WO2014034227A1 - 車載用室内灯ユニット - Google Patents
車載用室内灯ユニット Download PDFInfo
- Publication number
- WO2014034227A1 WO2014034227A1 PCT/JP2013/066464 JP2013066464W WO2014034227A1 WO 2014034227 A1 WO2014034227 A1 WO 2014034227A1 JP 2013066464 W JP2013066464 W JP 2013066464W WO 2014034227 A1 WO2014034227 A1 WO 2014034227A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bulb
- heat
- heat shield
- base
- bus bar
- Prior art date
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the structure of the valve cassette itself is changed from a dedicated product to a general-purpose product without directly providing the heat-shielding plate for shielding the radiant heat radiated from the bulb mounted on the bulb cassette of the vehicle interior light.
- the heat shield plate that reduces the size and prevents the radiant heat from the bulb is integrated with the heat shield plate when the conductive bus bar is pressed, making it possible to significantly reduce the overall cost and heat shield plate.
- the present invention also relates to an in-vehicle indoor light unit that can be created at low cost.
- a conventional in-vehicle indoor light unit includes a base 50 that is a non-heat-resistant resin casing, a bus bar 10 that is mounted on the base 50 and formed of a metal member that is a conductive member, and the bus bar.
- 10 is composed of a heat-resistant resin valve cassette 30 mounted on the left and right sides, and an illuminating boat-shaped ball 40 having a horizontal mounting structure mounted on the valve cassette 30. It is a disassembled perspective view except the base 50 among the vehicle-mounted room light units which shows the prior art example of FIG.
- a bus bar 10 is stamped with a metal material that conducts electricity.
- Reference numeral 30 denotes a valve cassette formed of a heat resistant resin.
- a heat shield plate 20 having a heat shielding function is integrally formed with the same heat resistant resin in the valve cassette 30 formed of heat resistant resin.
- the heat-resistant resin valve cassettes 30 mounted on the left and right sides of the bus bar 10 are mounted on the left and right positions in the bus bar 10 with the heat shield plates 20 facing left and right.
- the left and right valve cassettes 30 mounted on the base 50 are used as bulb spheres 40 that are boat-shaped spheres that are mounted and used in a horizontal state. Radiant heat radiated as illumination light from the boat-shaped bulb 40 is shielded by a heat shield plate 20 made of a horizontally long heat-resistant resin.
- the conventional heat resistant resin valve cassette 30 uses a boat-shaped bulb 40 that is mounted horizontally and used, a large area and space must be secured in the lateral direction as a whole.
- the conventional valve cassette 30 itself must be molded from heat-resistant resin, and it is inevitable that the material cost is high and the molding time is long, and the valve cassette 30 itself has a large installation space in the lateral direction. Therefore, the installation area to be mounted on the conventional base 50 is increased, and since it is handled as a dedicated part, there is a problem that it lacks versatility.
- the valve cassette for mounting the valve ball in the base is made of a heat-resistant resin, and a heat shield wall interposed between the valve ball and the wall surface is connected to the valve cassette. It is possible to prevent thermal deformation of the wall surface that constitutes the space for storing the valve ball, thereby preventing the product value from deteriorating and preventing the influence on other parts.
- the heat shield wall can be formed on both sides of the bulb and the two wall surfaces can be prevented from thermal deformation. Furthermore, the heat shield wall can be formed integrally with the valve cassette, so This has an effect that the cost can be reduced as compared with the case of forming by bonding.
- the configuration of the above-mentioned conventional invention devised the point that the valve cassette for mounting the valve ball in the case is made of heat-resistant resin, and the point that the heat shield wall interposed between the valve ball and the wall surface is connected.
- the bulb can prevent thermal deformation of the wall of the case, and the heat shielding walls can be integrally formed on both sides of the bulb to reduce the cost.
- the cost of the material is still inevitable.
- the present invention does not change the use of heat-resistant resin as the material of the valve cassette, it employs a general-purpose compact valve cassette that does not have a heat shielding function, and is thermally deformed by radiant heat from the bulb. Is eliminated by a heat shield integrally formed at the time of punching of the bus bar formed of a conductive metal member. This heat shield prevents the radiant heat from the bulb and prevents thermal damage to the base due to thermal factors.
- An object of the present invention is to provide an in-vehicle indoor light unit for the purpose of protection and cost reduction.
