TWM513962U - Lighting device - Google Patents

Description

Lighting device

The present invention relates to a lighting device, and more particularly to a lighting device having a mirror function.

In recent years, with the increase in output and efficiency of light-emitting diodes (LEDs), lighting fixtures using LEDs as light sources have been developed for use indoors or outdoors, and have a long life expectancy. The lighting fixture is configured to mount a plurality of LEDs on a substrate to obtain a predetermined brightness.

However, in this lighting fixture, the light emitted from the LED has strong directivity and is liable to generate glare.

An object of the present invention is to provide a lighting device comprising: a first transparent substrate having opposite first and second surfaces; and a second transparent substrate opposite to the second surface of the first transparent substrate, wherein The second transparent substrate has opposite third and fourth surfaces; a total reflection layer is formed on a mirror surface of the second surface of the first transparent substrate, and exposes the transparent region of the second surface, and The total reflection layer is located between the first transparent substrate and the second transparent substrate; a light reflecting structure is formed on at least a portion of the fourth surface of the second transparent substrate, and at least part of the light reflecting structure is Light transmission to the second surface And a light source disposed on one side of the first transparent substrate or the second transparent substrate.

Another object of the present invention is to provide a lighting device including: a first transparent substrate having opposite first and second surfaces; and a total reflection layer formed on a second surface of the first transparent substrate a light-transmitting region of the second surface is exposed on the mirror surface; a light-reflecting structure is formed on the light-transmitting region of the second surface of the first transparent substrate; and a light source is disposed on one side of the first transparent substrate .

In an embodiment of the present invention, the outer casing may be made of a highly thermally conductive metal material to improve the heat dissipation efficiency of the lighting device.

In an embodiment of the present invention, the second transparent substrate of the illumination device may be fully transparent or translucent.

In an embodiment of the present invention, the first transparent substrate and/or the second transparent substrate of the illumination device may be rectangular, circular, elliptical, rectangular, triangular or irregular.

In an embodiment of the present invention, the material of the first transparent substrate and/or the second transparent substrate of the illumination device is, for example, glass, germanium-containing material, photo-curable resin, polymethyl methacrylate (PMMA) or polycarbonate. Ester (PC).

In an embodiment of the present invention, the material of the first transparent substrate may be tempered glass to enhance the strength and durability of the substrate.

In an embodiment of the present invention, a light diffusing material using a transparent or white pigment may be mixed in the second transparent substrate material.

In an embodiment of the present invention, the exposed light emitting surface of the outer casing may be any shape, such as rectangular, circular, elliptical, rectangular, triangular or irregular.

In an embodiment of the present invention, the side entrance surface of the second transparent substrate is formed on At least one side of the transparent substrate corresponding to the position of the light source for allowing light emitted by the light source to enter the transparent substrate, the side entrance light surface may have a V-shaped structure (V-Cut), an S-shaped wave structure or a rough surface Processing to improve the incidence of light and the efficiency of light coupling.

In one embodiment of the present invention, the light reflecting structure can be a reflective dot or microstructure.

In an embodiment of the present invention, the light reflecting structure may be arranged on the reflecting surface of the transparent substrate, and the light reflecting structure may be arranged continuously or discontinuously on all or part of the reflecting surface.

In an embodiment of the present invention, the cross-sectional shape of the light reflecting structure may be triangular, rectangular, trapezoidal or semi-circular.

In one embodiment of the present invention, the light reflecting structure may be in the form of a plurality of columns, cones, pyramids or hemispheres.

In one embodiment of the present invention, the light reflecting structure may have at least one width-depth ratio, and the light reflecting structure has a width of about 500 micrometers (um) to 1500 um and a depth of about 50 um to 150 um.

In an embodiment of the present invention, the width to depth ratio of each of the light reflecting structures of the illumination device may be equal to greater than 10.

In an embodiment of the present invention, each of the light reflecting structures of the illumination device may have a width to depth ratio of about 10 to 30.

In an embodiment of the present invention, each light reflecting structure of the illumination device may have a width to depth ratio of about 13-27.

In an embodiment of the present invention, the mirror surface area and/or the light transmission area of the second surface may have a predetermined pattern shape, and the preset pattern shape may be a preset graphic pattern or a text image. Case, art pattern or other pattern. Therefore, the mirror area may have a mirror effect of a predetermined pattern shape, or the light transmissive area may have a preset light pattern.

In one embodiment of the present invention, a light transmissive region may be formed around the mirrored region to reduce the effect on the mirror effect.

In one embodiment of the present invention, the total reflection layer may include a protective layer to cover and protect the reflectivity material of the total reflection layer. Wherein the protective layer is a third surface facing the second transparent substrate and exposing the transparent region of the second surface.

In one embodiment of the present invention, the light source of the illumination device may be a Cold Cathode Fluorescent Lamp (CCFL), a Hot Cathode Fluorescent Lamp (HCFL), or a Light Emitting Diode (Light). -Emitting Diode,LED),Organic Light Emitting Diode (OLED), Flat Fluorescent Lamp (FFL), Electro-Luminescence (EL), Light Bar (Light) Bar), electrodeless lamp, laser diode (LD) or any combination of the above.

In an embodiment of the present invention, the light reflecting structure may be formed on the light transmissive area of the second surface of the first transparent substrate, and the light source may be located on at least one side of the first transparent substrate for emitting light to the first transparent substrate. Inside. Therefore, in this embodiment, when illumination is provided, the light emitted by the light source can enter the first transparent substrate and be transmitted inside the first transparent substrate. The total reflection transmission of the light can be destroyed by the light reflecting structure on the light transmitting region, so that the light inside the first transparent substrate is reflected outside the first surface to emit outside the illumination device.

In an embodiment of the present invention, the outer casing may expose at least a portion of the fourth surface of the second transparent substrate, and the light reflecting structure may be simultaneously formed on the partial region and the fourth surface of the third surface of the second transparent substrate. Part of the area.

In an embodiment of the present invention, the light reflecting structure on the third surface is opposite to the light reflecting structure located on the mirror surface, and the light reflecting structure on the fourth surface is located in the light transmitting region. The light source may be located on at least one side of the second transparent substrate for emitting light into the second transparent substrate. Therefore, when the light source emits light, light rays inside the second transparent substrate, part of the light may pass through the first transparent substrate through reflection of the light reflecting structure on the fourth surface, and another portion of the light may pass through the third surface The reflection of the light reflecting structure is emitted out of the fourth surface, thereby achieving the effect of double-sided light output.

In an embodiment of the present invention, the arrangement or arrangement of the light reflecting structures on the third surface may have another predetermined pattern shape, and the other preset pattern shapes may be preset graphic patterns, text patterns, and artistic patterns. Or other patterns. Therefore, a predetermined illuminating pattern can be formed on the fourth surface.

As described above, the illumination device of the present invention can simultaneously have a mirror and a light-emitting function for simultaneously serving as a mirror and a lighting fixture.

100‧‧‧Lighting device

110‧‧‧ outer casing

111‧‧‧ openings

112‧‧ ‧ room

120‧‧‧First transparent substrate

121‧‧‧ first surface

122‧‧‧ second surface

122a‧‧‧Mirror area

122b‧‧‧Lighting area

130‧‧‧Second transparent substrate

131‧‧‧ third surface

132‧‧‧ fourth surface

133‧‧‧Side into the glossy

140‧‧‧ total reflection layer

141‧‧‧Protective layer

150‧‧‧Light reflection structure

160‧‧‧Light source

250‧‧‧Light reflecting structure

310‧‧‧Outer casing

350‧‧‧Light reflection structure

1 shows a schematic diagram of a lighting device in accordance with an embodiment of the present invention; FIGS. 2A and 2B show schematic views of a mirrored region and a light transmissive region in accordance with an embodiment of the present invention; and FIG. 3 shows an embodiment in accordance with the present teachings. A schematic diagram of a lighting device; and FIG. 4 shows a schematic view of a lighting device in accordance with an embodiment of the present invention.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be described in detail below. Furthermore, the directional terms mentioned in this creation, such as top, bottom, top, bottom, front, back, left, right, inside, outside, side, surrounding, center, level, horizontal, vertical, vertical, axial, Radial, uppermost or lowermost, etc., only refer to the direction of the additional schema. Therefore, the directional terminology used is used to describe and understand the creation, and is not intended to limit the creation.

The drawings and the description are to be regarded as illustrative rather than restrictive. In the figures, structurally similar elements are denoted by the same reference numerals. In addition, the size and thickness of each element shown in the drawings are arbitrarily shown for the sake of understanding and convenience of description, but the present creation is not limited thereto.

In the figures, the thickness of layers, films, panels, regions, etc. are exaggerated for clarity. In the drawings, the thickness of layers and regions are exaggerated for the purposes of illustration and description. It will be understood that when an element such as a layer, a film, a region or a substrate is referred to as "on" another element, the element may be directly on the other element or the intermediate element may be present.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present writing will be described more fully hereinafter with reference to the accompanying drawings in which FIG. However, the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and the scope of the present invention will be fully conveyed by those skilled in the art. Like numbers refer to like elements throughout.

Although the terms first, second, etc. may be used herein to describe various elements, it will be understood that these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and a second element could be termed a first element, without departing from the scope of the present invention. As used herein, the term " and/or " includes any and all combinations of one or more of the associated listed items.

Appreciated that, when component (e.g., layer, region or substrate) referred to as being "on" another component or extending "to" another component, another component which may be on or extend directly to the other There may also be intervening components on the component. In contrast, when an element is referred to as being " directly on " another component or " directly extending " to another component, there is no intervening component. It will also be understood that when an element is referred to as " connected " or " coupled " to another element, it can be directly connected or coupled to the other element, or an intervening component can be present. In contrast, when an element is referred to as being " directly connected " or " directly connected " to another element, there is no intervening element.

The terms used herein are for the purpose of describing particular embodiments only and are not intended to be limiting. The singular forms " a " , "the " and " the" It will also be understood that the terms "comprising", "comprising", "having", and/or "having" are used in the context of the specification of the features, the whole, the steps, the operations, the components, and/or The existence or addition of one or more other features, integers, steps, operations, elements, components, and/or combinations thereof are not excluded.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. It will be further understood that the terms used herein are to be interpreted as having a meaning that is consistent with the meaning of the context of the specification and the related art, and should not be construed in an idealized or overly formalized meaning unless specifically This is limited.

Comparative quantitative terms (eg, " less " and " larger " ) are intended to cover the same concept unless explicitly stated otherwise. For example, "less" can mean not only "less" in the strict mathematical sense, but also means "less than or equal to."

Please refer to FIG. 1. FIG. 1 shows an illustration of a lighting device according to an embodiment of the present invention. intention. The illuminating device of the present invention can simultaneously have a mirror surface and a illuminating function for simultaneously serving as a mirror and a lighting fixture.

The lighting device of the present invention can be installed indoors or outdoors, for indoor or outdoor lighting. More specifically, the illuminating device of the present invention can be placed or mounted on a support surface of a building, such as an indoor ceiling (such as a ceiling panel), a floor, a wall or a glass substrate, or an exterior wall or glass curtain of an outdoor building. .

