EP0814453A3 - Illumination apparatus - Google Patents
Illumination apparatus Download PDFInfo
- Publication number
- EP0814453A3 EP0814453A3 EP97201731A EP97201731A EP0814453A3 EP 0814453 A3 EP0814453 A3 EP 0814453A3 EP 97201731 A EP97201731 A EP 97201731A EP 97201731 A EP97201731 A EP 97201731A EP 0814453 A3 EP0814453 A3 EP 0814453A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- light source
- housing
- rearward direction
- lens surfaces
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
-
- 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
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0418—Constructional details
- G09F13/0422—Reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
- G09F2013/145—Arrangements of reflectors therein curved reflectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66575496A | 1996-06-18 | 1996-06-18 | |
US665754 | 1996-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0814453A2 EP0814453A2 (en) | 1997-12-29 |
EP0814453A3 true EP0814453A3 (en) | 1999-07-28 |
Family
ID=24671450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97201731A Withdrawn EP0814453A3 (en) | 1996-06-18 | 1997-06-07 | Illumination apparatus |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0814453A3 (en) |
JP (1) | JPH1082973A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110070806A (en) * | 2019-03-31 | 2019-07-30 | 方迪勇 | A kind of constructive method of modularization large lamp box |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4522938B2 (en) * | 2005-10-07 | 2010-08-11 | 株式会社クラレ | Light control member provided in illumination device and image display device using the same |
JP4563294B2 (en) * | 2005-10-07 | 2010-10-13 | 株式会社クラレ | Light control member provided in illumination device and image display device using the same |
WO2012159545A1 (en) * | 2011-05-23 | 2012-11-29 | 北京莱易龙光电科技有限公司 | Led light box |
US9082326B2 (en) * | 2013-05-02 | 2015-07-14 | 3M Innovative Properties Company | Self illuminated shaped and two-sided signage for printed graphics |
KR20200131219A (en) * | 2018-03-20 | 2020-11-23 | 소니 주식회사 | Image display device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5134553A (en) * | 1990-10-17 | 1992-07-28 | Toshiaki Nakagawa | Illuminating device |
US5282117A (en) * | 1990-08-24 | 1994-01-25 | Fritts Robert W | Light leveling means for fluorescent backlit displays or the like |
US5365411A (en) * | 1993-01-06 | 1994-11-15 | Kaufel Group Ltd. | Exit signs with LED illumination |
GB2310525A (en) * | 1996-02-24 | 1997-08-27 | Ronnie Revell | Illuminated display device |
-
1997
- 1997-06-07 EP EP97201731A patent/EP0814453A3/en not_active Withdrawn
- 1997-06-17 JP JP9159805A patent/JPH1082973A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282117A (en) * | 1990-08-24 | 1994-01-25 | Fritts Robert W | Light leveling means for fluorescent backlit displays or the like |
US5134553A (en) * | 1990-10-17 | 1992-07-28 | Toshiaki Nakagawa | Illuminating device |
US5365411A (en) * | 1993-01-06 | 1994-11-15 | Kaufel Group Ltd. | Exit signs with LED illumination |
GB2310525A (en) * | 1996-02-24 | 1997-08-27 | Ronnie Revell | Illuminated display device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110070806A (en) * | 2019-03-31 | 2019-07-30 | 方迪勇 | A kind of constructive method of modularization large lamp box |
Also Published As
Publication number | Publication date |
---|---|
JPH1082973A (en) | 1998-03-31 |
EP0814453A2 (en) | 1997-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
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PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RIC1 | Information provided on ipc code assigned before grant |
Free format text: 6G 09F 13/04 A, 6F 21V 7/00 B, 6G 09F 13/14 B, 6F 21S 3/02 B |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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AKX | Designation fees paid |
Free format text: DE FR GB |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19990608 |