JPH0470540U - - Google Patents
Info
- Publication number
- JPH0470540U JPH0470540U JP1990113528U JP11352890U JPH0470540U JP H0470540 U JPH0470540 U JP H0470540U JP 1990113528 U JP1990113528 U JP 1990113528U JP 11352890 U JP11352890 U JP 11352890U JP H0470540 U JPH0470540 U JP H0470540U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- lens
- light
- light source
- disposed
- 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
- 239000003973 paint Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Control Of Resistance Heating (AREA)
Description
添付図面は本考案に係る灯具の一実施例を示し
、第1図は自動車の室内灯に使用した例の断面図
、第2図は点灯回路および加熱回路の電気回路図
、第3図はリレースイツチ駆動出力のブロツク図
、第4図は熱変色塗料塗布薄板の説明図、第5図
は熱変色塗料塗布薄板の変形例を示した説明図、
第6図は透明電熱体の説明図である。
1……ハウジング、2……レンズ、34……光
源バルブ、4……受光素子、5……熱変色塗料塗
布薄板(熱変色塗料層)、6……透明電熱体、7
……電気回路基板(開閉部)。
The attached drawings show an embodiment of the lighting device according to the present invention, and FIG. 1 is a sectional view of an example used for an interior light of an automobile, FIG. 2 is an electric circuit diagram of a lighting circuit and a heating circuit, and FIG. 3 is a relay. A block diagram of the switch drive output, Fig. 4 is an explanatory diagram of a thin plate coated with thermochromic paint, and Fig. 5 is an explanatory diagram showing a modification of the thin plate coated with thermochromic paint.
FIG. 6 is an explanatory diagram of the transparent electric heating element. DESCRIPTION OF SYMBOLS 1... Housing, 2... Lens, 34... Light source bulb, 4... Light receiving element, 5... Thin plate coated with thermochromic paint (thermochromic paint layer), 6... Transparent electric heating element, 7
...Electric circuit board (opening/closing part).
Claims (1)
に配設した光源バルブと、前記レンズに配設した
常温時では着色の光不透過性の状態となりかつ高
温時では光透過性の状態となる可逆性の熱変色塗
料層と、その熱変色塗料層を変色させる光透過性
の電熱体とを備えた灯具において、 前記熱変色塗料層の光透過度を検知する受光素
子と、その受光素子を介して所定の設定光透過度
域において前記電熱体の回路を開閉する開閉部と
を備えたことを特徴とする灯具。[Scope of Claim for Utility Model Registration] A light source bulb disposed within a lamp chamber defined by a housing and a lens, and a light source disposed in the lens that is colored and non-transparent at room temperature and light transmissive at high temperature. In a lamp equipped with a reversible thermochromic paint layer that is in a state of A lamp comprising: an opening/closing section that opens and closes a circuit of the electric heating body in a predetermined set light transmittance range through the light receiving element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990113528U JPH0470540U (en) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990113528U JPH0470540U (en) | 1990-10-31 | 1990-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0470540U true JPH0470540U (en) | 1992-06-23 |
Family
ID=31861125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990113528U Pending JPH0470540U (en) | 1990-10-31 | 1990-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0470540U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018530855A (en) * | 2015-07-23 | 2018-10-18 | ルミレッズ リミテッド ライアビリティ カンパニー | Appearance control of light emitting device in off state |
-
1990
- 1990-10-31 JP JP1990113528U patent/JPH0470540U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018530855A (en) * | 2015-07-23 | 2018-10-18 | ルミレッズ リミテッド ライアビリティ カンパニー | Appearance control of light emitting device in off state |
US10797206B2 (en) | 2015-07-23 | 2020-10-06 | Lumileds Llc | Controlling off-state appearance of a light emitting device |
US11486562B2 (en) | 2015-07-23 | 2022-11-01 | Lumileds Llc | Controlling off-state appearance of a light emitting device |
US11994285B2 (en) | 2015-07-23 | 2024-05-28 | Lumileds Llc | Controlling off-state appearance of a light emitting device |
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