KR200190725Y1 - 천장매입형 형광등 - Google Patents
천장매입형 형광등 Download PDFInfo
- Publication number
- KR200190725Y1 KR200190725Y1 KR2020000004136U KR20000004136U KR200190725Y1 KR 200190725 Y1 KR200190725 Y1 KR 200190725Y1 KR 2020000004136 U KR2020000004136 U KR 2020000004136U KR 20000004136 U KR20000004136 U KR 20000004136U KR 200190725 Y1 KR200190725 Y1 KR 200190725Y1
- Authority
- KR
- South Korea
- Prior art keywords
- fluorescent lamp
- light
- ceiling
- reflective lens
- convex
- 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 - Fee Related
Links
- 239000011521 glass Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002784 hot electron Substances 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
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/043—Optical design with cylindrical surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (2)
- 형광등(10)과 형광등(10)을 감싸는 원통형의 반사통(13)과 형광등(10)으로 전원을 공급하는 소켓(11) 등이 천장 내부에 설치되는 천장매입형 형광등에 있어서,형광등(10)의 하부에 빛을 확산시키는 반사렌즈(20)가 구비되고,반사렌즈(20)는 형광등 쪽으로 향하는 입사면(20a)과 실내 쪽으로 향하는 출사면(20b)으로 구성되며 입사면(20a)에는 중앙으로부터 외주연 쪽으로 오목부(22)와 볼록부(23)가 동심원을 이루며 연이어 형성되고, 출사면(20b)에는 중앙으로부터 외주연으로 볼록부(24)가 동심원을 이루며 형성되며 이들 오목부(22)와 볼록부(23)(24)에 의해 빛의 직진성이 증가됨을 특징으로하는 천장매입형 형광등.
- 제 1 항에 있어서, 반사렌즈(20)의 입사면에 형성된 오목부(22)와 볼록부(23) 표면에 톱니 형태의 요철(25)이 동심원을 이루며 다수개 형성되어 빛의 확산성이 증가되도록 한 것을 특징으로하는 천장매입형 형광등.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020000004136U KR200190725Y1 (ko) | 2000-02-16 | 2000-02-16 | 천장매입형 형광등 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020000004136U KR200190725Y1 (ko) | 2000-02-16 | 2000-02-16 | 천장매입형 형광등 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR200190725Y1 true KR200190725Y1 (ko) | 2000-08-01 |
Family
ID=19642282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020000004136U Expired - Fee Related KR200190725Y1 (ko) | 2000-02-16 | 2000-02-16 | 천장매입형 형광등 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200190725Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020063416A (ko) * | 2001-01-29 | 2002-08-03 | 손재윤 | 천정 매입형 조명등기구 |
-
2000
- 2000-02-16 KR KR2020000004136U patent/KR200190725Y1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020063416A (ko) * | 2001-01-29 | 2002-08-03 | 손재윤 | 천정 매입형 조명등기구 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 20000216 |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 20000518 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 1 Payment date: 20000217 |
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UG1601 | Publication of registration | ||
T201 | Request for technology evaluation of utility model | ||
UT0201 | Request for technical evaluation |
Patent event date: 20001122 Comment text: Request for Technology Evaluation of Utility Model Patent event code: UT02011R01D |
|
UR1001 | Payment of annual fee |
Payment date: 20010504 Start annual number: 2 End annual number: 3 |
|
T701 | Written decision to grant on technology evaluation | ||
UT0701 | Decision on maintenance of utility model |
Patent event date: 20010619 Comment text: Written Decision on Result of Technology Evaluation Patent event code: UT07011S01D |
|
UR1001 | Payment of annual fee |
Payment date: 20030428 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20040519 Year of fee payment: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 20040519 Start annual number: 5 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |