KR100812992B1 - Road guiding sign - Google Patents

Road guiding sign Download PDF

Info

Publication number
KR100812992B1
KR100812992B1 KR1020070121189A KR20070121189A KR100812992B1 KR 100812992 B1 KR100812992 B1 KR 100812992B1 KR 1020070121189 A KR1020070121189 A KR 1020070121189A KR 20070121189 A KR20070121189 A KR 20070121189A KR 100812992 B1 KR100812992 B1 KR 100812992B1
Authority
KR
South Korea
Prior art keywords
light
coupling
cover
traffic
connector
Prior art date
Application number
KR1020070121189A
Other languages
Korean (ko)
Inventor
김민식
김유겸
박호진
Original Assignee
엔 하이테크 주식회사
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 엔 하이테크 주식회사 filed Critical 엔 하이테크 주식회사
Priority to KR1020070121189A priority Critical patent/KR100812992B1/en
Application granted granted Critical
Publication of KR100812992B1 publication Critical patent/KR100812992B1/en

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

Abstract

A traffic guide signing lamp is provided to reduce maintenance cost by charging the traffic guide signing lamp using solar heat without an additional power supplied from the outside. A coupling member is mounted in a front cover(10). An illuminating unit(30) including plural LEDs(Light Emitting Diode) is formed at a groove in the coupling member. A display unit(40) having guidance messages is mounted in the front cover. A light guide plate(50) guides the light from the LEDs to the display unit. A mesh typed supporting member(60) coupled with a coupling groove of the coupling member supports the light guide plate. A rear cover(70) including a connector for supplying a source voltage is coupled with the coupling member. A power supplier(80) connected to the connector supplies the source voltage.

Description

Traffic light indicator {ROAD GUIDING SIGN}

The present invention relates to a traffic light indicator that is installed near a road section, intersection, and traffic light to guide a road to a driver. More specifically, the LED can emit bright light even at low power by using LEDs. By storing the power required by the battery and then supplying power to the LED as needed, the present invention relates to a traffic light indicator that can emit light on its own and can be used semi-permanently without an external power source.

In general, various milestones, traffic guide signs and traffic lights are installed at road sections, intersections, and traffic lights to guide the road to the driver of the vehicle.

The milestones and traffic guide signs and traffic lights as described above are installed on the side of the road by fixing the support plate and the metal plate on which the necessary traffic guide signs and letters, etc. are fixed to the support plate. The driver can check the traffic sign and text by the light reflected from the headlights.

However, the reflective signs using the conventional reflector as described above may not be reflected by the headlights of the car or the identification may be deteriorated depending on the installed place and the shape of the sign. In this case, the driver cannot check the signs properly. There was a problem that could happen.

This is because the conventional signs do not emit light by themselves, but reflect light received from the outside, such as headlights or streetlights of automobiles. To solve such problems, traffic guide signs that can be turned on in recent years have been developed.

First, registered utility model No. 20-0417383 (announced May 26, 2006), the 'self-powered lighting guide plate (hereinafter referred to as the prior art 1) in the wind power generation unit provided with a wind power generator on the top of the lighting guide plate The light emitting diode which is turned on by using the power generated in the is installed on the top, side or bottom of the illumination guide plate to illuminate the illumination guide plate.

The prior art 1 uses the power generated by the wind to light up the light emitting diode to illuminate the light guide plate can be lit by its own power, but the light emitting diode installed on the top, side or bottom is easily located by external impact. There is a problem that can be separated, and further difficult to assemble because the configuration is complex.

In addition, the Utility Model Registration No. 20-0429262 (announcement date October 20, 2006), the traffic information sign for the crosswalk with adjustable illumination angle (hereinafter referred to as the prior art 2) is built in the power supply and the power supply The traffic guide display unit is illuminated by a light that is turned on by receiving power from the light source, and an angle adjusting means is provided to be pivotable.

In the related art 2, the power supply unit is formed using a general ballast, and the lighting body is turned on according to the power applied from the power supply unit, and thus, power is supplied from the outside, which makes installation and maintenance difficult.

The present invention is proposed to solve the above problems, it can be used to semi-permanently without the need for a separate power source by externally charging the power by itself to deliver power to the LED as necessary, consisting of a plurality of horizontal and vertical It is an object of the present invention to provide a traffic guide light that can be prevented from deviating from the external shock by pressing the PCB mounted on the front cover member and the LED is provided by the support member.

In addition, by forming a plurality of guide grooves in the support member is accommodated with a power line connected to the light emitting means provided with the LED is easy to assemble the product, and further, the ends of the horizontal and vertical ribs of the support member is composed of two stages, respectively It is an object of the present invention to provide a traffic guide light that can be coupled to the coupling member and the light emitting means to increase the stability without being separated by the impact.

In addition, it is an object to provide a traffic guide light that can be arranged to reflect the light and the light emitted from the light emitting means by arranging the reflective sheet and the diffusion sheet, respectively, to obtain a bright light with a small number of LEDs.

Furthermore, the purpose of the present invention is to provide a traffic guide light that can be easily installed by fixing means for fixing to a post installed on the roadside.

In order to achieve the above object, the present invention, a front cover having a front portion, and a rear bent portion bent rearward from the front portion; A coupling member placed on an inner edge of the front cover; A light emitting means including a PCB and a plurality of LEDs mounted on the PCB, the light emitting means being received in a receiving groove formed in the coupling member; A guide member, such as a letter or a figure, is printed and placed inside the front cover to be supported by the front part; A light guide plate disposed behind the cover member and configured to guide the light emitted from the LED to the cover member; Comprised of a plurality of longitudinal ribs spaced at a predetermined interval, and a plurality of longitudinal ribs spaced apart at regular intervals to intersect the horizontal ribs, the ends of the horizontal ribs and longitudinal ribs are male and female coupled to the coupling groove formed in the coupling member A support member supporting the light guide plate from a rear surface thereof; A rear cover having a rear part provided with a connector for supplying power to the light emitting means, and a front bent part bent forward from the rear part and inserted between an inner surface of the rear bent portion and an outer surface of the coupling member; And a power supply means electrically connected to the connector to supply power.

In addition, the power supply means is characterized in that the battery is built, the case is provided with a corresponding connector for electrical connection with the connector, and a solar cell for charging the battery using solar heat. .

In addition, a guide groove for receiving and guiding a power line for electrically connecting the connector and the light emitting means is formed at predetermined front portions of the horizontal and vertical bars of the support member.

Further, the inner surface edge of the coupling member is seated and coupled to the edge of the light guide plate, characterized in that the protrusion is formed to form the receiving groove.

In addition, the ends of the horizontal and longitudinal ribs are composed of a two-stage structure, the first end is male and female coupled to the coupling portion of the coupling member, the second end is characterized in that the close coupling with the PCB of the light emitting means.

In addition, a reflective sheet for reflecting the incident light forward is disposed on the rear of the light guide plate, and a diffusion sheet for illuminating the cover member by diffusing the incident light is characterized in that disposed on the front.

In addition, the rear cover is characterized in that the fixing means for fixing the coupling to the holding.

The present invention made as described above can be used to charge by using the solar heat without a separate power input from the outside, and can be turned on by applying power as necessary, semi-permanent use, each component is a shock transmitted from the outside It is possible to prevent the deviation from the location has the effect of reducing maintenance costs.

In addition, it is possible to obtain high illuminance even at low power by using low-power high-brightness LEDs, and by placing reflection sheets and diffusion sheets, it is possible to check guide letters and figures printed on the cover member even at night with a small number of LEDs. There is an effect that can be planned.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the traffic guidance light according to the present invention.

In the description of the traffic guidance light according to the present invention with reference to the accompanying drawings, when specifying the direction reference on the basis of Figure 1,

In the state of being coupled to the strut installed on the side of the road,

The side exposed in the direction of travel of the car is called the front or front,

The side that is coupled to the shore is called the rear or back.

As shown in Figures 1 to 3, the traffic light indicator 100 according to the present invention is a front cover having a front portion 11 and the rear bent portion 12 bent rearward from the front portion 11 Coupling member 20 formed with a receiving groove 25 in the 10 is placed on the inner edge of the front cover 10 and a plurality of LEDs 32 mounted on the PCB 31 in the receiving groove 25 The light emitting means 30 provided is accommodated.