- the in-vehicle indoor lighting device is integrally formed with a casing-shaped base formed of a non-heat-resistant thermoplastic resin and a heat shield plate mounted on the base and standing in the vicinity of a general-purpose bulb.
- a general-purpose bulb that is electrically connected and a lens mounted on the front surface of the base are provided.
- the heat shield plate connected to the bus bar is provided upright with respect to the bus bar in the vicinity of the bulbs installed on the left and right in the base. It is characterized by.
- the general-purpose vertical valve cassette includes a valve ball insertion portion and a valve ball holder that is electrically connected to the bus bar.
- the structure is not provided with a heat shield that shields radiant heat from the bulb.
- the in-vehicle interior lighting device employs a heat-resistant resin as a material for the valve cassette, but the heat shield is not integrally molded, so that less resin material is used and the resin molding time is shortened. As a result, the cost can be reduced.
- the conventional valve cassette is formed in a horizontally long shape for loading a boat-shaped bulb, and it also has a heat shield for shielding the radiant heat from the bulb. It is necessary to secure a wide installation space because it is molded in a large and horizontally long shape, the material cost itself is high, and the processing time is long. Since a compact valve cassette for loading the wedge sphere is adopted, the cost of the valve cassette itself can be reduced and the installation area of the valve cassette can be reduced.
- the thermal deformation of the base due to the radiant heat from the bulb can be eliminated by the heat shield plate formed integrally with the bus bar formed by the conductive metal member. That is, a conventional bus bar is obtained by punching a belt-shaped conductive metal hoop material with a press die, but punching is performed as a heat shield plate without using the waste material at the time of conventional punching as a waste material. Therefore, the hoop material used is the same as in the past, and the waste material part is effectively used as a heat shield. As a result, the cost of the hoop material is not increased, and the stamping press processing of the bus bar and heat shield plate, which are pressed parts, is also integrated with the bus bar. Therefore, the processing time is the same as before and there is no cost increase.
- the heat shield plate is stamped integrally with the bus bar, so that the assembly process does not increase as compared with the conventional case.
- the heat shield plate punched integrally with the bus bar prevents radiant heat from the bulb and protects the base from damage due to thermal factors.
- FIG. 3 is a perspective view showing an embodiment of the present invention before a bus bar is inserted. It is a perspective view after one embodiment of the present invention is inserted and a bus bar is inserted.
- FIG. 3 is an external view of a product in which assembly is completed with the lens body removed, showing an embodiment of the present invention.
- FIG. 2 is an external view of a product in which assembly is completed in a state where a lens body is mounted according to an embodiment of the present invention. It is a perspective view which shows the relationship between the bus bar and valve cassette of a prior art example.
- FIG. 1 is an exploded perspective view showing an embodiment of the present invention.
- 1 indicates a bus bar.
- the bus bar 1 is obtained by continuous punching with a press die using a strip-shaped conductive metal hoop material.
- the heat shield plate 2 is integrally punched to be connected to the bus bar 1.
- the portion corresponding to the metal hoop material corresponding to the heat shield plate 2 has been disposed of as waste material. In this example, this waste material portion is effectively used.
- the heat shield plate 2 in this example is formed in the vicinity of a general-purpose valve ball 4 mounted on a general-purpose valve cassette 3.
- the metal heat shield plate 2 shields radiant heat from the general-purpose bulb 4 and avoids thermal damage to the base 5 formed of a thermoplastic resin.
- the number of heat shield plates 2 can be set according to the number of general-purpose valve balls 4.
- the bus bar 1 is a power distribution component that is cut from a conductive band-shaped metal hoop material into a thin band shape by a press die and is continuously formed by pressing.
- the general-purpose valve ball 4 is loaded in the vertical direction, unlike the conventional boat-shaped ball valve ball 40 which is installed in the horizontal direction.
- the general-purpose valve cassette 3 has a socket function for loading the general-purpose valve ball 4 in the vertical direction, and a heat shield plate 20 made of a horizontally long heat-resistant resin can be provided around the general-purpose valve cassette 3 as in the past. Since there is no space as a whole, it is a simplified molded product made of heat-resistant resin.
- FIG. 2 is an exploded perspective view showing an embodiment of the present invention.
