Light-emitting housing

• US 10,641,440 B2
• Filed: 03/27/2019
• Issued: 05/05/2020
• Est. Priority Date: 05/24/2018
• Status: Active Grant

• Current Assignee: Pegatron Corporation
• Original Assignee: Pegatron Corporation
• Inventors: Chien, Hung-Wen, Lin, Yu-Te, Lin, Yi-Lung, Wang, Chih-Yung
• Primary Examiner(s): Neils, Peggy A
• Application Number:
  US16/365,988
• Publication Number:
  US 20190360645A1
• Time in Patent Office: 405 Days
• CPC Class Codes: F21K 9/61 using light guides
• CPC Class Codes: F21K 9/65 specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
• CPC Class Codes: G09F 13/18 Edge-illuminated signs
• CPC Class Codes: G09F 2013/185 Embossed marks
• CPC Class Codes: G09F 2013/1881 Frame-like
• CPC Class Codes: G09F 2013/222 with LEDs
• CPC Class Codes: H02K 5/02 Casings or enclosures characterised by the material thereof

Abstract

A light-emitting housing is disclosed. The light-emitting housing includes a light-emitting module and a housing. The light-emitting module includes a light guide plate and at least one light-emitting unit. The light guide plate includes an upper surface, a lower surface, and a plurality of dot regions, the dot regions are located on the lower surface, and the at least one light-emitting unit provides a plurality of light beams incident to the light guide plate. The housing is disposed above the light-emitting module and located on the upper surface of the light guide plate, and the housing includes at least one transparent region. Some of the light beams emitted by the at least one light-emitting unit are reflected through the dot regions and penetrate the upper surface of the light guide plate and the at least one transparent region. In this way, from the outside of the housing, the light beams penetrating the at least one transparent region can be observed, and a visual effect that a specific position on the housing emits light is generated.

Claims

1. A light-emitting housing, comprising:

a light-emitting module, comprising a light guide plate and at least one light-emitting unit, wherein the light guide plate comprises an upper surface, a lower surface, and a plurality of dot regions, the dot regions are located on the lower surface, and the at least one light-emitting unit provides a plurality of light beams incident to the light guide plate; and

a housing, disposed above the light-emitting module and located on the upper surface of the light guide plate, and the housing comprises at least one transparent region, wherein some of the light beams emitted by the at least one light-emitting unit are reflected through the dot regions and penetrate the upper surface of the light guide plate and the at least one transparent region, and a UV coating is sprayed on an outer surface of the housing, covers the at least one transparent region and makes the position of the transparent region is not easily perceived by naked eyes from the outside of the housing when the light-emitting unit is not enabled.

2. The light-emitting housing according to claim 1, further comprising:

a bottom plate, disposed below the light-emitting module; and

a thin film, attached, in an electrostatic adsorption manner, to the upper surface, opposite to which the dot regions are provided, of the light guide plate, wherein

after penetrating the light guide plate and being reflected to the bottom plate through the thin film, the some of the light beams emitted by the at least one light-emitting unit are reflected by the bottom plate and penetrate the light guide plate and the at least one transparent region again.

3. The light-emitting housing according to claim 2, wherein the thin film is a non-fully transparent thin film.

4. The light-emitting housing according to claim 2, wherein the thin film is a semi-transparent thin film.

5. The light-emitting housing according to claim 3, wherein the thin film is a semi-transparent thin film.

6. The light-emitting housing according to claim 2, wherein the thin film is a polyethylene (PE) thin film.

7. The light-emitting housing according to claim 2, wherein the thin film completely covers the upper surface of the light guide plate.

8. The light-emitting housing according to claim 2, further comprising another thin film, attached above the thin film in an electrostatic adsorption manner.

9. The light-emitting housing according to claim 1, wherein the UV coating is sprayed for a plurality of times in an overlapping manner till the at least one transparent region is completely shielded.

10. The light-emitting housing according to claim 1, wherein the at least one transparent region of the housing comprises an inner surface and an outer surface, the inner surface and the outer surface are provided opposite to each other, the inner surface is a concave surface and faces toward the light-emitting module, and an uneven surface is formed on the outer surface.

11. The light-emitting housing according to claim 10, wherein the uneven surface comprises a texture structure.

12. The light-emitting housing according to claim 1, wherein the at least one transparent region of the housing comprises an inner surface and an outer surface, the inner surface and the outer surface are provided opposite to each other, the inner surface is a concave surface and faces toward the light-emitting module, and a smooth surface is formed on the outer surface.

13. The light-emitting housing according to claim 10, wherein the concave surface is formed on the inner surface by laser engraving.

14. The light-emitting housing according to claim 12, wherein the concave surface is formed on the inner surface by laser engraving.