KR20190056485A - Picture frame with an illuminator - Google Patents

Abstract

The present invention relates to a lighting picture frame configured to increase visibility of a picture and an art painting in a picture frame. According to an embodiment of the present invention, the lighting picture frame comprises: a display film; a light source unit providing light to the display film; a light guide plate wherein light of the light source unit is incident upon one surface to be emitted to the other surface; a support member fixing the display film, the light source unit, and the light guide plate; and a frame storing the display film, the light source unit, and the light guide plate, and including an opening to expose at least a portion of the display film. The frame includes a first groove storing the display film and a second groove storing the light source unit and the light guide plate.

Description

{PICTURE FRAME WITH AN ILLUMINATOR}

The present invention relates to a lighting frame.

In general, a picture frame is installed and used mainly on a wall or a desk of a home or an office, and is used to put a picture or a picture in a planar manner and to store and display it.

The frame is formed by combining a frame frame having an internal accommodation space so that a photograph or a painting is arranged in a plane, a cover glass provided on the front of a photograph or a picture in the frame frame, and a finishing plate provided on the back.

If a separate lighting device is not provided in such a picture frame, the visibility of a picture or a picture arranged in the picture frame may be reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a light source unit inside a frame to improve the visibility of a photograph or a painting to be placed on the frame.

According to an embodiment of the present invention, there is provided a display device comprising: a display film; A light guide plate which receives light from the light source part and emits the light to the other surface; A supporting member for fixing the display film, the light source portion, and the light guide plate; And a frame including an opening for receiving the display film, the light source, and the light guide plate and exposing at least a part of the display film, wherein the frame includes a first groove for accommodating the display film, a light source unit, .

The frame can be made of wood.

And an optical sheet disposed between the display film and the light guide plate.

And a reflective sheet between the support member and the light guide plate.

The support member may have a size equal to or less than a frame on a plane.

A scattering pattern may be formed on at least one surface of the light guide plate.

The light guide plate has a light incidence surface, which is one surface facing the light source, and the scattering pattern can extend along a first direction perpendicular to the light incidence surface.

The scattering pattern may extend along a second direction parallel to the light incidence surface.

The light source portion includes a light source and a light source substrate, and a scattering pattern extending along a second direction parallel to the light incidence surface may face the light source.

The light guide plate has a light incidence surface that is a surface facing the light source portion, and the scattering pattern may extend along a second direction parallel to the light incidence surface.

The illuminated picture frame according to the present invention includes a light source inside the picture frame to improve the visibility of the pictures and pictures arranged in the picture frame.

1 is an exploded perspective view of a lighting frame according to an embodiment of the present invention.
2 is a cross-sectional view taken along line II 'of FIG.
3 is a cross-sectional view of a frame according to an embodiment of the present invention.
4A to 4D are plan views of a light guide plate according to one embodiment, another embodiment, and another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious to those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood, however, that the scope of the present invention is not limited to the specific embodiments described above, and all changes, equivalents, or alternatives included in the spirit and technical scope of the present invention are included in the scope of the present invention.

In this specification, when a part is connected to another part, it includes not only a direct connection but also a case where the part is electrically connected with another part in between. In addition, when a part includes an element, it does not exclude other elements unless specifically stated otherwise, but may include other elements.

The terms first, second, third, etc. in this specification may be used to describe various components, but such components are not limited by these terms. The terms are used for the purpose of distinguishing one element from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second or third component, and similarly, the second or third component may be alternately named.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

Hereinafter, a lighting frame according to an embodiment of the present invention will be described in detail with reference to Figs. 1 to 4D.

FIG. 1 is an exploded perspective view of a lighting frame according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line I-I 'of FIG. FIG. 3 is a cross-sectional view of a frame according to an embodiment of the present invention, and FIG. 4 is a plan view of a light guide plate according to an embodiment of the present invention.

1 and 2, a lighting frame according to an exemplary embodiment of the present invention includes a frame 110, a display film 120, an optical sheet 130, a light source 140, a light guide plate 150, 160 and a support member 170.

1 to 3, the frame 110 has an opening 112 for exposing at least a part of the display film 120 to the outside, and covers the front edge and the side surface of the display film 120 cover. Further, the frame 110 has a first surface 111, a first step 113, and a second step 114.

The first surface 111 may be made of a metal material having a rigidity such as stainless steel or a material having a good heat dissipation characteristic such as aluminum or an aluminum alloy. On the other hand, the first surface 111 may be made of wood or may be attached with a separate sheet to improve the appearance of the lighting frame.

The display film 120 is accommodated in the first step 113 and the light source 140, the light guide plate 150 and the reflective sheet 160 are accommodated in the second step 114. [ Although the optical sheet 130 is shown housed in the second step 114 in the figure, the optical sheet 130 may be housed in the first step 113. Accordingly, the light source unit 140 overlaps the second step 114 on a plane.

The frame 110 may be made of a rigid metal such as stainless steel or a material having good heat dissipation properties such as aluminum or aluminum alloy. On the other hand, the frame 110 may be made of wood to improve the beauty of the illumination frame.

The display film 120 may be constructed by attaching a transparent acrylic film or a sheet printed on the back surface of the glass film. Alternatively, the display film 120 may have a structure printed directly on the rear surface of the transparent acrylic film.

The optical sheet 130 is disposed on an upper portion of the light guide plate 150 to diffuse and condense light transmitted from the light guide plate 150. The optical sheet 130 may include a diffusion sheet, a prism sheet, a protective sheet, and the like.

The diffusion sheet can disperse the light incident from the light guide plate 150 to prevent the light from being partially concentrated.

The prism sheet may have a triangular columnar prism on one surface and may have a predetermined arrangement. The prism sheet may be disposed on the diffusion sheet to condense light diffused from the diffusion sheet in a direction perpendicular to the display film 120 .

The protective sheet can be formed on the prism sheet, protecting the surface of the prism sheet, and diffusing the light, thereby making the distribution of light uniform.

The light source unit 140 includes a light source substrate 142 on which a light source 141 and a light source 141 are disposed. The light source 141 may be disposed on the edge or one side of the light guide plate 150. That is, the light source 141 can emit light to the edge or one side of the light guide plate 150. The light source 141 may include at least one LED chip (not shown) and a package (not shown) for receiving the LED chip. For example, the LED chip (not shown) may be a gallium nitride (GaN) -based LED chip emitting blue light.

The number of the light sources 141 may have various values in consideration of the size of the display film 120, luminance uniformity, and the like. The light source substrate 142 may be a printed circuit board (PCB) or a metal printed circuit board (metal PCB).

The light source 140 may be formed on one side, both sides, or all four sides of the light guide plate 150 in consideration of the size of the display film 120, brightness uniformity, and the like. That is, the light source 140 may be formed on at least one of the corner portions of the light guide plate 150. In this specification, the light source unit 140 is assumed to be disposed on one side of the light guide plate 150. FIG.

Although not shown in FIG. 1, a wavelength conversion unit (not shown) may be disposed between the light source unit 140 and the light guide plate 150. The wavelength converter (not shown) may include a material for changing the wavelength of light. For example, the wavelength converter may convert the wavelength of the blue light emitted from the blue LED light source into white light.

Also, although not shown in the drawing, a heat dissipating member may be disposed on the rear surface of the light source unit 140. The heat dissipating member may be made of a metal material having good rigidity and heat radiation characteristics. For example, the heat dissipating member may include at least one member selected from the group consisting of stainless steel, aluminum, an aluminum alloy, magnesium, a magnesium alloy, copper, a copper alloy, and an electrogalvanized steel sheet. The heat dissipation member can perform a heat dissipation function to radiate heat generated in the light source unit 140 and the wavelength conversion unit (not shown) to the outside.

Although the light guide plate 150 has been described as a plate or plate for convenience of explanation, it may be formed in the form of a sheet or a film for slimming down the display device. That is, the light guide plate 150 may include both a plate and a film for guiding light.

One surface of the light guide plate 150 facing the display film 120 is referred to as an upper surface 150a and the other surface facing the upper surface 150a is referred to as a lower surface 150b. One surface of the light guide plate 150 is referred to as a light incidence surface 150c and the other surface opposite to the light incidence surface 150c is referred to as a light incidence surface 150d.

For convenience of explanation, a direction perpendicular to the light incidence surface 150c is referred to as a first direction D1, and a direction parallel to the light incidence surface 150c is referred to as a second direction D2. The thickness direction of the light guide plate 150 is referred to as a third direction D3.

The light guide plate 150 may be made of a light-transmitting material such as acrylic resin such as PMMA (PolyMethylMethacrylate) or polycarbonate (PC) to efficiently guide light.

