KR20140013189A - Using the median combined solar led pedestrian safety fence - Google Patents

Using the median combined solar led pedestrian safety fence Download PDF

Info

Publication number
KR20140013189A
KR20140013189A KR1020120079194A KR20120079194A KR20140013189A KR 20140013189 A KR20140013189 A KR 20140013189A KR 1020120079194 A KR1020120079194 A KR 1020120079194A KR 20120079194 A KR20120079194 A KR 20120079194A KR 20140013189 A KR20140013189 A KR 20140013189A
Authority
KR
South Korea
Prior art keywords
safety fence
led
main body
pedestrian safety
light
Prior art date
Application number
KR1020120079194A
Other languages
Korean (ko)
Other versions
KR101432755B1 (en
Inventor
이광주
Original Assignee
주식회사 대경기업
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 주식회사 대경기업 filed Critical 주식회사 대경기업
Priority to KR1020120079194A priority Critical patent/KR101432755B1/en
Publication of KR20140013189A publication Critical patent/KR20140013189A/en
Application granted granted Critical
Publication of KR101432755B1 publication Critical patent/KR101432755B1/en

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0461—Supports, e.g. posts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The present invention relates to a safety fence using a solar LED, capable of helping safe driving and improving visibility of a driver by being installed in a crash barrier or a guide rail on a road. The present invention is operated with a storage battery as power, and an LED lamp is used. A safety display unit of a new shape, capable of having neon tube effects using a luminous paint, is installed so that the visibility of the driver can be improved when driving in a bad weather. The present invention also can be easily operated and maintained and save energy by supplying the power by itself and using the LED lamp.

Description

{Using the median combined solar LED pedestrian safety fence}

The present invention relates to a safety fence for pedestrians combined with a center bar using a solar light LED, more particularly, to distinguish a roadway from a roadway or a roadway and a roadway, thereby securing the safety of a pedestrian on the road, And more particularly, to a safety fence for a pedestrian using a solar cell capable of improving the visibility of a pedestrian by using a solar cell.

Generally, there are many risks on the roads. Especially, when driving a car on the road, it is likely to be exposed to a lot of risks. Such a risk factor is more likely to occur on a road (roadway) to be.

Therefore, the roads are equipped with a median separator and safety fences that allow drivers to be alerted and safe driving.

A pedestrian safety fence and a median separation fence are installed at the center of the road between the road and the road or at the center of the two-way road so as to secure the safety of the pedestrian and the vehicle. Therefore, it is possible to secure the safety of the pedestrian, Similarly, the vehicle can secure the safety of the vehicle by communicating with the vehicle.

A four-lane highway and a national highway are equipped with a median separator that prevents high-speed vehicles from moving in opposite lanes and prevents major accidents. A guard rail is provided.

On the central side of such a highway or a vehicle-dedicated road, a guard rail is provided on a median separator or a shoulder, so that the vehicle on the opposite side is prevented from falling over or the vehicle is installed so as not to be detached from the road.

Further, in the case of the above-mentioned median separator, a separate light shielding plate for preventing the light of the headlight of the vehicle running on the opposite side may be provided, or in the case of the guard rail installed on the shoulder, an arrow Providing visibility.

However, when the weather is bad weather due to night, snow, or heavy fog, the central separator or the railing can not be seen easily due to the watch failure. As a result, not only frequent occurrence of contact or collision of the moving vehicle occurs, It may lead to a major accident that breaks apart a divider or a railing and invades another lane or sidewalk.

Especially, the incidence rate of incidents is inevitably increased in the curve section of the road, and the scale of the accident is also severe.

Therefore, existing safety indicators alone are vulnerable to the risk of accidents caused by bad weather at night or in bad weather.

In consideration of this point, the Korean Registered Patent No. 10-0732916 and the Korean Registered Utility Model No. 20-0197318 disclose a safety indicator device that can prevent accidents by installing a lighting device on a central separator, a railing, etc. However, There is a difficulty in securing visibility, and there is an economical disadvantage in terms of installation and operation.

In addition, safety fences for pedestrians, which are designed to partition roads and roads, are also vulnerable to visibility at night. Recently, safety fences using LEDs have been widely available. However, conventional LED safety fences have a large number of LEDs And it has a disadvantage in that the self-charging type self-charging can not be used for a long time because of a large number of LEDs.

Korean Patent No. 10-0732916 Korean Registered Utility Model 20-0197318

Accordingly, it is an object of the present invention to provide an LED lighting device that can be used for a long time by self-charging with a small number of LEDs and can improve visibility according to illumination, It can be used for pedestrian safety fence in India. It adopts solar battery as a power source, adopts LED lighting, and implements a new type of safety display means that can achieve neon tube effect using luminous paint, The object of the present invention is to provide a pedestrian safety fence which can improve the visibility of a driver and can provide energy saving through self-power supply and LED illumination, and also can be operated and maintained easily by using a solar cell. .

In order to accomplish the above object, the safety fence for both the center and the center using the solar light provided by the present invention has the following features.

As a means for securing visibility of pedestrians and drivers by variously installed as a median divider or guide rail or a pedestrian safety fence that divides the road and sidewalk, a post-shaped main body having an upper cover and a lower cover, and the interior of the main body When installed in the upper side and the solar storage battery for supplying power and the front or front and rear surfaces of the main body, for example, when applied to the road divider is installed on the front of the main body, when applied to the road guide rail A light guide plate installed on each of the front and rear surfaces of the main body to guide light emitted from the LED to the outside of the main body, and a reflecting plate attached to the rear surface of the light guide plate; It consists of a type containing an LED that receives power from a storage battery A gong.

Here, it is preferable that a plurality of grooves are formed on the back surface of the light guide plate, and a luminous paint is applied to the grooves at this time so that the neon tube effect can be obtained when viewed from the front.

In addition, each of the grooves formed in the light guide plate may be formed with grooves having different depths in order to realize the light.

The light guide plate of the main body may have a flat surface or a convex curved surface exposed to the outside, and a colored acrylic plate may be inserted between the rear surface and the reflecting plate of the light guide plate installed on the main body.

As an example of an installation structure of a pedestrian safety fence serving as a center separator using a solar LED, when the pedestrian safety fence is applied to a road center separator, the main body is supported on a road surface by a bolt fastening structure using a bottom cover And when it is applied to the road guide rail and the pedestrian safety fence, it can be installed in a structure in which it is supported and supported between the guide rails by using the brackets on both sides of the main body.

The pedestrian safety fence serving as a median separator using the solar light LED provided in the present invention has the following advantages.

First, the lighting effect of LED lighting and the neon effect of luminous paint have the advantage of reducing the risk of accidents such as improving the visibility of pedestrians and drivers when walking at night or when racing a vehicle.

Secondly, the power is supplied by using the solar battery and the lighting method is adopted by using the minimum LED, so that it is possible to prolong the life of the lamp and economical operation such as energy saving as well as long time investigation according to the charging amount .

Third, since the installation and structure are simple and in the form of a post structure, it can be widely applied to a central separator, a guide rail of a road, a pedestrian safety fence of India, and the like.

1 is a front view showing a pedestrian safety fence serving as a center separator using a solar light LED according to an embodiment of the present invention;
2 is a sectional view and an enlarged view showing a pedestrian safety fence serving as a center separator using a solar light LED according to an embodiment of the present invention;
3 is a front view showing a pedestrian safety fence serving as a center separator using a solar light LED according to another embodiment of the present invention
FIG. 4 is a cross-sectional view showing a safety fence for a pedestrian combined with a center separator using a solar light LED according to another embodiment of the present invention
5 is a cross-sectional view illustrating a pedestrian safety fence serving as a center separator using a solar light LED according to another embodiment of the present invention
6 is a cross-sectional view showing a safety fence for a pedestrian combined with a center separator using a solar cell according to another embodiment of the present invention
7 is a view illustrating an example of a use state of a pedestrian safety fence using the solar light LED according to the present invention

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

FIG. 1 is a front view showing a safety fence for a pedestrian using a solar light LED according to an embodiment of the present invention. FIG. 2 is a front view of a pedestrian safety fence serving as a center separator using a solar LED according to an embodiment of the present invention. Fig.

As shown in Figs. 1 and 2, a pedestrian safety fence serving as a center separator using a solar LED used for a center separator of a road is shown here.

The safety fence using the solar light LED is provided on a central separator or a guide rail of a road, and particularly, it helps to reduce the risk of accidents by securing the visibility of the driver when driving at night or rainy days.

For this purpose, a main body 12 of a post shape such as a rectangular or circular case is provided while forming a space therein, and an upper cover 10 and a lower cover 11 are provided at the upper and lower ends of the main body 12 Bolt or screw fastening structure, respectively.

A hole 21a for exposing a part of the solar cell 13 to be described later is formed in the top cover 10 and a hole 21a for exposing a part of the solar cell 13, The solar battery 22 is exposed to the outside, and solar light can be collected from the outside and produced.

A hole 21b is formed in the lower cover 11. The hole 21b can be used to fasten an anchor bolt or the like when the main body 12 is installed directly on the road surface.

The photovoltaic battery 13 is provided as a self-power supply means. The photovoltaic battery 13 is disposed on the upper side of the main body 12 and placed on the battery base 23, The photovoltaic portion 22 of the solar battery 13 to be installed can be exposed to the outside through the hole 21a of the top cover 10. [

The solar battery 13 is electrically connected to the LED 14 to supply power to the LED.

Here, the safety display device of the present invention adopts the self-power supply method using the solar battery 13, but it is obvious that a method of drawing the power from the outside and supplying it to the LED 14 side is also applicable .

In addition, the LED 14 is provided as means for illuminating and illuminating substantial light.

The LED lighting system of the present invention has a minimum number of LEDs of about 1 to 4, so that it is possible to realize the self-charged amount and the illuminance of the solar battery 13, thereby saving energy and prolonged time.

For example, in the present invention, two LEDs 14 assembled on one PCB 25 are applied to one safety fence.

The LED 14 is mounted on the LED bracket 24 fixed on the inner wall surface of the main body 12 while being positioned on one side of the main body 12 such as a side surface of the light guide plate 15 to be described later, Structure or the like.

In particular, a transparent synthetic resin such as acrylic light guide plate 15 is provided as a means for guiding light from the LED 14 to the outside of the main body.

The light guide plate 15 has a predetermined pattern on the back surface. The light guide plate 15 scatters and disperses the LED light incident on the side surface to guide the pattern to be displayed on the front surface. .

The light guide plate 15 is in the form of a long rectangular plate and is positioned in an exposed state through an opening 26 formed in the front surface of the main body 12 and is fastened to the inner surface of the main body through an upper end portion and a lower end portion Structure.

That is, the light guide plate 15 can be installed on the front surface of the main body 12 when it is applied to the road center separator.

Here, the front surface of the light guide plate 15, that is, the front surface exposed to the outside, may be a flat surface, and may be formed outwardly curved surfaces (FIGS. 5 and 6).

In this case, when the front surface of the light guide plate 15 is formed of a convex curved surface, the power LED 27 may be applied to increase the light intensity, thereby improving the lighting effect, that is, improving the visibility (FIGS. 5 and 6 )

In particular, a plurality of grooves 17 are formed on the back surface of the light guide plate 15, and the grooves 17 may be arranged at regular intervals along the longitudinal direction of the light guide plate, .

In addition, a luminous paint 18 is applied to the inner surfaces of the respective grooves 17, so that the neon tube effect can be exhibited when viewed from the front, thereby further enhancing the visibility of the driver.

5 and 6, in the case of each groove 17 formed in the light guide plate 15, different depths of light can be achieved, and in addition, the light guide plate 15 15 and the reflective plate 16, a change can be made in the external visibility because the colored acrylic plate 19 is interposed.

In other words, the visibility felt by the driver can be changed by applying the colored acrylic plate 19 of a different color to each safety display device installed on the road central separator or the guide rail.

FIG. 3 is a front view showing a pedestrian safety fence serving as a center separator using a solar light LED according to another embodiment of the present invention, and FIG. 4 is a front view of a pedestrian safety fence serving as a center separator using a solar LED according to another embodiment of the present invention. Fig.

As shown in Figs. 3 and 4, here, a safety fence using a solar LED used for a guide rail on a road and a pedestrian safety fence is shown. The safety fence at this time is safety It is the same in terms of fence and function surface or structure. It shows slight difference in installation structure due to the nature of guide rail and pedestrian safety fence.

For example, on both sides of the main body 12, a tubular bracket 20 is welded or bolted (not shown) to the upper and lower portions, respectively. The bracket 20 is used for guiding rails and pedestrian safety fences, As shown in FIG. 7, it can be installed in a structure in which it is fitted to both ends of the guide rail bar 30 and assembled while being assembled.

That is, the main body 12 can be installed in a structure erected between both guide rail bars and fastened to the guide rail bar side through the bracket 20.

A pair of LEDs 14 and a light guide plate 15 are provided on the main body 12 and the LEDs 14 and the light guide plate 15 are disposed on the front and rear surfaces of the main body 12, It is possible to irradiate light toward the road side and the side toward India.

As a result, there is an advantage that safety accidents can be prevented for both the driver traveling on the road and the pedestrian walking along the road.

As described above, the present invention can be applied to the respective uses of the central separator of the road, the guide rail, and the pedestrian safety fence, while using a solar battery capable of supplying power by itself as a power source and employing an illumination method using LEDs and a light guide plate By implementing the safety fence for pedestrians using a solar power LED, it is possible to reduce the risk of accidents by increasing the visibility of pedestrians and drivers when walking at night or when racing at night, And can operate economically.

10: Top cover 11: Bottom cover
12: main body 13: solar battery
14: LED 15: light guide plate
16: reflector 17: groove
18: luminous paint 19: colored acrylic plate
20: bracket 21a, 21b: hole
22: light source 23: capacitor base
24: LED bracket 25: PCB
26: opening 27: power LED
30: Guide rail bar

Claims (5)

As means for securing the visibility of the pedestrian and the driver by being installed on the pedestrian safety fence or the central separator of the road or the guide rail,
A body 12 in the form of a post having a top cover 10 and a bottom cover 11;
The photovoltaic power generation unit 22 is installed on the upper side of the main body 12 and exposes the photovoltaic unit 22 to the outside through the upper surface hole 21a of the upper cover 10 to collect sunlight from the outside, A battery 13;
A plurality of grooves 17 are formed on the rear surface of the main body 12 and light emitted from the LEDs 14 is irradiated to the outside of the main body 12. The grooves 17 are formed with light- A light guide plate 15 to which a coating material 18 is applied; And
Located on the upper side of the light guide plate 15 and installed to be fitted through the PCB 25 on the LED bracket 24 which is supported inside the main body and the LED emitting light by receiving power from the solar storage battery 13 ( 14);
Central separator combined pedestrian safety fence using a solar LED, characterized in that it comprises a.
The method according to claim 1,
The light guide plate 15 of the main body 12 has a flat surface or a convex curved surface that is exposed to the outside, and when the convex curved surface is formed, each groove 17 formed in the light guide plate 15 has a three-dimensional effect of light. The pedestrian safety fence for the central divider using a solar LED, characterized in that the grooves of different depths.
The method according to claim 1 or 2,
A reflective plate 16 is attached to cover the entire back surface and the bottom surface of the light guide plate 15 installed in the main body 12 and a colored acrylic plate 19 is interposed between the back surface of the light guide plate 15 and the reflective plate 16 Which is equipped with a solar light LED, which is characterized by the fact that it can be used as a pedestrian safety fence.
The power LED 27 and the LED 14 are disposed on the PCB 25 supported on the LED bracket 24 provided above the light guide plate 15 and the colored acrylic plate 19, A pedestrian safety fence serving as a center separator using a solar LED.
The pedestrian safety fence and the pedestrian safety fence are installed on the main body (12) when the pedestrian safety fence and the road And is mounted on both ends of the guide rail bar (30) using brackets (20) on both sides of the main body (12) when the guide rail is applied to the guide rail. Pedestrian safety fence combined with separation.
KR1020120079194A 2012-07-20 2012-07-20 Using the median combined solar LED pedestrian safety fence KR101432755B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120079194A KR101432755B1 (en) 2012-07-20 2012-07-20 Using the median combined solar LED pedestrian safety fence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120079194A KR101432755B1 (en) 2012-07-20 2012-07-20 Using the median combined solar LED pedestrian safety fence

Publications (2)

Publication Number Publication Date
KR20140013189A true KR20140013189A (en) 2014-02-05
KR101432755B1 KR101432755B1 (en) 2014-08-21

Family

ID=50263663

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120079194A KR101432755B1 (en) 2012-07-20 2012-07-20 Using the median combined solar LED pedestrian safety fence

Country Status (1)

Country Link
KR (1) KR101432755B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150111489A (en) 2014-03-25 2015-10-06 청주대학교 산학협력단 Safety fences for road
KR20160087506A (en) * 2015-01-14 2016-07-22 주식회사 대경기업 Safety fence for street
CN106322284A (en) * 2016-08-16 2017-01-11 苏州新逸喆电子科技有限公司 LED warning light

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3000044U (en) * 1994-01-06 1994-07-26 株式会社キクテック Wide-angle light emitting gaze induction pole
JP2008184845A (en) 2007-01-31 2008-08-14 Teikin Kk Light emitting unit and bumping post
KR200439258Y1 (en) * 2007-10-17 2008-03-28 (주)무진기업 luminous post for safety fense
KR20090077150A (en) * 2008-01-10 2009-07-15 정종상 A lighting for road safety facilities

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150111489A (en) 2014-03-25 2015-10-06 청주대학교 산학협력단 Safety fences for road
KR20160087506A (en) * 2015-01-14 2016-07-22 주식회사 대경기업 Safety fence for street
CN106322284A (en) * 2016-08-16 2017-01-11 苏州新逸喆电子科技有限公司 LED warning light

Also Published As

Publication number Publication date
KR101432755B1 (en) 2014-08-21

Similar Documents

Publication Publication Date Title
KR100732916B1 (en) Safety lighting guard rail for road
KR101432755B1 (en) Using the median combined solar LED pedestrian safety fence
KR101255678B1 (en) Led lighting equipment for road name and road sign board
ES2311398B1 (en) LIGHT DEVICE THAT ALERTS THE CROSSING PEATON DRIVERS BY ZEBRA STEPS.
KR20120117440A (en) Roadbarrier guidance device having solar cells
KR100895722B1 (en) Solar tubular markers
CN204608631U (en) A kind of Novel warning board
WO2012074201A2 (en) Road marking stud
JP3827478B2 (en) Self-luminous gaze guidance mark
KR101158243B1 (en) Load safety indicator using light emitting diode
KR100643809B1 (en) Stucture of light-emitting device for guard fence
KR101073699B1 (en) A safety fence
KR101045618B1 (en) flashing sign lamp for road
KR101885882B1 (en) Visibility Device for Median Road
KR200462855Y1 (en) Guard fence
KR100911243B1 (en) Pedestrian signal lamp
KR101031192B1 (en) A sign board having light emitting diode
KR20090035304A (en) A traffic signal which a bicycle indicator is possessed
KR100961714B1 (en) A overspeed prevention device
KR101705515B1 (en) Built-in safety lighting equipment of guard rail
KR101217023B1 (en) Lighting apparatus for automobile leading using solar cell and led
KR20200142358A (en) Elastic body headlight shield for median strip
KR101297133B1 (en) Delineator of guard rail
KR200450436Y1 (en) Fence post having led lights
KR200228253Y1 (en) A road indicator for lighting use of sun-light

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20170810

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20180814

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20190814

Year of fee payment: 6