As shown in FIG. 1 , the illumination device 100 of the present embodiment may include an outer casing 110 , a first transparent substrate 120 , a second transparent substrate 130 , a total reflection layer 140 , a light reflecting structure 150 , and at least one light source 160 . The first transparent substrate 120, the second transparent substrate 130, and the light source 160 are mounted in the outer casing 110. The total reflection layer 140 is formed between the first transparent substrate 120 and the second transparent substrate 130 for forming a mirror effect. The light reflecting structure 150 is a light for reflecting the light source 160 on a surface of the second transparent substrate 130. The light source 160 may be located on at least one side of the first transparent substrate 120 or the second transparent substrate 130 for emitting light into the first transparent substrate 120 or the second transparent substrate 130.

As shown in Figure 1, the outer casing 110 of the illumination device can be made of an opaque material, such as a metallic material, a plasticized material, or a combination of the foregoing. The outer casing 110 may be made of a highly thermally conductive metal material to improve the heat dissipation efficiency of the lighting device. The outer casing 110 has an opening 111 and at least one chamber 112. The opening 111 is facing indoors or outdoors for exposing the first surface 121 of the first transparent substrate 120. The chamber 112 is located at least on one side of the opening 111 and is connected to The opening 111 is configured to accommodate the light source 160.

As shown in FIG. 1 , the second transparent substrate 130 of the illumination device 100 of the embodiment may be completely transparent or translucent, and the first transparent substrate 120 and the second transparent substrate 130 may be formed into a flat shape. The first transparent substrate 120 and/or the second transparent substrate 130 may be any shape of a flat plate, such as a rectangle, a circle, an ellipse, a rectangle, a triangle, or an irregular shape. The material of the first transparent substrate 120 and/or the second transparent substrate 130 is, for example, glass, a ruthenium-containing material, a photocurable resin, polymethyl methacrylate (PMMA) or polycarbonate (PC). When the illumination device 100 is applied to outdoor illumination, the first transparent substrate 120 may be tempered glass to enhance its substrate strength and durability. A light diffusing material using a transparent or white pigment may be mixed in the material of the second transparent substrate 130. The first transparent substrate 120 may have an opposite first surface 121 and a second surface 122. The second transparent substrate 130 may have an opposite third surface 131 and a fourth surface 132. The second surface 122 of the first transparent substrate 120 is opposite. The third surface 131 of the second transparent substrate 130. The first surface 121 is located on the front side of the illumination device 100 for facing the user. The first surface 121 exposed by the outer casing 110 may be any shape, such as a rectangle, a circle, an ellipse, a rectangle, a triangle, or an irregular shape.

As shown in FIG. 1 , the second transparent substrate 130 further has a side light incident surface 133 formed on at least one side of the second transparent substrate 130 , which corresponds to the position of the light source 160 for allowing light from the light source 160 to enter. Inside the second transparent substrate 130. In an embodiment, the side entrance light surface 133 may have, for example, a V-shaped structure (V-Cut), an S-shaped wave structure, or a surface roughening treatment (not shown), thereby improving the incidence efficiency and optical coupling efficiency of the light. In this embodiment, the side incident surface 133 can be a plane that is substantially perpendicular to the third surface 131 or the fourth surface 132.

Please refer to FIG. 1 and FIG. 2. FIG. 2 is a schematic diagram showing a mirror surface area and a light transmission area according to an embodiment of the present invention. The total reflection layer 140 of the present embodiment is located between the first transparent substrate 120 and the second transparent substrate 130 for reflecting an image to form a mirror effect. The total reflection layer 140 is formed on the mirror surface area 122a of the second surface 122 of the first transparent substrate 120, and exposes the light transmission area 122b of the second surface 122. The light transmissive area 122b of the second surface 122 allows light to be allowed Through, therefore, through the light-transmitting region 122b, light can be emitted through the first transparent substrate 120 to achieve a luminous effect. The mirror surface area 122a and/or the light transmission area 122b of the second surface 122 may be any shape. In an embodiment, the mirrored area 122a and/or the light transmissive area 122b may have a predetermined pattern shape, which may be a preset graphic pattern, a text pattern, an art pattern, or other patterns. Therefore, the mirror area 122a may have a mirror effect of a predetermined pattern shape, or the light transmissive area 122b may have a preset light pattern.

