KR920001617A - 고색상 온도에서 연색성을 갖는 백열 램프 - Google Patents
고색상 온도에서 연색성을 갖는 백열 램프 Download PDFInfo
- Publication number
- KR920001617A KR920001617A KR1019900008777A KR900008777A KR920001617A KR 920001617 A KR920001617 A KR 920001617A KR 1019900008777 A KR1019900008777 A KR 1019900008777A KR 900008777 A KR900008777 A KR 900008777A KR 920001617 A KR920001617 A KR 920001617A
- Authority
- KR
- South Korea
- Prior art keywords
- refractive index
- index layer
- incandescent lamp
- interference film
- optical interference
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K5/00—Lamps for general lighting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/281—Interference filters designed for the infrared light
- G02B5/282—Interference filters designed for the infrared light reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (5)
- 벌브(13)와, 상기 벌브에 지지된 필라멘트(19)와, 상기 벌브의 내측면 및 외측면중 어느 한 측면에 형성되어 기준 굴절율을 갖는 제1굴절율층(31)과 상기 제1굴절율층의 굴절율보다 작은 소정의 굴절율을 갖는 제2굴절율층(33)이 서로에 대해 교대로 적층되고 상기 제1굴절율층 및 상기 제2굴절율층의 총층수가 n(여기서 n은 5보다 큰 홀수)이며 각 굴절율층의 광학 두께가 d가 0.12~0.17Mm인 제1광학 간섭필림과, 상기 제1광학 간섭 필림에 형성되며 상기 제2광학 간섭필림의 제2굴절율층의 광학 두께 d를 식(k+1)×(여기서 k는 1,2~1.5)으로 나타낸 다른 제2굴절율층을 포함한 제2광학 간섭필림과, 상기 제2광학 간섭필림에 형성되며 상기 제1및 제2굴절율층의 총 층수가 1~(n-4)의 홀수이고 각 굴절율층의 광학 두께가 식 k×d로 나타나도록 적어도 제1굴절율층을 포함한 제3광학 간섭 필림과, 상기 제3광학 간섭필림에 형성되며 제2굴절율층의 광학 두께를 식으로 나타내는 다른 제2굴절율층을 포함한 제4광학 간섭필림을 포함한것을 특징으로 하는 백열램프.
- 제1항에 있어서, 상기 제1광학 간섭 필림의 제1굴절율층 및 상기 벌브의 표면사이에 삽입되며, 상기 제1및 제2굴절율층 사이의 라켓굴절율을 가지며 두께 d/2인 제3굴절율충(35)을 추가로 포함한것을 특징으로 하는 백열램프.
- 제2항에 있어서, 상기 제1굴절율층의 소정의 굴절율이 2.0이상인 것을 특징으로 하는 백열램프.
- 제3항에 있어서, 상기 제2굴절율층의 소정의 굴절율이 1.6이하인 것을 특징으로 하는 백열램프.
- 제4항에 있어서, 상기 제3굴절율층의 소정의 굴절율이 1.7~1.9인 것을 특징으로 하는 백열램프.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-155221 | 1989-06-17 | ||
JP155221 | 1989-06-17 | ||
JP1155221A JP2626061B2 (ja) | 1989-06-17 | 1989-06-17 | 白熱電球 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920001617A true KR920001617A (ko) | 1992-01-30 |
KR930003060B1 KR930003060B1 (ko) | 1993-04-17 |
Family
ID=15601172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900008777A KR930003060B1 (ko) | 1989-06-17 | 1990-06-15 | 고색상 온도에서 연색성을 갖는 백열램프 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5146130A (ko) |
EP (1) | EP0404459A3 (ko) |
JP (1) | JP2626061B2 (ko) |
KR (1) | KR930003060B1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578893A (en) * | 1993-11-16 | 1996-11-26 | Piaa Corporation | Bulb for vehicular lighting equipment |
DK0995457T3 (da) | 1995-12-07 | 2004-08-16 | Jago Res Ag | Mundstykke til inhalator til flere dosisvise afgivelser af farmakologisk törpulver |
US5923471A (en) * | 1996-11-26 | 1999-07-13 | Deposition Sciences, Inc. | Optical interference coating capable of withstanding severe temperature environments |
US6356020B1 (en) * | 1998-07-06 | 2002-03-12 | U.S. Philips Corporation | Electric lamp with optical interference coating |
JP2001196872A (ja) * | 2000-01-17 | 2001-07-19 | Sony Corp | 利得制御回路およびこれを用いた無線通信装置 |
AU4393101A (en) * | 2000-03-20 | 2001-10-03 | Bartenbach, Christian | Device for guiding light for an elongated light source |
JP4404568B2 (ja) * | 2003-04-10 | 2010-01-27 | 株式会社エルモ社 | 赤外線カットフィルタおよびその製造方法 |
DE10358676A1 (de) * | 2003-12-12 | 2005-07-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Glühlampe mit aktivierender Wirkung |
US7830075B2 (en) * | 2005-10-28 | 2010-11-09 | Hewlett-Packard Development Company, L.P. | Reflector for transmission of a desired band of wavelengths of electromagnetic radiation |
EP2650706A4 (en) * | 2010-12-09 | 2015-08-19 | Konica Minolta Inc | NEAR INFRARED REFLECTIVE FILM AND NEAR INFRARED REFLECTIVE BODY EQUIPPED WITH THE SAME |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1177704A (en) * | 1981-07-20 | 1984-11-13 | James D. Rancourt | Optical coatings for high temperature applications |
JPH0612663B2 (ja) * | 1984-06-05 | 1994-02-16 | 東芝ライテック株式会社 | 白熱電球 |
JPS61101949A (ja) * | 1984-10-24 | 1986-05-20 | 東芝ライテック株式会社 | 電球 |
US4839553A (en) * | 1987-12-21 | 1989-06-13 | Gte Products Corporation | Reflector lamp having complementary dichroic filters on the reflector and lens for emitting colored light |
-
1989
- 1989-06-17 JP JP1155221A patent/JP2626061B2/ja not_active Expired - Lifetime
-
1990
- 1990-06-15 US US07/538,328 patent/US5146130A/en not_active Expired - Fee Related
- 1990-06-15 EP EP19900306565 patent/EP0404459A3/en not_active Ceased
- 1990-06-15 KR KR1019900008777A patent/KR930003060B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930003060B1 (ko) | 1993-04-17 |
EP0404459A2 (en) | 1990-12-27 |
JPH0320960A (ja) | 1991-01-29 |
EP0404459A3 (en) | 1991-04-10 |
JP2626061B2 (ja) | 1997-07-02 |
US5146130A (en) | 1992-09-08 |
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Comment text: Registration of Establishment Patent event date: 19930906 Patent event code: PR07011E01D |
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