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Illumination device

A technology for lighting devices and installation units, which is applied in the direction of lighting devices, fixed lighting devices, lighting auxiliary devices, etc., and can solve the problems of increasing the total thickness of lighting devices

Inactive Publication Date: 2013-03-13
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will result in an increase in the overall thickness of the lighting fixture

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0034] will now refer to Figure 1-5A lighting device according to one embodiment of the present invention is described. The lighting device 1 includes an installation unit 2 attached to a ceiling or a wall and provided with a housing, and a light source unit 3 detachably installed on the installation unit 2 . The mounting unit 2 has a rectangular shape when viewed from the light emitting surface side. The mounting unit 2 includes an engaged portion 21 and a held portion 22 provided on the mounting surface 2A on which the light source unit 3 is mounted. The engaged portion 21 is provided in a central area of ​​one side (one end) of the rectangular mounting unit 2 . The held portion 22 is provided in a central area of ​​the other side (the other end) of the rectangular mounting unit 2 opposite to the one side. The light source unit 3 has a rectangular shape when viewed from the light emitting surface side. The light source unit 3 includes a planar light emitting board 40 an...

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PUM

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Abstract

An illumination device (1) includes a mounting unit (2) and a light source unit (3) removably mounted to the mounting unit and provided with a flat light emitting panel (40). The mounting unit includes an engaged portion (21) provided in one end portion of a mounting surface (2A) to which the light source unit is mounted and a held portion (22) provided in the other end portion of the mounting surface opposing to one end portion. The light source unit includes a package (30) configured to cover the light emitting panel and an engaging portion (31) and a holding portion (32) arranged on the surface of the package facing the mounting unit. The engaging portion is arranged to engage with the engaged portion. The holding portion is arranged to engage with the held portion. The engaging portion and the holding portion has mutually-opposing slant surfaces. The slant surfaces are inclined toward a center of the light source unit.

Description

technical field [0001] The present invention relates to a lighting device in which a solid-state light-emitting element such as an organic EL element or the like is used as a light source. Background technique [0002] Organic EL elements can emit high-brightness light at low voltage and can produce different emission colors depending on the kind of organic compound. In addition, organic EL elements can easily form a flat light emitting panel. In recent years, attention has been paid to the use of organic EL elements as light sources of lighting devices. [0003] In a lighting device using an organic EL element as a light-emitting panel, the light-emitting panel needs to be replaced if the light-emitting panel reaches the end of its service life or if a user wishes to use a different size or kind of light-emitting panel. Therefore, it is desirable that a lighting device using an organic EL element as a light-emitting panel be configured such that the light-emitting panel c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/00F21V19/00
CPCF21V19/042F21S8/04F21V19/0015F21Y2105/008F21V21/03F21V15/01F21V19/04F21V17/18F21V21/02G09F13/04F21Y2105/00F21Y2115/15
Inventor 小寺隆介河地秀治
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD