KR20080095701A - Light guide plate for lighting apparatus - Google Patents

Light guide plate for lighting apparatus Download PDF

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Publication number
KR20080095701A
KR20080095701A KR1020070040542A KR20070040542A KR20080095701A KR 20080095701 A KR20080095701 A KR 20080095701A KR 1020070040542 A KR1020070040542 A KR 1020070040542A KR 20070040542 A KR20070040542 A KR 20070040542A KR 20080095701 A KR20080095701 A KR 20080095701A
Authority
KR
South Korea
Prior art keywords
guide plate
light guide
light
lighting apparatus
hole
Prior art date
Application number
KR1020070040542A
Other languages
Korean (ko)
Inventor
박휴완
Original Assignee
박휴완
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박휴완 filed Critical 박휴완
Priority to KR1020070040542A priority Critical patent/KR20080095701A/en
Publication of KR20080095701A publication Critical patent/KR20080095701A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape

Abstract

A light guide plate for lighting apparatus is provided to project a radiated light through the light guide plate so that a fixed frame is installed on the light guide plate. A reflection groove is formed at the rear side to project an incident light to the front side. A penetration hole(212) is installed at the center of a light guide plate. A fixed frame(213) is installed to be contacted to the one side of the penetration hole or contacted to both side of the penetration hole. A light emission unit is installed to radiate a light to the light guide plate and a coupling groove is formed at the center to inner contact the fixed frame. A reflection plate(220) is arranged to be contacted to the rear side of the light guide plate.

Description

Light guide plate for lighting apparatus

1 is a cross-sectional view illustrating a light guide plate lighting apparatus according to the prior art.

2 is an exploded perspective view for explaining a light guide plate lighting apparatus according to a first embodiment of the present invention.

3 is a cross-sectional view for describing a light guide plate lighting apparatus according to a first embodiment of the present invention.

4 is a plan view illustrating a light guide plate lighting apparatus according to a second embodiment of the present invention.

5 is a plan view illustrating a light guide plate lighting apparatus according to a third embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

210: Light guide plate 211: light reflecting groove

212: through hole 213: fixed frame

220: reflector 221: coupling hole

231: substrate 232: light source

233: light source module 234: protective cover

The present invention relates to a light guide plate lighting apparatus for projecting the light emitted from the light source through the light guide plate to enable lighting and advertising functions, in particular, it is easy to be fixed to the wall or ceiling, such that the fixing frame can be installed on the light guide plate Of course, the present invention relates to a light guide plate lighting apparatus capable of installing a light emitting unit for injecting light into the light guide plate without harming its appearance.

In general, a lighting apparatus using a light guide plate is a light source such as a cold cathode lamp (CCFL), a light emitting diode (LED), etc. to project the light to the light guide plate made of a plate-shaped transparent plastic or acrylic resin, such as indoor lighting, interior, And as advertising panels.

For example, as shown in FIG. 1, in the light guide plate illumination device 100, a light source 131, such as CCFL or LED, fixed on the substrate 132 is installed on the light guide plate 110 side by a protective cover 133. The rear surface of the light guide plate 110 is formed with a plurality of light reflecting grooves 111 along a predetermined shape, and at the same time the reflecting plate 120 on the rear side of the light guide plate 110 on which the light reflecting grooves 111 are formed. ) Consists of a structure installed.

Therefore, when the light source 131 starts to emit light by the power supplied from the outside, the light emitted to the inside of the light guide plate 110 is reflected by the light reflecting groove 111 and is projected to the front surface of the light guide plate 110. It is possible to express shapes such as various patterns, characters, and figures, and use the projected light to function as indoor lighting, interiors, and advertising panels.

However, the light guide plate lighting apparatus 100 as described above does not have a separate fixing means for fixing to the wall or the ceiling, so that the installation is difficult, as well as combining the protective cover 133 and the fixing member installed on the wall. If it is to be installed, there is a problem that the appearance of the light guide plate lighting apparatus 100 becomes unnatural.

In addition, the power supply line for supplying power to the light source 131 from the outside is exposed to the outside of the light guide plate lighting device 100, there is a problem that the appearance is damaged.

Thus, in the present invention to solve the problems as described above, the light is projected through the light guide plate to enable the lighting and advertising functions, so that the fixed frame can be installed on the light guide plate fixed installation on the wall or ceiling, etc. An easy light guide plate lighting apparatus is provided.

In addition, it is to provide a light guide plate lighting apparatus that can be installed in the light emitting portion to inject light into the light guide plate without harming its appearance.

To this end, the light guide plate lighting apparatus according to the present invention is a plate-shaped light guide plate having a light reflection groove is formed on the rear side, the through-hole of a predetermined shape is formed in the center so that the incident light is reflected and projected to the front, and And a fixing frame installed in contact with one side of the through hole formed in the light guide plate or installed in contact with both sides, and a light emitting unit installed to emit light to the light guide plate.

In this case, a coupling hole in which the fixing frame may be inscribed in the center is formed, and it is preferable to further include a reflecting plate installed in contact with the rear surface of the light guide plate.

In addition, the light emitting unit is preferably provided along the side surface of the through hole.

In addition, an insertion groove is formed at a side surface of the through hole, and the light emitting part is preferably inserted into the insertion groove.

In addition, the fixed frame is preferably made of a comb teeth of the shield kite.

Hereinafter, a light guide plate lighting apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view for explaining a light guide plate lighting apparatus according to a first embodiment of the present invention, Figure 3 is a cross-sectional view for explaining a light guide plate lighting apparatus according to a first embodiment of the present invention.

First, as illustrated in FIGS. 2 and 3, the light guide plate lighting apparatus 200 according to the present invention has a light reflecting groove 211 formed at a rear side thereof and a light guide plate 210 formed at a through hole 212 at a center thereof. ), A fixed frame 213 installed in contact with one side of the through hole 212, a light emitting part including a light source 232, etc. to allow light to enter the light guide plate 210, and a rear side of the light guide plate 210. The reflector plate 220 coupled in parallel with the light guide plate 210 has a main configuration.

That is, when light emitted from the light source 232 is incident on the light guide plate 210, the incident light is reflected by the light reflection groove 211 formed at the rear of the light guide plate 210 and then through the front surface of the light guide plate 210. As it is projected, the lighting, interior, and advertising panel can be used, and at the same time, the free installation on the wall or ceiling using the fixing frame 213 installed in the through hole 212 of the light guide plate 210 is also possible. It is configured to be possible.

In more detail, the plate-shaped light guide plate 210 is made of a light-transmitting plastic or an acrylic resin, which is easy to process and has a high light transmittance, but emits light including a straight shape shown at an example on the rear side. Light reflection grooves 211 are formed along various shapes such as letters, symbols, or figures to be formed, and through holes 212 having a predetermined shape are formed in the center portion. In addition, a fastening hole (not shown) is formed at a rear surface of the light guide plate 210 so that the fixing frame 213 may be installed in contact with the through hole 212.

That is, as shown as an example to remind the shape of the shield kite, a circular through hole 212 similar to a shield hole of the shield kite is formed in the center of the rectangular light guide plate 210, and the circular through hole 212 is formed. If the fixing frame 213 fixed in shape similar to that of the shield kite is installed so as to be in contact with the support rod, the fixing frame 213 can be combined with the supporting rod installed on the wall or ceiling, so as not to damage the aesthetics. It is also possible to firmly fix the light guide plate lighting apparatus 200.

The fixing frame 213 is for fixing the light guide plate lighting device 200 to a wall or ceiling, and is installed in contact with one side of the through hole 212 formed in the light guide plate 210, and is installed on the wall or ceiling. Screw holes and the like are formed so that they can be coupled to the supporting rod and screwed together.

However, the fixing frame 213 may be installed on the rear surface of the light guide plate 210 to which the reflecting plate 220 is attached as described above, but may be installed on the front surface of the light guide plate 210 in a direction in which light is emitted. In addition, the light guide plate 210 may be installed on the front and rear, respectively.

The light emitting unit is configured to allow light to enter the light guide plate 210, and includes a light source such as a cold cathode lamp (CCFL) or a light emitting diode (LED) on a substrate 231 on which an electric circuit of a predetermined pattern is formed. 232 is provided to protect the light source module 233 and the light source module 233 from the external environment, as well as a protective cover for firmly fixing the light source module 233 to one side of the light guide plate 210. 234.

Therefore, the light incident from the light source 232 is reflected by the light reflecting groove 211 formed in the rear of the light guide plate 210 to be projected through the front of the light guide plate 210. However, the light source 232 constituting the light emitting unit may have various colors, brightness, illuminance, saturation, etc. according to a user's selection so that the light source 232 may function as lighting, interior, and advertisement panel with various feelings. Would be desirable.

Reflector 220 is to increase the lighting efficiency by allowing the light incident from the light source 232 to be projected only to the front of the light guide plate 210, made of a mirror, a reflective film or a metal plate with a high reflectance, etc. The reflecting plate 220 is installed in parallel to the rear surface of the light guide plate 210, and in this case, a coupling hole 221 having a predetermined shape is formed in the reflecting plate 220 so that the fixing frame 213 may be inscribed. In order to be installed in contact with the rear of the light guide plate (210).

Meanwhile, as shown in FIGS. 2 and 3, the light source module 233 including the substrate 231 and the light source 232 is terminated at both sides of the light guide plate 210 by a protective cover 234 made of plastic or metal. 4, the light source module 233 may be installed along the sidewall of the through hole 212 formed in the light guide plate 210, and may be firmly fixed using a protective cover, not shown. It may be.

According to this, as well as preventing the protective cover 234 from being exposed to the outer portion of the light guide plate 210, as well as the support rod and fixing frame installed on the wall or the ceiling to the power supply line for supplying power to the light source 232 ( As the installation may be concealed by 213, the power supply line may also be installed to be invisible from the outside, thereby preventing the appearance of the LGP lighting device 200 from deteriorating.

Further, as described above, the light source module 233 is installed along the side wall of the through hole 212, and as shown in FIG. 5, an insertion groove is formed in the side wall of the through hole 212 and the insertion groove is inserted into the insertion hole. By inserting and installing the light source module 233, it is possible to prevent the light source module 233 from protruding to the outside, and the same or similar to the light guide plate 210 in place of the protective cover 234 of the conventional frame type It is possible to finish using colored insulating tapes to prevent the appearance of deterioration as a whole.

The light guide plate lighting apparatus according to the present invention has been described above. Such a technical configuration of the present invention will be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the appended claims rather than the foregoing description, and the meanings of the claims and All changes or modifications derived from the scope and equivalent concepts thereof should be construed as being included in the scope of the present invention.

According to the light guide plate lighting apparatus of the present invention as described above, the light emitted through the light guide plate to enable the illumination and advertising functions, it is easy to be fixed to the wall, such as to install a fixed frame to the light guide plate.

In addition, it is possible to install a light emitting part for injecting light into the light guide plate without harming its appearance.

Claims (5)

A light guide plate having a plate shape having a light reflection groove formed at a rear side thereof and a through hole having a predetermined shape formed at a center thereof so that incident light can be reflected and projected to the front surface thereof; A fixed frame installed in contact with one side of the through hole formed in the light guide plate or installed in contact with both sides; And The light guide plate illumination device, characterized in that it comprises a light emitting unit installed to emit light on the light guide plate. The method of claim 1, The light guide plate lighting apparatus, characterized in that the coupling frame is formed in the center is in contact with the fixing frame is installed, the reflecting plate is installed in contact with the back of the light guide plate. The method of claim 2, The light guide plate lighting apparatus is characterized in that the light emitting portion is provided along the side of the through hole. The method of claim 3, wherein An insertion groove is formed on a side surface of the through hole, and the light guide plate lighting apparatus is characterized in that is inserted into the insertion groove. The method according to any one of claims 1 to 4, The fixing frame is a light guide plate lighting device, characterized in that consisting of a shield kite-shaped comb teeth.
KR1020070040542A 2007-04-25 2007-04-25 Light guide plate for lighting apparatus KR20080095701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070040542A KR20080095701A (en) 2007-04-25 2007-04-25 Light guide plate for lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070040542A KR20080095701A (en) 2007-04-25 2007-04-25 Light guide plate for lighting apparatus

Publications (1)

Publication Number Publication Date
KR20080095701A true KR20080095701A (en) 2008-10-29

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ID=40155307

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070040542A KR20080095701A (en) 2007-04-25 2007-04-25 Light guide plate for lighting apparatus

Country Status (1)

Country Link
KR (1) KR20080095701A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100916300B1 (en) * 2009-01-20 2009-09-10 주식회사 재현테크 Light guide sheet and mount method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100916300B1 (en) * 2009-01-20 2009-09-10 주식회사 재현테크 Light guide sheet and mount method thereof

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E902 Notification of reason for refusal
E601 Decision to refuse application