JPH01169866A - Discharge lamp - Google Patents
Discharge lampInfo
- Publication number
- JPH01169866A JPH01169866A JP32713987A JP32713987A JPH01169866A JP H01169866 A JPH01169866 A JP H01169866A JP 32713987 A JP32713987 A JP 32713987A JP 32713987 A JP32713987 A JP 32713987A JP H01169866 A JPH01169866 A JP H01169866A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- discharge
- ultraviolet rays
- lamp according
- substance
- 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
- 239000000843 powder Substances 0.000 claims abstract description 4
- 230000001699 photocatalysis Effects 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 239000005388 borosilicate glass Substances 0.000 claims description 3
- -1 GeAs Chemical compound 0.000 claims 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 239000011941 photocatalyst Substances 0.000 abstract 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000006552 photochemical reaction Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910005451 FeTiO3 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、脱臭作用を有する放電灯に係る。[Detailed description of the invention] [Industrial application field] The present invention relates to a discharge lamp having a deodorizing effect.
殺菌を目的とした紫外線を放射する放電灯は、たとえば
照明ハンドブック（照明学会ｉ、１９７８゜オーム社）
の第７０９頁から第７１０頁に記載されている。また、
光触媒効果を有するチタニアに光を照射すると脱臭効果
などの光化学作用が起ることは、たとえば、雑誌セラミ
ックスの第２１巻第４号（１９８６年）の第３２６頁か
ら第３３３頁に記載されている。Discharge lamps that emit ultraviolet rays for the purpose of sterilization are described, for example, in the Lighting Handbook (Illumination Society I, 1978 Ohmsha).
It is described on pages 709 to 710 of . Also,
The fact that photochemical effects such as deodorizing effects occur when titania, which has a photocatalytic effect, is irradiated with light is described, for example, in the magazine Ceramics, Vol. 21, No. 4 (1986), pages 326 to 333. .
上記従来の技術は、紫外線を放射する光源と光触媒作用
を有する物質を別々に離して設け、触媒作用物質の表面
に紫外線を照射する方式であった。The above-mentioned conventional technology is a method in which a light source that emits ultraviolet rays and a substance that has a photocatalytic effect are provided separately, and the surface of the catalytic substance is irradiated with ultraviolet rays.
したがって、紫外線光源（一般には放電灯が使用される
が）から放射された紫外線のごく一部しか利用できず、
効率が悪いという欠点があった。Therefore, only a small portion of the UV radiation emitted by the UV light source (generally a discharge lamp is used) can be utilized;
The drawback was that it was inefficient.
本発明の目的は、光触媒作用を有する物質に対して紫外
線を効率よく照射できる放電灯を提供することにある。An object of the present invention is to provide a discharge lamp that can efficiently irradiate ultraviolet rays to a substance having a photocatalytic action.
上記目的は、紫外線を放射する放電灯の放電容器の外表
面に、光触媒作用を有する物質を直接設けることによっ
て達成される。すなわち、光触媒作用を有する物質を粉
体状にして、紫外線を放射する放電灯の外表面に塗布す
ると、紫外線はほぼ１００％利用できる。The above object is achieved by providing a photocatalytic substance directly on the outer surface of the discharge vessel of a discharge lamp that emits ultraviolet radiation. In other words, if a photocatalytic substance is powdered and applied to the outer surface of a discharge lamp that emits ultraviolet rays, almost 100% of the ultraviolet rays can be utilized.
放電プラズマから放射された紫外線は、放電容器の壁を
通って、放電容器の外表面に設けられた光触媒作用を有
する物質に直接作用する。したがって、放電から放射さ
れた光を効率よく利用できる。The ultraviolet rays emitted from the discharge plasma pass through the wall of the discharge vessel and directly act on a photocatalytic substance provided on the outer surface of the discharge vessel. Therefore, the light emitted from the discharge can be used efficiently.
以下、本発明の実施を図面とともに説明する。 Hereinafter, implementation of the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例で、１は内径１４ｍｍ、長さ
４５ｍｍの石英ガラス製の放電容器、２は光触媒作用を
有するアナターゼ型のＴ ｉ ０２粉、３はタングステ
ンコイルに（Ｂ ａ ｙ Ｓ ｒ Ｔ Ｃａ ）０を主
成分とした電子放射物質を塗布した熱陰極、４は５ ｍ
ｍ角、のニッケル板からなる陽極である。FIG. 1 shows an embodiment of the present invention, in which 1 is a discharge vessel made of quartz glass with an inner diameter of 14 mm and a length of 45 mm, 2 is anatase-type T i 02 powder having photocatalytic action, and 3 is a tungsten coil (Ba Hot cathode coated with electron-emitting material whose main component is y S r T Ca )0, 4 is 5 m
The anode is made of an m square nickel plate.
熱陰極３および陽極４は、モリブデン箔５を介してプレ
スシール部６で放電容器１内に封入されている。また、
放電容器１の中には、放電用ガスとして５Ｔｏｒｒのア
ルゴンと水銀が封入されている。The hot cathode 3 and the anode 4 are sealed in the discharge vessel 1 with a press seal 6 via a molybdenum foil 5. Also,
Inside the discharge vessel 1, 5 Torr of argon and mercury are sealed as discharge gases.
熱陰極３と陽極４の距離は３ｍｍである。光触閲作用を
有するアナターゼ型Ｔｉ○２は１粒径約０．０５μｍの
粉体を純水の中に分散させ、これを放電容器１に塗布す
る方法で、膜状に設けた。The distance between the hot cathode 3 and the anode 4 is 3 mm. Anatase type Ti○2 having a photocatalytic effect was provided in the form of a film by dispersing powder with a grain size of about 0.05 μm in pure water and applying it to the discharge vessel 1.
上記の放電灯を放電々流０．３Ａで点灯すると、放電電
圧は約１０ｖ、放電々力は約３Ｗになり、放電灯内には
負グロープラズマだけが発生した。When the above discharge lamp was lit with a discharge current of 0.3 A, the discharge voltage was approximately 10 V, the discharge force was approximately 3 W, and only negative glow plasma was generated within the discharge lamp.
負グロープラズマから放射された波長１８５ｎｍと２５
４ｎｍの水銀の共鳴線は、石英ガラス製の放電容器１を
透過し、光触媒作用を有する物質である。Ｔｉ０ｚ２に
照射される。すなわち、放電容器から放射された光はす
べて、光触媒作用を有する物質に照射されるので、光の
むだが無く、効率がよい。Wavelengths of 185 nm and 25 nm emitted from negative glow plasma
The resonance line of 4 nm of mercury is a substance that transmits through the discharge vessel 1 made of quartz glass and has a photocatalytic effect. Ti0z2 is irradiated. That is, all of the light emitted from the discharge vessel is irradiated onto the substance that has a photocatalytic action, so there is no wasted light and the efficiency is high.
上記の放電灯を、たとえば臭気の中で点灯すると、Ｔｉ
○２膜上に飛来した臭気の分子は。When the above-mentioned discharge lamp is lit in an odor, for example, Ti
○2 What are the odor molecules that fly onto the membrane?
ＴｉＯ２の光触媒作用によって分解し、臭いのない物質
になってしまう。すなわち、脱臭を行う事ができる。It decomposes due to the photocatalytic action of TiO2 and becomes an odorless substance. That is, deodorization can be performed.
上記の放電灯の放電容器の点灯状態における温度は、周
囲の空気の温度よりも２５℃から４０℃高くなる。その
放電容器に光触媒作用を有する物質を直接設けるので、
光触媒作用を有する物質の温度も放電容器の温度と同等
に高くなり、したがって光化学反応はよりいっそう促進
されるという利点も生じる。The temperature of the discharge vessel of the discharge lamp in the lit state is 25 to 40 degrees Celsius higher than the temperature of the surrounding air. Since a substance with photocatalytic action is directly provided in the discharge vessel,
There also arises the advantage that the temperature of the photocatalytic substance is also as high as the temperature of the discharge vessel, and therefore the photochemical reaction is further promoted.
放電容器が石英ガラスなので、エネルギーの大きい１８
５ｎｍも光触媒作用を有する物質に到達することが出来
、したがって光化学反応が促進される、放電容器の温度
が急変しても放電容器がこわれないなどの利点がある。Since the discharge vessel is made of quartz glass, the energy is high.