- the in-vehicle interior light unit is attached to the roof lining of the vehicle and illuminates the rear seat, driver's seat, front passenger seat, etc., and is turned on / off by the on / off operation of the switch button 6.
- the base 5 is formed of a thermoplastic resin in a substantially rectangular container shape or casing shape, and three spaces are formed with the partition plates 5a and 5a interposed therebetween (see FIG. 3).
- the general-purpose valve balls 4 are assembled to the base 5 in a state where the general-purpose valve balls 4 are respectively loaded in the general-purpose valve cassettes 3 to which the valve ball holders 3a are mounted in the left and right space portions excluding the central space portion of the base 5.
- the heat shield plate 2 is installed in a state where it is electrically connected to the bus bar 1 via the ball holder 3a. Between the left and right partition plates 5a and 5a of the base 5 and the general-purpose valve balls 4 and 4 installed in the left and right space portions, the heat shield plate 2 is installed at a position closer to the partition plates 5a and 5a side. . The heat shield plate 2 is installed simultaneously with the heat shield plate 2 connected to the bus bar 1 when the bus bar 1 is mounted in the base 5. A lens body 7 covers the left and right space portions of the base 5.
- FIG. 3 is a perspective view showing an embodiment of the present invention before the bus bar is inserted.
- FIG. 4 shows an embodiment of the present invention and is a perspective view after the bus bar is inserted.
- FIG. 3 shows a case where the heat shield plate 2 is not installed between the general-purpose valve ball 4 and the partition plate 5a formed of the same resin material on the base 5.
- FIG. 4 shows a state in which the heat shield plate 2 is installed between the general-purpose valve ball 4 and the partition plate 5a formed of the same resin material on the base 5.
- FIG. 5 shows an embodiment of the present invention, and is an external view of a product that has been assembled with the lens body 7 removed.
- FIG. 6 shows an embodiment of the present invention and is an external view of a product that has been assembled with the lens body mounted.
- the heat shield plate 2 is provided close to the partition plate 5a. Moreover, the heat received by the heat shield plate 2 is efficiently dissipated to the outside through the large surface area of the bus bar 1 formed of a metal material having good thermal conductivity.
- the light of the general-purpose bulb 4 is diffused substantially uniformly on the surface, and the light beam is irradiated in a desired direction in the vehicle.
- the present invention is an in-vehicle interior light unit
- the bulb cassette does not have a structure that blocks the radiant heat of the bulb, and there is no extra portion in shape, so there are few raw materials and the molding time can be shortened. It can be diverted and contributes to the expansion of the quantity used, and the cost can be reduced as the molding operation rate improves.