As shown in FIG. 2, the light transmissive region 122b can be located anywhere on the second surface 122. In an embodiment, the light transmissive region 122b can be formed around the mirrored region 122a to reduce the effect on the mirror effect.

The total reflection layer 140 is formed by coating a high reflectivity material such as silver, aluminum, gold, chromium, copper, indium, bismuth, nickel, platinum, rhodium, iridium, tin, antimony, tungsten, Manganese, and any of the above alloys. The total reflection layer 140 may include a protective layer 141 for covering and protecting the reflectivity material of the total reflection layer 140. The protective layer 141 is a third surface 131 facing the second transparent substrate 130 and exposes the transparent region 122b of the second surface 122.

As shown in FIG. 1, the light reflecting structure 150 may be formed on all or at least a portion of the fourth surface 132 of the second transparent substrate 130, and at least a portion of the light reflecting structure 150 is transparent to the second surface 122. The light region 122b is configured to reflect the light inside the second transparent substrate 130, and the light can be emitted outside the illumination device 100 through the light-transmitting region 122b of the second surface 122.

As shown in FIG. 2, the light reflecting structure 150 can be a reflective dot or microstructure. In an embodiment, the light reflecting structure 150 may be a plurality of microstructures arranged on the fourth surface 132 of the second transparent substrate 130, and the light reflecting structures 150 may be continuously or discontinuously arranged on all of the fourth surface 132. Or on a partial area. The cross-sectional shape of the light reflecting structure 150 may be triangular, rectangular, trapezoidal or semi-circular. Alternatively, the light reflecting structure 150 can be in the form of a plurality of columns, cones, pyramids or hemispheres. Also, the bottom surface of the light reflecting structure 150 may be polygonal, circular, irregular, or any shape. The light reflecting structure 150 may have at least one width-depth ratio (W/D). It should be noted that the aspect ratio of the light reflecting structure 150 is a ratio (W/D) indicating the width to the depth of the light reflecting structure 150. This width is the width of the recessed opening formed by the light reflecting structure 150 on the second surface 122, and the depth is the depth of the recess formed by the light reflecting structure 150 on the second surface 122. In this embodiment, the light reflecting structure 150 has a width of about 500 micrometers (um) to 1500 um and a depth of about 50 um to 150 um.

In an embodiment, the brightness distribution of the illumination device 100 can be adjusted by the aspect ratio (W/D) of the light reflecting structure 150. In fact, the aspect ratio of each of the light reflecting structures 150 may be slightly different, and the aspect ratio of each of the light reflecting structures 150 of the illumination device 100 of the present embodiment may be in a proper aspect ratio range. For example, equal to greater than 10, such that the brightness distribution of the light emitted by the illumination device 100 meets the desired illumination requirements. In an embodiment, the light reflection structure 150 may have a width to depth ratio of about 10 to 30 to adjust the brightness distribution of the illumination device 100. In an embodiment, the light reflection structure 150 may have a width to depth ratio of about 13 to 27 to adjust the brightness distribution of the illumination device 100.

As shown in FIG. 1, the light source 160 of the illumination device is disposed in the chamber 112 of the outer casing 110 and faces the side light incident surface 133 of the second transparent substrate 130 for emitting light to pass through the side entrance surface 133. The light source 160 can be, for example, a Cold Cathode Fluorescent Lamp (CCFL), a Hot Cathode Fluorescent Lamp (HCFL), a Light-Emitting Diode (LED), and an Organic Light Emitting Diode. Organic Light Emitting Diode (OLED), Flat Fluorescent Lamp (FFL), Electrical Excitation Electro-Luminescence (EL), Light Bar, Induction Lamp, Laser Diode (LD) or any combination of the above.

In an embodiment, the light source 160 can be an LED light bar comprising an LED component (not shown) and a substrate (not shown), the LED component being a surface mount LED package. The LED package is arranged in a plurality of lines in a straight line along the longitudinal direction of the substrate. The LED package is substantially made of an LED chip disposed in a cavity formed of ceramic or synthetic resin, and a translucent resin for molding a resin such as an epoxy resin or a silicone resin that seals the LED wafer. And constitute. The LED wafer can be an LED chip that emits blue light. A phosphor is mixed into the light-transmitting resin, and a yellow phosphor that emits yellow light having a complementary color relationship with blue light is used in order to emit white light.

As shown in FIG. 1 , the illumination device 100 may further include an adapter (not shown) and a lighting device (not shown), and the lighting device may include a circuit substrate and a circuit component mounted on the substrate in a box-shaped outer casing. The lighting device can be connected to a commercial AC power source via an adapter and receive the AC power source to generate a DC output. Therefore, the lighting device can be electrically connected to the light source 160, and the direct current output is supplied to the light source 160 to perform lighting control of the light source 160. This lighting device can be located and mounted externally or internally to the outer casing 110 (e.g., within the chamber 112).

As shown in FIG. 1, when the illumination device 100 provides illumination, the light emitted by the light source 160 can enter the second transparent substrate 130 through the side entrance surface 133 and be transmitted inside the second transparent substrate 130. The light reflection structure 150 on the fourth surface 132 can destroy the total reflection transmission of the light, so that the light inside the second transparent substrate 130 is reflected outside the third surface 131 and passes through the first transparent substrate 120 to emit the illumination device. Outside of 100. Therefore, when the user uses the mirror surface (mirror area 122a) of the illumination device 100, the light source 160 can be simultaneously turned on to emit light to utilize the light emitted by the light-transmitting region 122b as an auxiliary illumination while having the functions of mirror and illumination.

Please refer to FIG. 3, which shows a schematic diagram of a lighting device in accordance with an embodiment of the present invention. In an embodiment, the second transparent substrate 130 may also be omitted in the illumination device 100. In this embodiment, the light reflecting structure 250 may be formed on the light transmissive area 122b of the second surface 122 of the first transparent substrate 120. The light source 160 may be located on at least one side of the first transparent substrate 120 for emitting light to the first Inside a transparent substrate 120. Therefore, in this embodiment, when illumination is provided, light emitted by the light source 160 can enter the first transparent substrate 120 and be transmitted inside the first transparent substrate 120. The light-reflecting structure 250 on the light-transmitting region 122b can destroy the total reflection transmission of the light such that the light inside the first transparent substrate 120 is reflected outside the first surface 121 to emit outside the illumination device 100. Therefore, when the user uses the mirror surface (mirror area 122a) of the illumination device 100, the light source 160 can be simultaneously turned on to emit light to utilize the light emitted by the light-transmitting region 122b as an auxiliary illumination while having the functions of mirror and illumination.

Please refer to FIG. 4, which shows a schematic diagram of a lighting device in accordance with an embodiment of the present invention. In an embodiment, the outer casing 310 may expose at least a portion of the fourth surface 132 of the second transparent substrate 130, and the light reflecting structure 350 may be simultaneously formed on a portion of the third surface 131 of the second transparent substrate 130 and On a partial area of the four surfaces 132. For example, the light reflecting structure 350 on the third surface 131 is opposite to the light reflecting structure 350 located on the mirror surface area 122a, and the fourth surface 132 is located opposite to the light transmitting area 122b. The light source 160 may be located on at least one side of the second transparent substrate 130 for emitting light into the second transparent substrate 130. Therefore, when the light source 160 emits light, part of the light may pass through the first transparent substrate 120 through the reflection of the light reflecting structure 350 on the fourth surface 132, and the other part of the light may be passed through the light inside the second transparent substrate 130. The reflection through the light reflecting structure 350 on the third surface 131 is emitted through the fourth surface 132, thereby achieving the effect of double-sided light output.

In an embodiment, the arrangement or arrangement of the light reflecting structures 350 on the third surface 131 The set may have another preset pattern shape, which may be a preset graphic pattern, a text pattern, an art pattern or other patterns. Therefore, a predetermined illuminating pattern can be formed on the fourth surface 132.

It can be seen from the above that the lighting device of the present invention can simultaneously have the functions of mirror and illumination.

Various aspects of these illustrative embodiments are described herein by those of ordinary skill in the art in the context of the teachings of those skilled in the art. However, it will be appreciated by those skilled in the art that embodiments of the present teachings can be implemented with only certain described aspects. For the purposes of illustration, specific quantities, materials, and configurations are presented to provide a complete understanding of the physical examples of the present invention. However, it will be understood by those skilled in the art that the embodiments of the present invention can be implemented without specific details. In other instances, well-known features are omitted or simplified to avoid obscuring the exemplary embodiments.

Terms such as "in some embodiments" and "in various embodiments" are used repeatedly. The term generally does not refer to the same embodiment; however, it may also refer to the same embodiment. Terms such as "including", "having" and "including" are synonymous, unless the context is intended to mean otherwise.

Although the present invention has been disclosed in its preferred embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the patent application.

100‧‧‧Lighting device

110‧‧‧ outer casing

111‧‧‧ openings

112‧‧ ‧ room

120‧‧‧First transparent substrate

121‧‧‧ first surface

122‧‧‧ second surface

130‧‧‧Second transparent substrate

131‧‧‧ third surface

132‧‧‧ fourth surface

133‧‧‧Side into the glossy

140‧‧‧ total reflection layer

141‧‧‧Protective layer

150‧‧‧Light reflection structure

160‧‧‧Light source

Claims (10)

An illumination device comprising: a first transparent substrate having opposite first and second surfaces; and a second transparent substrate opposite to the second surface of the first transparent substrate, wherein the second transparent substrate has opposite And a total surface of the first transparent substrate Between the first transparent substrate and the second transparent substrate; a light reflecting structure is formed on at least a portion of the fourth surface of the second transparent substrate, and at least a portion of the light reflecting structure is located opposite the second a light transmissive area of the surface; and a light source disposed on one side of the first transparent substrate or the second transparent substrate. The illumination device of claim 1, wherein the light transmissive region is formed around the mirror region. The illumination device of claim 1, wherein the total reflection layer comprises a protective layer to cover and protect the reflectivity material of the total reflection layer. The illuminating device of claim 1, further comprising an outer casing, the first transparent substrate, the second transparent substrate and the light source being mounted in the outer casing, the outer casing exposing the second transparent At least a portion of the fourth surface of the substrate, and the light reflecting structure is formed on a partial region of the third surface of the second transparent substrate and a partial region of the fourth surface. The illuminating device of claim 4, wherein the light reflecting structure on the third surface is located in the mirror region, and the light reflecting structure on the fourth surface is opposite to the light transmitting region. The light source is located on at least one side of the second transparent substrate. The illumination device of claim 1, wherein the mirror region and/or the light transmissive region have a predetermined pattern shape such that the mirror region has a mirror surface of the predetermined pattern shape. The illuminating device of claim 1, wherein the light reflecting structure is a reflective dot or a plurality of microstructures. The illuminating device of claim 7, wherein the microstructures are in the form of a plurality of columns, a plurality of cones, a plurality of pyramids or a plurality of hemispheres. The illuminating device of claim 7, wherein each of the microstructures has a width to depth ratio equal to or greater than 10. An illumination device comprising: a first transparent substrate having opposite first and second surfaces; a total reflection layer formed on a mirror surface of the second surface of the first transparent substrate, and exposing the a light transmissive region of the second surface; a light reflecting structure formed on the light transmissive region of the second surface of the first transparent substrate; and a light source disposed on one side of the first transparent substrate.