It has the advantage of being able to reach substances with photocatalytic activity as small as 5 nm, thus promoting photochemical reactions, and preventing the discharge vessel from being damaged even if the temperature of the discharge vessel suddenly changes.
本放電灯は、陰極−陽極間の距離が３ ｍ ｍと非常に
小さく、かつ片口金構造であるため、超小形という特長
を有する。また、放電々圧が低いのでコンデンサーバラ
ストで点灯することができ、バラス１−を小形、軽量化
できるという利点を有する。This discharge lamp has a very small distance between the cathode and the anode of 3 mm, and has a single-cap structure, so it has the feature of being ultra-small. In addition, since the discharge pressure is low, it can be lit using a capacitor ballast, which has the advantage that the ballast 1- can be made smaller and lighter.
第２図は本発明の別の実施例で、Ｓ ｉ ０２−Ｂ２０
３−Ｎ２０−に２Ｏ−ＺｎＯ系の２５４ｎｍの紫外線を
透過するほうけい酸ガラスからなる球状の放電容器１内
に、二個の熱陰３，３′が間隔５ｍｍで設けられている
。放電用ガスはクリプトンと水銀蒸気の混合ガスである
。２は光触媒作用を有するＷＯ３である。FIG. 2 shows another embodiment of the invention, S i 02-B20
Two heat shades 3 and 3' are provided at an interval of 5 mm in a spherical discharge vessel 1 made of borosilicate glass that transmits 254 nm ultraviolet rays of 3-N20- and 2O-ZnO systems. The discharge gas is a mixed gas of krypton and mercury vapor. 2 is WO3 having photocatalytic action.
放射容器としてほうけい酸ガラスを使用すると、安価で
ある、加工しやすい、光触媒作用を有する物質が付着し
やすいなどの利点が生じる。The use of borosilicate glass as a radiation container has the advantages of being inexpensive, easy to process, and easy to adhere to substances that have a photocatalytic effect.
この実施例では二つの熱陰極が封入されているので、交
流で点灯できるという利点がある。交流で点灯しても、
負グローだけが発生し、放電々圧は約９ｖである。In this embodiment, since two hot cathodes are enclosed, there is an advantage that it can be lit using alternating current. Even if it is lit by AC,
Only negative glow occurs, and the discharge voltage is approximately 9V.
放電々圧が低いので、コンデンサーバラスＩ〜で点灯で
きる。第３図は、本実施例の放電灯を５０ＨｚｌＯＯＶ
の電源で、コンデンサーバラストで点灯するための回路
である。２３．２４はダイオード、２１．２２は２２μ
Ｆの電解コンデンサーでダイオードのアノードに接続さ
れた極が負極である。電解コンデンサーとダイオードの
組み合わせを使用することにより、フィルム形の交流用
コンデンサーに比較し小形、軽量化ができる。Since the discharge pressure is low, it can be lit with a capacitor balance I~. Figure 3 shows the discharge lamp of this example at 50HzlOOV.
This is a circuit for lighting with a capacitor ballast using a power source. 23.24 is a diode, 21.22 is 22μ
The pole connected to the anode of the diode in the F electrolytic capacitor is the negative pole. By using a combination of an electrolytic capacitor and a diode, it can be made smaller and lighter than a film-type AC capacitor.
２５は双方向性のスイッチ素子（商品名：サイダック、
新電元工業に、に、）で、放電のスタータである。点灯
回路の部品である電解コンデンサー２１、号２、ダイオ
ード２３．２４および双方向性スイッチ素子２５は小形
なので、これらは、第４図に示したように、放電容器１
に取り付けられたケース２６内に収納することができる
。この放電灯を１００Ｖ５０Ｈｚのソケットに直接挿入
すると、入力電力約３．５Ｗで放電電力約３Ｗの放電が
発生し、負グローから放射された２５４ｍｍの紫外線は
放電容器１の外表面に設けられたＷＯ３に作用し、光化
学反応を起す。以上のように、本実施の放電管は、超小
形である。１００Ｖの交流で直接点灯できるという利点
がある。25 is a bidirectional switch element (product name: Cydac,
It is a discharge starter for Shindengen Industries, Ltd. The electrolytic capacitors 21, No. 2, diodes 23 and 24, and bidirectional switching element 25, which are components of the lighting circuit, are small, so they are connected to the discharge vessel 1 as shown in FIG.
It can be stored in a case 26 attached to. When this discharge lamp is inserted directly into a 100V50Hz socket, a discharge with a discharge power of about 3W occurs with an input power of about 3.5W, and the 254mm ultraviolet rays emitted from the negative glow are transmitted to the WO3 provided on the outer surface of the discharge vessel 1. and causes a photochemical reaction. As described above, the discharge tube of this embodiment is ultra-small. It has the advantage of being able to be lit directly with 100V AC.
第５図は本発明の別の実施例で、円筒形の細長い放電容
器１の両端に１対の熱陰極３，３′を設けたものである
。この実施例の放電管では、主に陽光極プラズマを利用
するので、紫外線の放射効率が高いという利点がある。FIG. 5 shows another embodiment of the present invention, in which a pair of hot cathodes 3, 3' are provided at both ends of an elongated cylindrical discharge vessel 1. Since the discharge tube of this embodiment mainly utilizes anode plasma, it has the advantage of high ultraviolet radiation efficiency.
上記の実施例において、熱陰極３，３′のかわりに冷陰
極を使用すると、長寿命という利点が得られる。In the embodiments described above, the use of cold cathodes in place of the hot cathodes 3, 3' provides the advantage of long life.
光触媒作用を有する物質としては、上述のＴｉＯ２，Ｗ
Ｏ３の他に、ＬａＲｈ０３．ＦｅＴｉＯ３゜Ｆｅ２Ｏ３
，Ｃｄ Ｆｅ２Ｏ４，Ｓ ｒＴｉ０３．Ｃｄ Ｓｅ。Examples of substances having a photocatalytic effect include the above-mentioned TiO2 and W.
In addition to O3, LaRh03. FeTiO3゜Fe2O3
, Cd Fe2O4, S rTi03. Cd Se.
Ｇ ａ Ａ ｓ 、 Ｇ ａ Ｐ 、 Ｒｕ○２などを
用いても、すぐれた効果がある。Excellent effects can also be obtained by using G a As , G a P , Ru○2, and the like.
本発明によれば、放電によって放射された紫外線を無駄
なく光触媒作用を有する物質に照射することが出来、し
たがって、効率よく光化学反応を行うことができる。According to the present invention, the ultraviolet rays emitted by the discharge can be irradiated onto a substance having a photocatalytic action without waste, and therefore a photochemical reaction can be carried out efficiently.
第１．２．５図は本発明の実施例の放電管の縦断面図、
第３図は本発明の一実施例の放電管の点灯回路図、第４
図は本発明の一実施例の放電管の全体図である。
１・・・放電容器、２・・・光触媒作用を有する物質、
３・・・熱陰極、４・・・アノード、２５・・・両方向
性スイッチ、２６・・・ケース。
不７区
Δ ： フ゛レスシールｎ
頷２ンFig. 1.2.5 is a longitudinal sectional view of a discharge tube according to an embodiment of the present invention;
FIG. 3 is a lighting circuit diagram of a discharge tube according to an embodiment of the present invention;
The figure is an overall view of a discharge tube according to an embodiment of the present invention. 1... Discharge vessel, 2... Substance having photocatalytic action,
3... Hot cathode, 4... Anode, 25... Bidirectional switch, 26... Case. Non-7th Ward Δ: Forest Seal n Nod 2n
Claims (1)
くとも一部に、光触媒作用を有する物質を設けたことを
特徴とする放電灯。 ２、前記放電灯の放電用ガスが水銀蒸気と希ガスとの混
合ガスであることを特徴とした特許請求の範囲第１項記
載の放電灯。 ３、前記放電灯は少なくとも二個の電極を有し、放電プ
ラズマとして主に負グローが存在することを特徴とした
特許請求の範囲第１項記載の放電灯。 ４、前記放電灯は少なくとも二個の冷陰極を有すること
を特徴とした特許請求の範囲第１項記載の放電灯。 ５、前記放電灯は少なくとも一個の熱陰極を有すること
を特徴とした特許請求の範囲第１項記載の放電灯。 ６、前記放電灯の放電容器が石英ガラスであることを特
徴とした特許請求の範囲第１項記載の放電灯。 ７、前記放電灯の放電容器が紫外線を透過するほうけい
酸ガラスであることを特徴とする特許請求の範囲第１項
記載の放電灯。 ８、前記光触媒作用を有する物質は、ＴｉＯ＿２、Ｌａ
ＲｈＯ＿３、ＦｅＴｉＯ＿３、Ｆｅ＿２Ｏ＿３、ＣｄＦ
ｅ＿２Ｏ＿４、ＷＯ＿３、ＳｒＴｉＯ＿３、ＣｄＳｅ、
ＧｅＡｓ、ＧａＡｓ、ＧａＰ、ＲｕＯ＿２およびＺｎＯ
の中から選び少なくとも一種であることを特徴とした特
許請求の範囲第１項記載の放電灯。 ９、前記光触媒作用を有する物質は、粉体状あるいは多
孔質状であることを特徴とした特許請求の範囲第１項記
載の放電灯。[Scope of Claims] 1. A discharge lamp that emits ultraviolet rays, characterized in that a substance having a photocatalytic action is provided on at least a part of the outer surface of a discharge vessel of the discharge lamp. 2. The discharge lamp according to claim 1, wherein the discharge gas of the discharge lamp is a mixed gas of mercury vapor and rare gas. 3. The discharge lamp according to claim 1, wherein the discharge lamp has at least two electrodes, and negative glow is mainly present as discharge plasma. 4. The discharge lamp according to claim 1, wherein the discharge lamp has at least two cold cathodes. 5. The discharge lamp according to claim 1, wherein the discharge lamp has at least one hot cathode. 6. The discharge lamp according to claim 1, wherein the discharge vessel of the discharge lamp is made of quartz glass. 7. The discharge lamp according to claim 1, wherein the discharge vessel of the discharge lamp is made of borosilicate glass that transmits ultraviolet rays. 8. The substance having photocatalytic action is TiO_2, La
RhO_3, FeTiO_3, Fe_2O_3, CdF
e_2O_4, WO_3, SrTiO_3, CdSe,
GeAs, GaAs, GaP, RuO_2 and ZnO
The discharge lamp according to claim 1, characterized in that it is at least one selected from the following. 9. The discharge lamp according to claim 1, wherein the substance having a photocatalytic action is in the form of powder or porous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32713987A JPH01169866A (en) | 1987-12-25 | 1987-12-25 | Discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32713987A JPH01169866A (en) | 1987-12-25 | 1987-12-25 | Discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01169866A true JPH01169866A (en) | 1989-07-05 |
Family
ID=18195751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32713987A Pending JPH01169866A (en) | 1987-12-25 | 1987-12-25 | Discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01169866A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063494U (en) * | 1991-10-28 | 1994-01-18 | 株式会社日本フォトサイエンス | Fluid photochemical reaction processor |
| JPH097546A (en) * | 1995-04-21 | 1997-01-10 | Toshiba Lighting & Technol Corp | Tubular bulb, electric discharge lamp, electrodeless electric discharge lamp, fluorescent lamp, and luminaire |
| JPH09100140A (en) * | 1995-07-31 | 1997-04-15 | Toshiba Lighting & Technol Corp | Glass formed body, lighting fixture and production of glass formed body |
| JPH09171801A (en) * | 1995-12-20 | 1997-06-30 | Nippon Soda Co Ltd | Photo-catalyst-carried floodlight |
| JPH09231821A (en) * | 1995-12-22 | 1997-09-05 | Toto Ltd | Luminaire and method for maintaining illuminance |
| JPH1053438A (en) * | 1996-08-06 | 1998-02-24 | Showa Denko Kk | Fluorescent lamp |
| EP0887104A1 (en) * | 1996-12-09 | 1998-12-30 | Toshiba Lighting & Technology Corporation | Photocatalyst, light source and lighting device |
| JPH11176382A (en) * | 1997-12-08 | 1999-07-02 | Hitachi Ltd | Light source with photocatalyst |
| US6939611B2 (en) | 1994-10-31 | 2005-09-06 | Kanagawa Academy Of Science And Technology | Window glass employing titanium dioxide photocatalyst |
