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Light source module, surface area light-emitting unit, and surface area light-emitting device

A light source module and a surface-emitting technology, which is applied to semiconductor devices, light sources, electric light sources, etc. of light-emitting elements, can solve problems such as uneven brightness and uneven color of LED components, achieve suppression of uneven light emission and color, and simplify installation operation, and the effect of reducing manufacturing costs

Inactive Publication Date: 2009-07-22
KOHA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, although the brightness of an LED depends on the light-emitting characteristics of the single LED element, it is known that there are problems of uneven color and uneven brightness of the single LED element. LED components

Method used

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  • Light source module, surface area light-emitting unit, and surface area light-emitting device
  • Light source module, surface area light-emitting unit, and surface area light-emitting device
  • Light source module, surface area light-emitting unit, and surface area light-emitting device

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no. 1 approach

[0040] figure 1It is a perspective view showing the whole of the surface light-emitting device including the surface light-emitting module according to the first embodiment of the present invention. figure 2 It is an assembly perspective view showing the whole of the surface emitting module according to the first embodiment of the present invention. image 3 It is an exploded perspective view showing the whole of the surface emitting module according to the first embodiment of the present invention. Figure 4 It is a perspective view showing the connected state of the surface light-emitting module according to the first embodiment of the present invention. Figure 5 It is a perspective view which shows the state which disconnected the connection of the surface emission module which concerns on 1st Embodiment of this invention. Figure 6 It is a perspective view which shows the state which looked at the connection part of the surface light-emitting module which concerns on 1...

no. 2 Embodiment approach

[0092] Figure 14 It is an assembly perspective view showing the whole of the surface emitting module according to the second embodiment of the present invention. Figure 15 It is a cross-sectional view shown for explaining the light-emitting lamp of the surface light-emitting module according to the second embodiment of the present invention. Figure 15 (a) means Figure 14 A-A sectional view of, Figure 15 (b) means Figure 14 The B-B section view. Figure 16 It is a figure shown for explaining the light direction conversion part in the light emitting lamp of the surface light emitting module which concerns on the 2nd Embodiment of this invention. Figure 16 (a) represents a perspective view, Figure 16 (b) represents a top view, Figure 16 (c) shows a bottom view. Figure 17 It is a sectional view shown in order to explain the light direction conversion part in the light emitting lamp of the surface light emission module concerning 2nd Embodiment of this invention. ...

Embodiment approach 1

[0102] Figure 18 It is a sectional view shown in order to explain the light direction conversion part in the light emitting lamp of the surface light emission module which concerns on 3rd Embodiment of this invention. The optical element for changing the direction of light of the third embodiment has an inclined light reflecting surface provided between the upper light reflecting surface 29B and the side light emitting surface 29C in the optical element 29 for light direction changing of the first embodiment. 29D.

[0103] The light emitted from the LED 28 and the light incident from the second light incident surface 29c on the bottom surface of the optical element 29 for light direction conversion are reflected by the light reflecting surface 29B on the top and almost emitted from the light emitting surface 29C on the side, but pass through the light on the light emitting surface 29C. A light reflection surface 29D approximately in the shape of a part of a cone is provided ...

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Abstract

The invention provides a light source module, surface area light-emitting unit, and surface area light-emitting device that have versatility, where installation work is simplified and production costs are reduced, and where irregularity of light emission and color is sufficiently suppressed. The light source module has a light direction-converting optical element (29) and an LED (28). The light direction-converting optical element (29) has a recess (290) with a light incident surface (29A) into which light enters, a light reflecting surface (29B) for reflecting light entered from the light incident surface (29A), and a light emitting surface (29C) for emitting to a side the light reflected by the light reflecting surface (29B). The LED (28) is placed in a recess (290) of the light direction-converting optical element (29) with a gap provided in between them and applies light to the light incident surface (29A).

Description

technical field [0001] The present invention relates to a light source module, a surface emitting module, and a surface emitting device, and more particularly, to a light source module, a surface emitting module, and a surface emitting device using a light emitting diode (Light Emitting Diode: LED) as a light emitting part. Background technique [0002] As is well known, fluorescent lamps are generally used as light sources in surface light-emitting devices used for displaying images, signboards, etc., and for store lighting. However, since fluorescent lamps use harmful mercury, there is a problem that proper disposal of industrial waste is required. In addition, fluorescent lamps have a short lifespan and high running costs. [0003] In recent years, technology using LEDs has been proposed as a light-emitting lamp of a surface light-emitting device that solves such a problem. Since LEDs are manufactured based on semiconductor manufacturing technology, they have excellent ...

Claims

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Application Information

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IPC IPC(8): F21S2/00F21V7/10G09F13/04H01L33/00F21Y101/02H01L33/58H01L33/60
CPCH01L2924/0002H01L33/60G02B17/0872H01L33/58G02F2001/133612G02B19/0028G02F1/133603H01L25/0753G02B19/0071G02B19/0066F21V5/046F21Y2103/10F21Y2115/10G02F1/133612H01L2924/00
Inventor 吉川幸雄青木和夫河又正敏西川明宏山田朋宏中台太郎
Owner KOHA
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