4A to 4D, a pattern may be formed on at least one of the surfaces of the light guide plate 150. FIG. That is, scattering patterns 151a, 151b, 151c, 151d, 151e, and 151f may be formed so that light guided on the bottom surface may be emitted upward.

4A, scattering patterns 151a extending along the first direction D1 may be formed on the upper surface 150a or the lower surface 150b of the light guide plate 150 along the second direction D2 have.

4B, a scattering pattern 151b extending along the second direction D2 may be formed on the upper surface 150a or the lower surface 150b of the light guide plate 150 along the first direction D1. have.

Referring to FIG. 4C, scattering patterns 151c and 151d extending in the first direction D1 or the second direction D2 are formed on the upper surface 150a or the lower surface 150b of the light guide plate 150 in the first direction D1) or the second direction (D2). In detail, the scattering pattern 151c extending along the first direction D1 may be formed to intersect with the scattering pattern 151d extending along the second direction D2.

4D, scattering patterns 151e and 151f extending in the first direction D1 or the second direction D2 are formed on the upper surface 150a or the lower surface 150b of the light guide plate 150, And may be arranged along the direction D1 or the second direction D2. Specifically, a plurality of scattering patterns 151e extending along the first direction D1 are formed at positions not corresponding to the light source 141, and a plurality of scattering patterns 151b extending along the first direction D1 A plurality of scattering patterns 151f extending in the second direction corresponding to the light sources 141 may be formed between the light sources 151e.

However, the scattering patterns 151a, 151b, 151c, 151d, 151e, and 151f formed on the light guide plate 150 are not limited thereto and may be a shape for scattering light emitted from the light source unit 140. [

The reflective sheet 160 is disposed between the light guide plate 150 and the support member 170 to be described later so as to reflect light emitted to the lower portion of the light guide plate 150 toward the display film 120 to improve light efficiency .

The reflective sheet 160 may be made of, for example, polyethylene terephthalate (PET) and have a reflective property, and one surface thereof may be coated with a diffusion layer containing, for example, titanium dioxide. In addition, the reflective sheet 160 may be formed of a material including a metal such as silver (Ag).

The support member 170 is disposed on the reflective sheet 160. Specifically, in order to fix the display film 120, the optical sheet 130, the light source unit 140, the light guide plate 150, and the reflection sheet 160 accommodated in the frame 110, The sheet 160, and the frame 110, as shown in Fig.

Although the support member 170 is illustrated as being smaller than the frame 110 in plan view, the support member 170 has the same dimensions as the frame 110 on a plane, ).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You can understand that you can. It is therefore to be understood that the embodiments described above are illustrative in all aspects and not restrictive.

110: frame 120: display film
130: optical sheet 140:
141: light source 142: light source substrate
150: light guide plate 160: reflective sheet
170: Support member

Claims (10)

Display film;
A light source section for providing light to the display film;
A light guide plate for receiving the light from the light source part in one surface and emitting the light in the other surface;
A support member for fixing the display film, the light source unit, and the light guide plate;
And a frame for receiving the display film, the light source portion, and the light guide plate and including an opening portion for exposing at least a part of the display film,
Wherein the frame includes a first groove for receiving the display film, and a second groove for accommodating the light source unit and the light guide plate. The method according to claim 1,
The frame is made of wood. The method according to claim 1,
And an optical sheet disposed between the display film and the light guide plate. The method according to claim 1,
And a reflective sheet between the support member and the light guide plate. The method according to claim 1,
Wherein the support member has a size equal to or smaller than the frame in plan view. The illuminated picture frame according to claim 1, wherein a scattering pattern is formed on at least one surface of the light guide plate. The method according to claim 6,
The light guide plate has a light incidence surface, which is one surface facing the light source unit,
Wherein the scattering pattern extends along a first direction perpendicular to the light incidence surface. 8. The method of claim 7,
Wherein the scattering pattern extends along a second direction parallel to the light incidence surface. 9. The method of claim 8,
The light source unit includes a light source and a light source substrate,
And a scattering pattern extending along a second direction parallel to the light incidence surface is opposed to the light source. The method according to claim 6,
The light guide plate has a light incidence surface, which is one surface facing the light source unit,
Wherein the scattering pattern extends along a second direction parallel to the light incidence surface.

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