| JP2007027553A (en) * | 2005-07-20 | 2007-02-01 | Inax Corp | Ultraviolet irradiator, and lavatory structure and bathtub structure using the same |
| WO2008152591A1 (en) | 2007-06-14 | 2008-12-18 | Koninklijke Philips Electronics N.V. | Self-cleaning system and window-glass |
| EP2275147A1 (en) * | 2002-05-06 | 2011-01-19 | Carrier Corporation | Electrodeless ultraviolet discharge fluid remediation |
| JP2016213213A (en) * | 2015-04-28 | 2016-12-15 | 日機装株式会社 | Light-emitting module |
-
1987
- 1987-12-25 JP JP32713987A patent/JPH01169866A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063494U (en) * | 1991-10-28 | 1994-01-18 | 株式会社日本フォトサイエンス | Fluid photochemical reaction processor |
| US6939611B2 (en) | 1994-10-31 | 2005-09-06 | Kanagawa Academy Of Science And Technology | Window glass employing titanium dioxide photocatalyst |
| US7327074B2 (en) | 1994-10-31 | 2008-02-05 | Kanagawa Academy Of Science And Technology | Illuminating devices employing titanium dioxide photocatalysts |
| US7157840B2 (en) | 1994-10-31 | 2007-01-02 | Kanagawa Academy Of Science And Technology | Illuminating devices employing titanium dioxide photocatalysts |
| JPH097546A (en) * | 1995-04-21 | 1997-01-10 | Toshiba Lighting & Technol Corp | Tubular bulb, electric discharge lamp, electrodeless electric discharge lamp, fluorescent lamp, and luminaire |
| JPH09100140A (en) * | 1995-07-31 | 1997-04-15 | Toshiba Lighting & Technol Corp | Glass formed body, lighting fixture and production of glass formed body |
| JPH09171801A (en) * | 1995-12-20 | 1997-06-30 | Nippon Soda Co Ltd | Photo-catalyst-carried floodlight |
| JPH09231821A (en) * | 1995-12-22 | 1997-09-05 | Toto Ltd | Luminaire and method for maintaining illuminance |
| JPH1053438A (en) * | 1996-08-06 | 1998-02-24 | Showa Denko Kk | Fluorescent lamp |
| EP0887104A4 (en) * | 1996-12-09 | 2001-01-10 | Toshiba Lighting & Technology | Photocatalyst, light source and lighting device |
| EP1352881A2 (en) * | 1996-12-09 | 2003-10-15 | Toshiba Lighting & Technology Corporation | Photocatalyst, lightsource and lighting device |
| EP1352881A3 (en) * | 1996-12-09 | 2004-01-28 | Toshiba Lighting & Technology Corporation | Photocatalyst, lightsource and lighting device |
| EP0887104A1 (en) * | 1996-12-09 | 1998-12-30 | Toshiba Lighting & Technology Corporation | Photocatalyst, light source and lighting device |
| JPH11176382A (en) * | 1997-12-08 | 1999-07-02 | Hitachi Ltd | Light source with photocatalyst |
| EP2275147A1 (en) * | 2002-05-06 | 2011-01-19 | Carrier Corporation | Electrodeless ultraviolet discharge fluid remediation |
| JP2007027553A (en) * | 2005-07-20 | 2007-02-01 | Inax Corp | Ultraviolet irradiator, and lavatory structure and bathtub structure using the same |
| WO2008152591A1 (en) | 2007-06-14 | 2008-12-18 | Koninklijke Philips Electronics N.V. | Self-cleaning system and window-glass |
| US8147971B2 (en) | 2007-06-14 | 2012-04-03 | Koninklijke Philips Electronics N.V. | Self-cleaning system and window-glass |
| JP2016213213A (en) * | 2015-04-28 | 2016-12-15 | 日機装株式会社 | Light-emitting module |
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