである。前面ガラス３の内面には、タリウム皮膜５
が１．５ミクロンの厚さに蒸着され、その上にＳ ｉ
０２ Ｔ ｉ ０２からなる８層の多層干渉膜４が蒸
着により形成されている。タリウム皮膜５および多層干
渉膜４が形成されたガラスの可視部の分光透過率は第５
図に示すとおりである。４３００にでランプを点灯した
ときの本発明の照明装置の分光エネルギー分布を第６図
に示す。色温度は３０００に、平均演色評価数Ｒａは８
５であった。実施例１の照明装置では光色は黒体軌跡よ
りはずれ、やや緑色がかるのに対し、実施例２の照明装
置ではほぼ黒体軌跡上にあり、白色感のある好ましい光
色となることが認められた。Example 2 In FIG. 4, 1 is a quartz arc tube with an inner diameter of 9+w+ and has a composition of Nal:T11:Tm13:Ho13:Dy1s with 2.3 mg of metal halide and 12.3 mg of mercury.
It is a 70W double-ended metal halide lamp with a color temperature of 4300 and filled with 100 Torr of n+g and argon. The inner surface of the front glass 3 is coated with a thallium film 5.
is deposited to a thickness of 1.5 microns, on which Si
An eight-layer multilayer interference film 4 made of 02 T i 02 is formed by vapor deposition. The spectral transmittance of the visible part of the glass on which the thallium film 5 and the multilayer interference film 4 are formed is the fifth
As shown in the figure. FIG. 6 shows the spectral energy distribution of the lighting device of the present invention when the lamp is lit at 4300 kHz. Color temperature is 3000, average color rendering index Ra is 8
It was 5. In the lighting device of Example 1, the light color deviates from the blackbody locus and has a slight green tinge, whereas in the lighting device of Example 2, it is almost on the blackbody locus and has a preferable light color with a white feel. It was done.
なお、上記実施例２ではタリウム皮膜と多層干渉膜との
二重層を前面ガラスの内面に形成した場合について説明
したが、その外面に形成してもよい。また、その二重層
の形成順序についても、前面ガラス側に多層干渉膜を形
成し、その上にタリウム皮膜を形成してもよい。In the second embodiment, a case has been described in which a double layer of a thallium film and a multilayer interference film is formed on the inner surface of the front glass, but it may be formed on the outer surface of the front glass. Also, regarding the order of forming the double layer, a multilayer interference film may be formed on the front glass side, and a thallium film may be formed thereon.
なお、多層干渉膜を形成する素材としては、３ ｉ ０
２− Ｔ ｉ ０２（７）組合せ以外に、５ｉ０２とＴ
ａ ２０ ｓ ヤ、５ｉ０２とＳ １３Ｎ２．Ｓ ｉ
０２とＺｒＯ２，ＴｉＯ２とＡｇとＴｉＯ２の組合せ
でも実施例１，２と同様の効果が得られる。The material for forming the multilayer interference film is 3 i 0
2- In addition to the T i 02 (7) combination, 5i02 and T
a 20 s ya, 5i02 and s 13N2. Si
The same effects as in Examples 1 and 2 can also be obtained with the combinations of ZrO2 and ZrO2, TiO2, Ag and TiO2.
発明の詳細
な説明したように、本発明のメタルハライドランプを備
えた照明装置によれば、前面ガラスの表面に多層干渉膜
を形成することにより、ランプを交換することな（色温
度３０００Ｋにまで低下させることができ、さらに前面
ガラスに多層干渉膜に加えてタリウム皮膜を形成するこ
とにより、黒体軌跡上にある好ましい光色を得ることが
可能となる。As described in detail, according to the lighting device equipped with the metal halide lamp of the present invention, by forming a multilayer interference film on the surface of the front glass, it is possible to reduce the color temperature to 3000K without replacing the lamp. Furthermore, by forming a thallium film on the front glass in addition to the multilayer interference film, it becomes possible to obtain a preferable light color on the blackbody locus.
第１図は本発明の一実施例である照明装置の一部切欠正
面図、第２図は多層干渉膜の分光透過率を示す図、第３
図は本発明の一実施例の照明装置の分光エネルギー分布
を示す図、第４図は本発明の他の実施例の照明装置の一
部切欠正面図、第５図は同照明装置の分光エネルギー分
布を示す図、第６図は同照明装置に分光透過率を示す図
である。
１・・・・・・メタルハライドランプ、２・・・・・・
反射鏡、３・・・・・・前面ガラス、４・・・・・・多
層干渉膜、５・・・・・・タノウム皮膜。
代理人の氏名 弁理士 粟野重孝 ほか１名粥
図
嘉
面
／−−−メタルハライドランプ
（ｒＬ凰）
長（７？、）：ｒＬ）FIG. 1 is a partially cutaway front view of a lighting device that is an embodiment of the present invention, FIG. 2 is a diagram showing the spectral transmittance of a multilayer interference film, and FIG.
The figure shows the spectral energy distribution of a lighting device according to one embodiment of the present invention, FIG. 4 is a partially cutaway front view of a lighting device according to another embodiment of the present invention, and FIG. 5 shows the spectral energy distribution of the lighting device A diagram showing the distribution, and FIG. 6 is a diagram showing the spectral transmittance of the same illumination device. 1...Metal halide lamp, 2...
Reflector, 3... Front glass, 4... Multilayer interference film, 5... Tanium film. Name of agent: Patent attorney Shigetaka Awano and 1 other person Kayuzu Kamen/---Metal halide lamp (rL 凰) Long (7?,):rL)
Claims (3)
られ、発光管内に金属ハロゲン化物を封入した色温度３
５００〜４８００Ｋのメタルハライドランプとを有する
照明装置において、前記ガラスの表面に多層干渉膜を形
成したことを特徴とするメタルハライドランプを備えた
照明装置。(1) A device with glass on the front, and a color temperature 3 provided in the device with a metal halide sealed in the arc tube.
A lighting device equipped with a metal halide lamp of 500 to 4800K, characterized in that a multilayer interference film is formed on the surface of the glass.
られ、発光管内に金属ハロゲン化物を封入した色温度３
５００〜４８００Ｋのメタルハライドランプとを有する
照明装置において、前記ガラスの表面に、タリウム皮膜
と多層干渉膜との二重層を形成したことを特徴とするメ
タルハライドランプを備えた照明装置。(2) Color temperature 3: an appliance with glass on the front, and a color temperature 3 installed in the appliance with a metal halide sealed in the arc tube.
A lighting device equipped with a metal halide lamp of 500 to 4800K, characterized in that a double layer of a thallium film and a multilayer interference film is formed on the surface of the glass.
２−Ｔａ＿２Ｏ＿５、ＳｉＯ＿２−Ｓｉ＿３Ｎ＿２、Ｓ
ｉ−Ｏ＿２−ＺｒＯ＿２またはＴｉＯ＿２−Ａｇ−Ｔｉ
Ｏ＿２からなることを特徴とする請求項１または請求項
２記載のメタルハライドランプを備えた照明装置。(3) Multilayer interference film is SiO_2-TiO_2, SiO_
2-Ta_2O_5, SiO_2-Si_3N_2, S
i-O_2-ZrO_2 or TiO_2-Ag-Ti
3. A lighting device comprising a metal halide lamp according to claim 1 or 2, characterized in that the lamp is made of O_2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1070903A JP2718986B2 (en) | 1989-03-23 | 1989-03-23 | Lighting device with metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1070903A JP2718986B2 (en) | 1989-03-23 | 1989-03-23 | Lighting device with metal halide lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02250201A true JPH02250201A (en) | 1990-10-08 |
| JP2718986B2 JP2718986B2 (en) | 1998-02-25 |
Family
ID=13444954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1070903A Expired - Lifetime JP2718986B2 (en) | 1989-03-23 | 1989-03-23 | Lighting device with metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2718986B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01251503A (en) * | 1988-03-31 | 1989-10-06 | Toshiba Lighting & Technol Corp | Lighting device |
| JPH0251103A (en) * | 1988-08-13 | 1990-02-21 | Iwasaki Electric Co Ltd | Light interference body |
-
1989
- 1989-03-23 JP JP1070903A patent/JP2718986B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01251503A (en) * | 1988-03-31 | 1989-10-06 | Toshiba Lighting & Technol Corp | Lighting device |
| JPH0251103A (en) * | 1988-08-13 | 1990-02-21 | Iwasaki Electric Co Ltd | Light interference body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2718986B2 (en) | 1998-02-25 |
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