- the amount of hoop material used for processing a bus bar as a heat shield plate does not change because the portion that has been conventionally used as a waste material is not changed, the processing time for processing a pressed part does not change, and the cost is not increased.
- the heat shield is obtained by molding with the bus bar, so there is an advantage that the number of processes is not increased, and profits are returned to in-vehicle component manufacturers and consumers.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
Description
図1は本発明の一実施例を示す分解斜視図である。
1はバスバーを示す。バスバー1は帯状の導電性の金属製フープ材を使用してプレス金型により連続打ち抜き加工により得られるが、この打ち抜き加工時にバスバー1と連接して遮熱板2が一体的に打ち抜き形成される。従来は、この遮熱板2相当の部位の金属製フープ材相当部位は廃材として処分されていたのを本例ではこの廃材部分を有効活用したものである。また、本例における遮熱板2は汎用のバルブカセット3に装着した汎用のバルブ球4の近傍に形成される。この金属製の遮熱板2により汎用のバルブ球4からの輻射熱が遮蔽されて熱可塑性樹脂で形成されたベース5への熱的損傷が回避される。本例では左右対向するように所定間隔をおいて2枚の矩形状の遮熱板2を設置した場合を示す。遮熱板2の設置数は汎用バルブ球4の個数に応じて設けることができる。なお、バスバー1は導電性の帯状金属のフープ材からプレス金型で細い帯状に裁断され、プレス加工により連続的に成形される配電部品である。
車載用室内灯ユニットは車両のルーフ内張りに取り付けられ、後部座席や運転席或いは助手席等を照明する装置で、スイッチボタン6のオン・オフ操作によって点灯、消灯が行なわれる。
ベース5は全体が略矩形状の容器型ないし筐体形状に熱可塑性樹脂で成形されており、仕切り板5a、5aを挟んで三つの空間部が形成される(図3参照)。ベース5の中央部の空間部を除いた左右の空間部にそれぞれ汎用バルブ球4が、バルブ球ホルダー3aが装着された汎用のバルブカセット3にそれぞれ装填された状態でベース5に組み付けられ、バルブ球ホルダー3aを介してバスバー1に電気的に接続された状態で設置される。ベース5の左右の仕切り板5a、5aと、左右の空間部に設置したそれぞれの汎用バルブ球4,4との間のうち仕切り板5a、5a側により近い位置に遮熱板2が設置される。遮熱板2の設置はベース5内にバスバー1を装着した時にバスバー1に連接している遮熱板2も同時に設置される。7はベース5の左右の空間部を覆うレンズ体である。
図3では汎用バルブ球4と、ベース5に同じ樹脂材で成形した仕切り板5aとの間に遮熱板2が設置されていない場合を示す。図4は汎用バルブ球4と、ベース5に同じ樹脂材で成形した仕切り板5aとの間に遮熱板2が設置された状態を示す。遮熱板2が設置されることにより汎用バルブ球4からの輻射熱が遮熱板2で遮断され、仕切り板5a、5aが熱的損傷から保護される。
図5において、遮熱板2は仕切り板5aに近接して設けられている。また、遮熱板2で受けた熱は熱伝導性の良好な金属材で形成されているバスバー1の広い表面積を介して効率良く外部に放散される。レンズ体7では汎用バルブ球4の光が表面で略均一に拡散されて車内の所望する方向に光束が照射される。
2 遮熱板
3 汎用のバルブカセット
3a バルブ球ホルダー
4 汎用バルブ球
5 ベース
6 スイッチボタン
7 レンズ体
Claims (3)
- 非耐熱性の熱可塑性樹脂で形成した筐体形状のベースと、該ベースに搭載され汎用のバルブ球の近傍位置に起立する遮熱板を一体成形したバスバーと、該バスバーに電気的に接続するバルブ球ホルダーと、該バルブ球ホルダーを備えたソケット機能を有する汎用の縦型バルブカセットと、該バルブカセットに縦方向に装着され、前記バルブ球ホルダーに電気的に接続する汎用のバルブ球と、前記ベースの前面に装着されるレンズとを備えたことを特徴とする車載用室内照明装置。
- ベース内の左右に設置されたバルブ球の近傍にそれぞれバスバーと連接した遮熱板が該バスパーに対し起立状に設けられていることを特徴とする請求項1記載の車載用室内照明装置。
- 汎用の縦型バルブカセットはバルブ球の挿し込み部と、バスバーに電気的接続するバルブ球ホルダーを備え、バルブ球からの輻射熱を遮蔽する遮熱板を備えていない構造であることを特徴とする請求項1又は請求項2記載の車載用室内照明装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2851337A CA2851337C (en) | 2012-08-29 | 2013-06-14 | In-vehicle interior light unit |
US14/371,983 US9458980B2 (en) | 2012-08-29 | 2013-06-14 | In-vehicle interior light unit |
IN2503CHN2014 IN2014CN02503A (ja) | 2012-08-29 | 2013-06-14 | |
CN201380003354.5A CN103946065B (zh) | 2012-08-29 | 2013-06-14 | 车载用室内灯单元 |
EP13832068.4A EP2749453B1 (en) | 2012-08-29 | 2013-06-14 | In-vehicle interior light unit |
MX2014011410A MX351757B (es) | 2012-08-29 | 2013-06-14 | Unidad de iluminación en el interior de un vehículo. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-188257 | 2012-08-29 | ||
JP2012188257A JP5680036B2 (ja) | 2012-08-29 | 2012-08-29 | 車載用室内灯ユニット |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014034227A1 true WO2014034227A1 (ja) | 2014-03-06 |
Family
ID=50183051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/066464 WO2014034227A1 (ja) | 2012-08-29 | 2013-06-14 | 車載用室内灯ユニット |
Country Status (8)
Country | Link |
---|---|
US (1) | US9458980B2 (ja) |
EP (1) | EP2749453B1 (ja) |
JP (1) | JP5680036B2 (ja) |
CN (1) | CN103946065B (ja) |
CA (1) | CA2851337C (ja) |
IN (1) | IN2014CN02503A (ja) |
MX (1) | MX351757B (ja) |
WO (1) | WO2014034227A1 (ja) |
Citations (5)
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JPS55156388U (ja) * | 1979-04-26 | 1980-11-11 | ||
JPH0247716U (ja) * | 1988-09-28 | 1990-04-03 | ||
JP2007030767A (ja) | 2005-07-28 | 2007-02-08 | T An T:Kk | 車両用室内灯の防熱構造 |
JP2009173163A (ja) * | 2008-01-24 | 2009-08-06 | Yazaki Corp | 車載用室内照明装置のバルブソケット構造 |
JP2012129006A (ja) * | 2010-12-14 | 2012-07-05 | Yazaki Corp | ランプ用バルブの保持構造 |
Family Cites Families (10)
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JPS53125680U (ja) | 1977-03-14 | 1978-10-05 | ||
JPS5844552Y2 (ja) * | 1980-12-23 | 1983-10-08 | 市光工業株式会社 | 自動車用灯具 |
JP3062913B2 (ja) * | 1994-05-30 | 2000-07-12 | 株式会社小糸製作所 | バニティミラー用ランプボデイ及びその製造方法 |
US5510968A (en) * | 1995-08-28 | 1996-04-23 | Chrysler Corporation | Back light assembly |
JP3280885B2 (ja) * | 1997-05-20 | 2002-05-13 | 株式会社小糸製作所 | 車両用灯具 |
US6124886A (en) * | 1997-08-25 | 2000-09-26 | Donnelly Corporation | Modular rearview mirror assembly |
JP4223920B2 (ja) * | 2003-10-22 | 2009-02-12 | 矢崎総業株式会社 | 室内照明灯 |
JP4395104B2 (ja) * | 2004-11-08 | 2010-01-06 | アルプス電気株式会社 | 照明装置 |
JP4738929B2 (ja) * | 2005-07-28 | 2011-08-03 | 株式会社テーアンテー | 車両用室内灯のバスバー間絶縁構造 |
JP4508172B2 (ja) * | 2006-08-24 | 2010-07-21 | 市光工業株式会社 | 車両用ルームランプ |
-
2012
- 2012-08-29 JP JP2012188257A patent/JP5680036B2/ja active Active
-
2013
- 2013-06-14 IN IN2503CHN2014 patent/IN2014CN02503A/en unknown
- 2013-06-14 WO PCT/JP2013/066464 patent/WO2014034227A1/ja active Application Filing
- 2013-06-14 MX MX2014011410A patent/MX351757B/es active IP Right Grant
- 2013-06-14 US US14/371,983 patent/US9458980B2/en active Active
- 2013-06-14 CN CN201380003354.5A patent/CN103946065B/zh active Active
- 2013-06-14 CA CA2851337A patent/CA2851337C/en active Active
- 2013-06-14 EP EP13832068.4A patent/EP2749453B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156388U (ja) * | 1979-04-26 | 1980-11-11 | ||
JPH0247716U (ja) * | 1988-09-28 | 1990-04-03 | ||
JP2007030767A (ja) | 2005-07-28 | 2007-02-08 | T An T:Kk | 車両用室内灯の防熱構造 |
JP2009173163A (ja) * | 2008-01-24 | 2009-08-06 | Yazaki Corp | 車載用室内照明装置のバルブソケット構造 |
JP2012129006A (ja) * | 2010-12-14 | 2012-07-05 | Yazaki Corp | ランプ用バルブの保持構造 |
Also Published As
Publication number | Publication date |
---|---|
MX2014011410A (es) | 2014-11-25 |
CA2851337C (en) | 2018-06-05 |
JP5680036B2 (ja) | 2015-03-04 |
EP2749453B1 (en) | 2020-11-18 |
IN2014CN02503A (ja) | 2015-06-26 |
US20140376250A1 (en) | 2014-12-25 |
EP2749453A4 (en) | 2016-11-30 |
EP2749453A1 (en) | 2014-07-02 |
CA2851337A1 (en) | 2014-03-06 |
MX351757B (es) | 2017-10-27 |
CN103946065B (zh) | 2016-12-14 |
US9458980B2 (en) | 2016-10-04 |
CN103946065A (zh) | 2014-07-23 |
JP2014043226A (ja) | 2014-03-13 |
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