PLANAR LIGHT-EMITTING ILLUMINATION DEVICE

• US 20130229802A1
• Filed: 06/10/2011
• Published: 09/05/2013
• Est. Priority Date: 12/01/2010
• Status: Abandoned Application

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Somei, Junichi, Fukushima, Koki, Fujino, Hiroaki
• Application Number:
  US13/884,637
• Publication Number:
  US 20130229802A1
• Time in Patent Office: Days
• US Class Current: 362/235
• CPC Class Codes: F21K 9/20 Light sources comprising attachment means
• CPC Class Codes: F21V 19/003 Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2113/00 Combination of light sources
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G02F 1/133603 with LEDs
• CPC Class Codes: G02F 1/133612 Electrical details
• CPC Class Codes: G02F 2203/68 Green display, e.g. recycling, reduction of harmful substances

Abstract

A planar light-emitting illumination device includes: a light-emitting unit (41) that includes: a mounting substrate (41b) on which a light-emitting semiconductor element (41a) is mounted; and an input terminal (61a) conductive to the light-emitting semiconductor element (41a); and a housing (45) that holds a plurality of the light-emitting units (41) and includes a plurality of output terminals (61b) through which power from an external power supply is supplied to the light-emitting units (41), where the light-emitting unit (41) and the housing (45) are removably fixed by a connection unit that connects the input terminal (61a) and the output terminal (61b).

Claims

1-8. -8. (canceled)

9. A planar light-emitting illumination device comprising:

a light-emitting unit that includes;

a light-emitting semiconductor element;

a mounting substrate on which the light-emitting semiconductor element is mounted; and

an input terminal conductive to the light-emitting semiconductor element; and

a housing that holds a plurality of the light-emitting units and includes a plurality of output terminals through which power from an external power supply is supplied to the light-emitting units,

wherein the light-emitting unit and the housing are removably fixed by a connection unit that connects the input terminal and the output terminal,

the connection unit includes an elastic member,

the housing includes a side wall that surrounds the light-emitting units and

the input terminal provided on a side surface of the mounting substrate and the output terminal provided in the side wall are connected to each other by utilization of an elastic force of the connection unit.

10. The planar light-emitting illumination device of claim 9,

wherein a plurality of the light-emitting semiconductor elements are arranged on the mounting substrate.

11. The planar light-emitting illumination device of claim 9,

wherein a drive circuit that feeds a control signal to the light-emitting semiconductor element is provided in the light-emitting unit.

12. The planar light-emitting illumination device of claim 9, further comprising:

a diffusion member that diffuses light from the light-emitting semiconductor element.

13. The planar light-emitting illumination device of claim 9, further comprising:

a light collection member that collects light from the light-emitting semiconductor element.

14. The planar light-emitting illumination device of claim 10,

wherein a drive circuit that feeds a control signal to the light-emitting semiconductor element is provided in the light-emitting unit.

15. The planar light-emitting illumination device of claim 10, further comprising:

a diffusion member that diffuses light from the light-emitting semiconductor element.

16. The planar light-emitting illumination device of claim 11, further comprising:

a diffusion member that diffuses light from the light-emitting semiconductor element.

17. The planar light-emitting illumination device of claim 10, further comprising:

a light collection member that collects light from the light-emitting semiconductor element.

18. The planar light-emitting illumination device of claim 11, further comprising:

a light collection member that collects light from the light-emitting semiconductor element.

19. The planar light-emitting illumination device of claim 12, further comprising:

a light collection member that collects light from the light-emitting semiconductor element.