Furthermore, the cover member 40 printed with various guide words or figures is placed inside the front cover 10 so as to be supported by the front part 11, and is disposed behind the cover member 40 so that the light emitting means ( The light guide plate 50 is further provided to guide the light emitted from the LED 32 of the 30 to the cover member 40.

The support member 60 supporting the light guide plate 50 from the rear side has a plurality of longitudinal bars 62 spaced apart at regular intervals and a plurality of longitudinal bars 62 spaced apart at regular intervals so as to intersect the horizontal bars 61. The end portion 63 of the horizontal rib 61 and the longitudinal rib 62 is made of a male and female coupling to the coupling groove 21 formed in the coupling member 20.

A rear portion 71 having a connector 73 for supplying power to the light emitting means 30 and an inner surface of the rear bent portion 12 of the front cover 10 and bent forward from the rear portion 71. 13) is provided with a rear cover 70 made of a front bent portion 72 is inserted and coupled between the outer surface 23 of the coupling member 20 and is electrically connected to the connector 73 to supply power The supply means 80 is provided.

The front cover 10 is manufactured to meet the standards and standards specified by the Road Traffic Act, but the cover member 40, which is printed with various guide phrases and figures according to the installed location, is exposed on the front surface.

At this time, the front cover 10 is preferably made of the same shape as the shape of the cover member 40, but the cover member 40 is made of a triangle, a square, a circle, etc. and the front cover 10 is installed in a place It may be changed in various forms accordingly.

The front cover 10 is formed with a rear bent portion 12 that is bent backward, the coupling member 20 is placed in the rear bent portion 12 and the light emitting means 30 in the coupling member 20 The receiving groove 25 to be received is formed and the coupling groove 21 to which the end 63 of the support member 60 is coupled is further formed.

Furthermore, the corners of the light guide plate 50 are seated at the edges of the inner surface 13 of the coupling member 20, and the protrusions 24 forming the accommodation grooves 25 are formed.

As shown in the accompanying drawings, the coupling member 20 has a polygonal shape, but may be formed in a circular shape according to a traffic guide sign. In this case, the protrusion 24 is formed at a predetermined interval and the protrusion 24 is formed. ) To allow the light guide plate 50 to be seated on both sides.

That is, as shown in FIG. 4, when the coupling member 20 has a circular shape, a plurality of protrusions 24 are formed on the coupling member 20 at predetermined intervals, and the light guide plate 50 is fitted to the protrusions 24. do.

The support member 60, which is male and female, coupled to the coupling groove 21 of the coupling member 20, is formed such that a plurality of cross bars 61 and length bars 62 are spaced apart at regular intervals and intersect the cross bars 61. And the end portion 63 of the longitudinal bar 62 is configured to be male and female coupling to the coupling groove 21, but the end 63 is composed of a two-stage structure, the first end 64 is the coupling of the coupling member 20 Male and female to the groove 21, the second end 65 is in close contact while pressing the PCB 31 of the light emitting means 30 from the top.

Furthermore, a power line for electrically connecting the connector 73 formed at the light emitting means 30 and the rear cover 70 to predetermined portions of the front and rear portions of the horizontal and horizontal ribs 61 and the vertical ribs 62 of the support member 60. A guide groove 66 is formed to receive (not shown in the figure).

That is, the support member 60 receives the power line in the guide groove 66 and then is male and female coupling with the coupling member 20 so that the support member 60 does not protrude through the power line. It is easy to assemble and further increase the coupling force by acting the same force to press the coupling member 20 and it is possible to prevent the support member 60 from being separated from the coupling member 20 by an external impact. .

The light emitting means 30 is accommodated in the receiving groove 25 formed in the coupling member 20 is pressed by the support member 60 to prevent the positional deviation and is turned on by the power drawn from the power supply means 80 A plurality of LEDs 32 are mounted on the PCB 31.

The LED 32 is a low-power, high-brightness LED (light emitting diode) that is widely used in various fields to obtain high illuminance at low power, and has a low heat generation rate, so it is widely used in various fields. It is.

The LED 32 is turned on the side of the cover member 40 in a state in which the receiving groove 25 of the coupling member 20 is light guide plate 50 for guiding the light to be directed toward the cover member 40. The cover member 40 is disposed behind.

The light guide plate 50 is an edge light method for transmitting light incident from the side. When light is incident from the side, the light travels to the opposite side, and the light guide plate 50 is refracted and refracted in the bending groove 51 formed therebetween. As the light is reflected, the light is emitted to the front of the light guide plate 50.

A reflective sheet 52 reflecting light incident from the light guide plate 50 is disposed on the rear surface of the light guide plate 50, and a diffusion sheet 53 diffuses the incident light on the front surface of the light guide plate 50. The light refracted by the light is reflected by the reflective sheet 52 and moved to the front surface of the light guide plate 50, and diffuses through the diffusion sheet 53 to illuminate the label member 40 disposed on the front surface.

The rear cover 70 which is inserted into and coupled between the inner surface 13 of the rear bent portion 12 of the front cover 10 and the outer surface 23 of the coupling member 20 is a connector for the light emitting means 30. A front bent portion 72 is formed to couple between the rear portion 71 provided with the 73 and the inner surface 13 of the rear bent portion 12 and the outer surface 23 of the coupling member 20.

Further, the front bent portion 72 and the rear bent portion 12 is formed with a screw hole 14, 75 at a position corresponding to each other is penetrated by the coupling bolt (B), the front bent portion 72 ) And the space formed between the rear bent portion 12 may be used as a drainage path. The traffic light indicator 100 installed outdoors is exposed to rain and moisture, and moisture is introduced into the interior to prevent leakage. In order to prevent the fire caused by the short circuit, it is to discharge the moisture introduced into the interior.

The rear cover 70 having a connector 73 for connecting power to the light emitting means 30 is further formed with a front bent portion 72 so that the inner surface 13 and the coupling member of the rear bent portion 12 are formed. Inserted and coupled between the outer surface 23 of the (20) and at this time a plurality of threaded holes (14) (75) are formed in the front bent portion 72 and the rear bent portion 12, the coupling bolt (B) through the coupling Done.

The power supply means 80 for supplying power to the light emitting means 30 has a battery 81 therein and a corresponding connector 83 electrically connected to the connector 73 provided on the rear cover 70. It is made of a case 82 provided and comprises a solar cell 84 for charging the battery 81.

Furthermore, in order to light up the light emitting means 30 as necessary, a timer (not shown in the figure) or an illuminance sensor (not shown in the figure) for detecting external light may be further provided. Is to be delivered to the light emitting means 30 automatically during the cloudy day.

In the drawing, reference numeral 85 is a battery connector connecting the solar cell 84 and the battery 81.

Looking at the bonding state of the present invention made as described above are as follows.

First, the cover member 40 having a guide letter or a figure printed on the front portion 11 of the front cover 10 is placed inside the front cover 10 and the light emitting means 30 for illuminating the cover member 40. ) Is accommodated in the receiving groove 25 formed on the inner surface 13 of the coupling member 20.

At this time, the light emitting means 30 has a plurality of LEDs 32 and a light guide plate 50 for guiding the light emitted by the LEDs 32 to the label member 40 is disposed behind the label member 40. A diffusion sheet 53 and a reflection sheet 52 are disposed on the front and rear surfaces of the light guide plate 50, respectively, to reflect and diffuse the light bent from the bending groove 51 of the light guide plate 50 to the cover member 40. The light is irradiated with.

A coupling groove 21 is further formed in the coupling member 20 so that the support member 60 is male and female, and the support member 60 has a plurality of cross bars 61 and longitudinal bars 62 coupled to each other. It is formed and the ends of the transverse rib 61 and the longitudinal rib 62 is male and female coupled to the coupling groove 21.

In this case, the end is formed in two stages so that the first end 64 is male and female coupled to the coupling groove 21 of the coupling member 20 and the second end 65 pressurizes the light emitting means 30 from above. While tightly coupled to prevent shaking by an external impact.

The rear cover 70 having a connector 73 for connecting power to the light emitting means 30 is further formed with a front bent portion 72 so that the inner surface 13 and the coupling member of the rear bent portion 12 are formed. Inserted and coupled between the outer surface 23 of the (20) and at this time a plurality of threaded holes (14) (75) are formed in the front bent portion 72 and the rear bent portion 12, the coupling bolt (B) through the coupling Done.

In addition, the battery 81 for the light emitting means 30 and the case 82 is formed with a corresponding connector 83 connected to the connector 73 and the solar cell 84 for charging the battery 81 The power supply unit 80 is provided to electrically connect with the connector 73 of the rear cover 70 to supply the power stored in the battery 81 as necessary.

Although the traffic guidance light according to the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to these descriptions, and various modifications and changes can be made by those skilled in the art within the scope of the spirit of the appended claims. Such modifications and variations are also to be construed as falling within the protection scope of the present invention.

1 is a perspective view of the traffic guidance light combination according to the present invention.

Figure 2 is an exploded perspective view of Figure 1;

3 is a perspective view showing a coupling member and a support member.

4 is a schematic view showing another embodiment of a support member.

<Description of Major Symbols in Drawing>

100: traffic light indicator B: coupling bolt

10 front cover 11 front part 12 rear bend 13 inner surface

20: coupling member 21: coupling groove 23: outer surface 24: protrusion 25: receiving groove

30 light emitting means 31 PCB 32 LED

40: cover member

50: Light guide plate 51: Bending groove 52: Reflective sheet 53: Diffusion sheet

60: support member 61: horizontal meat 62: longitudinal meat 63: end

64: first stage 65: second stage 66: guide home

70: rear cover 71: rear portion 72: front bent portion 73: connector

74: fixing means 75: screw hole

80: power supply means 81: battery 82: case 83: corresponding connector

84: Cell 85: Battery Connector

Claims (7)

  1. A front cover having a front portion and a rear bent portion bent rearwardly from the front portion;
    A coupling member placed on an inner edge of the front cover;
    A light emitting means including a PCB and a plurality of LEDs mounted on the PCB, the light emitting means being received in a receiving groove formed in the coupling member;
    A guide member, such as a letter or a figure, is printed and placed inside the front cover to be supported by the front part;
    A light guide plate disposed behind the cover member and configured to guide the light emitted from the LED to the cover member;
    Comprised of a plurality of longitudinal ribs spaced at a predetermined interval, and a plurality of longitudinal ribs spaced apart at regular intervals to intersect the horizontal ribs, the ends of the horizontal ribs and longitudinal ribs are male and female coupled to the coupling groove formed in the coupling member A support member supporting the light guide plate from a rear surface thereof;
    A rear cover having a rear portion provided with a connector for supplying power to the light emitting means, and a front bending portion bent forward from the rear portion and inserted between an inner surface of the rear bending portion and an outer surface of the coupling member;
    And a power supply means electrically connected to the connector to supply power.
  2. The method of claim 1, wherein the power supply means
    A case having a built-in battery and having a corresponding connector for electrical connection with the connector;
    Traffic light indicator comprising a solar cell for charging the battery using solar heat.
  3. The method of claim 1,
    The predetermined portion of the front surface of the horizontal and vertical ribs of the support member
    Traffic guide light, characterized in that the guide groove for receiving and guiding the power line for electrically connecting the connector and the light emitting means.
  4. The method of claim 1,
    The inner surface edge of the coupling member is the edge of the light guide plate is seated and coupled, the traffic guide light, characterized in that the protrusion is formed to form the receiving groove.
  5. The method of claim 3, wherein
    The ends of the horizontal and vertical ribs have a two-stage structure, the first end of which is male and female coupled to the coupling portion of the coupling member, and the second end of the traffic guidance indicator light, characterized in that closely coupled with the PCB of the light emitting means. .
  6. The method according to any one of claims 1 to 4,
    The rear surface of the light guide plate is disposed on the reflective sheet for reflecting the incident light to the front, traffic guide light, characterized in that the diffusion sheet for illuminating the cover member by diffusing the incident light.
  7. The method according to any one of claims 1 to 4,
    The rear cover is a traffic guide light, characterized in that the fixing means for fixing the coupling to the holding.
KR1020070121189A 2007-11-27 2007-11-27 Road guiding sign KR100812992B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070121189A KR100812992B1 (en) 2007-11-27 2007-11-27 Road guiding sign

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070121189A KR100812992B1 (en) 2007-11-27 2007-11-27 Road guiding sign

Publications (1)

Publication Number Publication Date
KR100812992B1 true KR100812992B1 (en) 2008-03-13

Family

ID=39398660

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070121189A KR100812992B1 (en) 2007-11-27 2007-11-27 Road guiding sign

Country Status (1)

Country Link
KR (1) KR100812992B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101031192B1 (en) * 2010-02-25 2011-04-26 미경산업주식회사 A sign board having light emitting diode
KR101327285B1 (en) 2011-04-12 2013-11-11 전명희 Road signpost
KR102033433B1 (en) * 2019-04-08 2019-10-17 세일검사기술 주식회사 A radioisotope warning label storage case for radioisotope carrying vehicles with improved visibility using recursive reflection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990022604U (en) * 1999-03-25 1999-07-05 김용환 Safety indicating device using solar-cell
KR20010110276A (en) * 2001-11-21 2001-12-12 이계선 The traffic sign board utilizing led
JP2004116163A (en) 2002-09-26 2004-04-15 Fuji Dengyo Kk Traffic sign
KR20050113143A (en) * 2005-11-10 2005-12-01 오완호 Trafic signal lamp using light emitting diode

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990022604U (en) * 1999-03-25 1999-07-05 김용환 Safety indicating device using solar-cell
KR20010110276A (en) * 2001-11-21 2001-12-12 이계선 The traffic sign board utilizing led
JP2004116163A (en) 2002-09-26 2004-04-15 Fuji Dengyo Kk Traffic sign
KR20050113143A (en) * 2005-11-10 2005-12-01 오완호 Trafic signal lamp using light emitting diode
KR20060034676A (en) * 2005-11-10 2006-04-24 오완호 The luminous device using light emitting diodes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101031192B1 (en) * 2010-02-25 2011-04-26 미경산업주식회사 A sign board having light emitting diode
KR101327285B1 (en) 2011-04-12 2013-11-11 전명희 Road signpost
KR102033433B1 (en) * 2019-04-08 2019-10-17 세일검사기술 주식회사 A radioisotope warning label storage case for radioisotope carrying vehicles with improved visibility using recursive reflection

Similar Documents

Publication Publication Date Title
US9214101B2 (en) Backlit graphic display device
US9343003B2 (en) Backlit graphic display device with device-to-surface mounts
FI117303B (en) Illuminator
US7503673B2 (en) LED light source module in tube
US5515253A (en) L.E.D. light assembly
CN101469844B (en) Illuminating apparatus
EP1833035B1 (en) Modular system for luminous signals
US6092318A (en) Solar battery type indication apparatus
US6942361B1 (en) Light source for white color LED lighting and white color LED lighting device
EP2268966B1 (en) Lighting apparatus using light emitting diode
US8083373B2 (en) LED retrofit for fluorescent backlit signs
US7101056B2 (en) Illuminated LED street sign
US6557282B1 (en) Portable illuminated outdoor advertising display
EP2738447A1 (en) Shelf lighting device
AU2007337872B2 (en) A lighting device
CN102165251A (en) LED lighting device
US5896093A (en) L.E.D. light assembly for traffic arrowboards
US8454196B2 (en) Outdoor illumination lamp
KR100541611B1 (en) Solar led street lighting
KR20100012172A (en) The two-sided illumination led lenses and led modules and led two-sided illuminating systems which use this
CN103003862B (en) Utilize the detachable light-emitting device of light emitting diode module
JP2007041622A (en) Lighting system
JP2008210711A (en) Street light
CN101984284A (en) Reflective LED grille lamp
US20040107615A1 (en) Illuminated LED street sign

Legal Events

Date Code Title Description
A201 Request for examination
A302 Request for accelerated examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110214

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee