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Lighting device

A technology for lighting devices and mounting substrates, which is applied to lighting devices, lighting device parts, lighting and heating equipment, etc., can solve problems such as easy decomposition of screws, and achieve the effect of easy manufacturing

Active Publication Date: 2014-06-04
HITACHI APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the finished product of this lighting device has the problem of being easily disassembled once the screws are removed.

Method used

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Examples

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Embodiment Construction

[0058] Next, embodiments of the present invention will be described in detail with reference to appropriate drawings. In addition, in each figure, the same code|symbol is attached|subjected to the common part, and overlapping description is abbreviate|omitted.

[0059] figure 1 A front view showing the lighting device 1 according to the embodiment of the present invention. The illuminating device 1 is provided with a spiral base 4 such as E11 or E17, which can be used as a substitute for an incandescent bulb. In addition, the type of the base 4 is not limited to the spiral type, and a two-pin type base such as GU5.3 and GZ4 can also be used. It is of course also possible to use the lighting device 1 not as a replacement for an incandescent bulb, but initially. The base 4 has a spiral shape and has a thread-shaped first electrode 4a, a hemispherical second electrode 4b, and a tapered insulating portion 4c that insulates the first electrode 4a and the second electrode 4b. Th...

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PUM

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Abstract

The invention provides a lighting device (1) which is easy to make and hard to dismount; the lighting device comprises a mounting substrate (8) provided with a lighting element (8d), a power circuit (7) providing regulated power for the mounting substrate, a radiator (2) contacting with the mounting substrate and used for discharging the heat generated by the mounting substrate to the outer side, a containing housing (3) containing the power circuit so as to isolate the power circuit from the radiator, a lens (11) close to the lighting element and allowing the light generated by the lighting element to pass, a hook portion (9) arranged on the lens (11), a bearing portion (6) arranged in the containing housing and embedded with the hook portion; the containing housing and the lens can clamp the mounting substrate through embedment of the hook portion and the bearing portion; the lighting device also comprises an arm portion (5), one end of the arm portion is supported in the containing housing, and the other end of the arm portion is configured, relative to the mounting substrate, on the one side of the lens, and the arm portion is provided with a bearing portion; partial of the arm portion is buried in a groove (2h) arranged on the radiator, and the arm portion is embedded in a cut portion (8a) arranged in the periphery of the mounting substrate.

Description

technical field [0001] The present invention relates to a lighting device equipped with a light emitting element. Background technique [0002] As lighting devices, lighting devices equipped with light-emitting elements such as LEDs (Light Emitting Diodes) and organic electroluminescent elements (organic EL) have been proposed from the viewpoint of longevity and energy saving. Further, replacement of conventional incandescent light bulbs to lighting devices equipped with light-emitting elements is progressing. [0003] For example, there is a lighting device in which a halogen bulb, which is a type of incandescent bulb, is provided with a concave reflector for spot lighting. As a substitute for such a halogen bulb, a lighting device having a radiator having an outer shape similar to the reflector has been proposed (for example, refer to Patent Document 1). The above-mentioned light-emitting element is weak against heat and deteriorates due to heat generated by its own ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21V17/10F21Y101/02
Inventor 神谷优山本凉平漆原笃彦西川昌利冈田隆吉幡正英船户优别井圭一村田诚治沟尾明
Owner HITACHI APPLIANCES INC