CN220817547U - Direct type anti-dazzle linear lamp and lighting system - Google Patents
Direct type anti-dazzle linear lamp and lighting system Download PDFInfo
- Publication number
- CN220817547U CN220817547U CN202322014499.9U CN202322014499U CN220817547U CN 220817547 U CN220817547 U CN 220817547U CN 202322014499 U CN202322014499 U CN 202322014499U CN 220817547 U CN220817547 U CN 220817547U
- Authority
- CN
- China
- Prior art keywords
- light
- light guide
- cup assembly
- reflecting cup
- lamp
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000011324 bead Substances 0.000 claims abstract description 53
- 230000003287 optical effect Effects 0.000 abstract description 14
- 230000004313 glare Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The application provides a direct type anti-dazzle linear lamp and a lamplight system. The direct type anti-dazzle linear lamp comprises a main shell, lamp beads, a light guide plate and a light reflecting cup assembly, wherein the light guide plate is provided with a light guide part, the lamp beads are installed on the light guide part, the light guide plate is connected with the main shell, a containing cavity is formed in the main shell, the light reflecting cup assembly is located in the containing cavity and connected with the main shell, the light reflecting cup assembly is located on the light emitting side of the lamp beads, and the light guide part and the light reflecting cup assembly are oppositely arranged, so that light reflected by the light reflecting cup assembly is emitted from the light guide part. The glare value of the light emitted by the light guide part is lower by prolonging the optical path of the light and the optical effect of the reflecting cup component, and compared with the traditional linear lamp, the anti-dazzle grille cover is required to be arranged outside the main shell because the reflecting cup component is arranged in the accommodating cavity inside the main shell, and the anti-dazzle grille cover has more compact and simple structure.
Description
Technical Field
The utility model relates to the field of lamp illumination, in particular to a direct type anti-dazzle linear lamp and a lamplight system.
Background
The LED lamp is used as a green and energy-saving solid light source in the field of illumination, is suitable for being used as an illuminating lamp in public places, can be used as a decorative lamp in home, and particularly can be used as an illuminating and decorative lamp of some electric products. Among them, the linear lamp is a main type of LED lamp, and in order to make glare of the linear lamp low, a light-transmitting cover or an anti-glare grille is generally provided at the light-emitting side of the linear lamp.
For example, chinese patent with application number CN202022194289.9 discloses a linear lamp, which comprises a lamp main body and an anti-dazzle grille cover located at the light-emitting side of the lamp main body, wherein two sides of the anti-dazzle grille cover are respectively provided with a mounting clamping plate, the two mounting clamping plates respectively lean against the side surface of the lamp main body, the side surface of the mounting clamping plate is also convexly provided with a clamping buckle for clamping and fixing the anti-dazzle grille cover, and the side surface of the lamp main body is also concavely provided with a clamping groove for accommodating the clamping buckle. The anti-dazzle grille cover is clamped on two sides of the lamp main body through the mounting clamping plates and the clamping buckles, and the mounting clamping plates can also elastically bend to a certain extent, so that the anti-dazzle grille cover is more convenient to mount and dismount.
However, the structural design of the linear lamp described above has the following problems in use:
in order to reduce the glare value of light, the anti-dazzle grille cover is arranged on the light-emitting side of the lamp main body, and meanwhile, the installation clamping plates are arranged on two sides of the lamp main body to fix the anti-dazzle grille cover, so that the structure of the linear lamp is more complicated, and the thickness of the linear lamp is higher.
Therefore, a linear lamp with a simple structure and a good anti-dazzle function is needed.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide a direct type anti-dazzle linear lamp and a lamplight system which are simpler and more convenient in structure and better in anti-dazzle function.
The aim of the utility model is realized by the following technical scheme:
A direct-lit anti-glare linear lamp, comprising:
The anti-dazzle linear lamp comprises a main shell, lamp beads and a light guide plate, wherein the light guide plate is provided with a light guide part, the lamp beads are installed on the light guide part, the light guide plate is connected with the main shell, the direct type anti-dazzle linear lamp further comprises a light reflecting cup assembly, a containing cavity is formed in the main shell, the light reflecting cup assembly is located in the containing cavity and connected with the main shell, the light reflecting cup assembly is located on the light emitting side of the lamp beads, and the light guide part and the light reflecting cup assembly are oppositely arranged so that light reflected by the light reflecting cup assembly is emitted from the light guide part.
In one embodiment, the light beads are located between the light guide portion and the reflector cup assembly.
In one embodiment, the light guide plate includes a plate body and a light guide portion, the plate body is respectively connected with the light guide portion and the main housing, the light guide portion is connected with the lamp beads, the light guide portion is provided with a light outlet groove, and the light outlet groove is used for emitting light reflected by the light reflecting cup assembly from the light guide portion.
In one embodiment, the plate body and the light guide part are integrally formed.
In one embodiment, the light guiding portion includes a plurality of light guiding columns and a light guiding disc, two ends of each light guiding column are respectively connected with the light guiding disc and the plate body, the lamp beads are connected with the light guiding disc, and the space enclosed by two adjacent light guiding columns, the plate body and the light guiding disc forms the light outlet groove.
In one embodiment, the number of the light emitting slots is a plurality; and/or the number of the groups of groups,
Each light emitting groove is in a fan shape.
In one embodiment, the light reflecting cup assembly comprises a mounting frame and a light reflecting cup body, wherein the light reflecting cup body is fixedly connected with the mounting frame, and the mounting frame is connected with the main shell.
In one embodiment, the number of the lamp beads is a plurality, the number of the reflecting cup bodies is a plurality, the number of the light guide parts is a plurality, and each lamp bead is arranged opposite to the corresponding reflecting cup body and the corresponding light guide part.
In one embodiment, the direct type anti-dazzle linear lamp further comprises a screw-connection piece, the main shell is provided with a first screw-connection hole, the mounting frame is provided with a second screw-connection hole matched with the first screw-connection hole, and the screw-connection piece sequentially penetrates through the first screw-connection hole and the second screw-connection hole.
A lighting system comprising the direct-lit anti-glare linear lamp of any one of the embodiments above.
Compared with the prior art, the utility model has at least the following advantages:
The direct type anti-dazzle linear lamp comprises a light guide plate, wherein the light guide plate is provided with a light guide part, a lamp bead is arranged on the light emitting side of the lamp bead, and a light reflecting cup assembly is arranged opposite to the light guide part, so that light emitted by the lamp bead firstly irradiates the light reflecting cup assembly and then is reflected, the reflected light irradiates the light guide part from the original direction, so that the light is emitted from the light guide part, namely, the light glare value emitted by the light guide part is lower through the optical path of the prolonged light and the optical effect of the light reflecting cup assembly, and further, the anti-dazzle function of the linear lamp is better. Furthermore, as the reflecting cup component is arranged in the accommodating cavity in the main shell, compared with the traditional linear lamp, the anti-dazzle grille cover is required to be arranged on the outer side of the main shell, and the structure of the anti-dazzle grille is more compact and simpler.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a direct type antiglare linear lamp according to an embodiment;
FIG. 2 is a sectional view showing the structure of the direct type anti-dazzle linear lamp shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion of the direct-type antiglare linear lamp of FIG. 2 at A;
fig. 4 is a schematic structural view of a reflector cup assembly of the direct type anti-dazzle linear lamp shown in fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, 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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a direct type anti-dazzle linear lamp which comprises a main shell, lamp beads, a light guide plate and a light reflecting cup component, wherein the light guide plate is provided with a light guide part, the lamp beads are arranged on the light guide part, the light guide plate is connected with the main shell, a containing cavity is formed in the main shell, the light reflecting cup component is positioned in the containing cavity and is connected with the main shell, the light reflecting cup component is positioned on the light emitting side of the lamp beads, and the light guide part is arranged opposite to the light reflecting cup component so that light reflected by the light reflecting cup component is emitted from the light guide part.
The direct type anti-dazzle linear lamp comprises a light guide plate, wherein the light guide plate is provided with a light guide part, a lamp bead is arranged on the light emitting side of the lamp bead, and a light reflecting cup assembly is arranged opposite to the light guide part, so that light emitted by the lamp bead firstly irradiates the light reflecting cup assembly and then is reflected, the reflected light irradiates the light guide part from the original direction, so that the light is emitted from the light guide part, namely, the light glare value emitted by the light guide part is lower through the optical path of the prolonged light and the optical effect of the light reflecting cup assembly, and further, the anti-dazzle function of the linear lamp is better. Furthermore, as the reflecting cup component is arranged in the accommodating cavity in the main shell, compared with the traditional linear lamp, the anti-dazzle grille cover is required to be arranged on the outer side of the main shell, and the structure of the anti-dazzle grille is more compact and simpler.
In order to better understand the technical scheme and beneficial effects of the present application, the following describes the present application in further detail with reference to specific embodiments:
As shown in fig. 1 to 3, the direct type anti-glare linear lamp 10 according to an embodiment includes a main housing 100, a lamp bead 200, a light guide plate 300, and a reflective cup assembly 400, wherein the light guide plate 300 is provided with a light guide portion 310, the lamp bead 200 is mounted on the light guide portion 310, and the light guide plate 300 is connected to the main housing 100. Further, the main housing 100 is internally provided with a receiving cavity 110, the light reflecting cup assembly 400 is located in the receiving cavity 110 and is connected with the main housing 100, the light reflecting cup assembly 400 is located at the light emitting side of the lamp bead 200, and the light guiding portion 310 is disposed opposite to the light reflecting cup assembly 400, so that the light reflected by the light reflecting cup assembly 400 is emitted from the light guiding portion 310.
In this embodiment, the reflective cup assembly 400 is located in the accommodating cavity 110 in the main housing 100, the lamp bead 200 and the light guide plate 300 are located below the reflective cup assembly 400, and the reflective cup assembly 400 is located at the light emitting side of the lamp bead 200, so that the light emitted by the lamp bead 200 irradiates to the reflective cup assembly 400 along a certain path, and is reflected along the original path after passing through the optical effect of the reflective cup assembly 400 until the light is emitted from the light guide 310, i.e. the optical path of the light and the optical effect of the reflective cup assembly 400 are prolonged in a limited space, so that the glare value of the light emitted from the light guide 310 is lower. Further, since the reflective cup assembly 400 is installed in the accommodating cavity 110 of the main housing 100, the structure of the present application is compact and simple and has an anti-glare function, compared to the conventional art, which requires a light-transmitting cover or an anti-glare grille cover outside the lamp housing.
The direct type anti-dazzle linear lamp 10 described above, the light guide plate 300 is provided with the light guide portion 310, the lamp bead 200 is mounted on the light guide portion 310, the light reflecting cup assembly 400 is located at the light emitting side of the lamp bead 200, and the light reflecting cup assembly 400 is opposite to the light guide portion 310, so that the light emitted by the lamp bead 200 irradiates the light reflecting cup assembly 400 first and then is reflected, and the reflected light irradiates the light guide portion 310 from the original direction, so that the light is emitted from the light guide portion 310, that is, the glare value of the light emitted by the light guide portion 310 is lower by prolonging the optical path of the light and the optical effect of the light reflecting cup assembly 400, and further the anti-dazzle function of the linear lamp is better. Further, since the reflector cup assembly 400 is installed in the accommodating cavity 110 inside the main housing 100, the structure of the present application is more compact and simple compared to the conventional linear lamp, which requires an anti-glare grill cover outside the main housing 100.
As shown in fig. 2 and 3, in one embodiment, the lamp bead 200 is located between the light guiding portion 310 and the light reflecting cup assembly 400, so that the light emitted from the lamp bead 200 is reflected by the light reflecting cup assembly 400, returns from the original path, and is emitted from the light guiding portion 310. In this embodiment, the reflective cup assembly 400 is located above the lamp bead 200, and the light guide portion 310 is located below the lamp bead 200, so that the light of the lamp bead 200 is reflected by the reflective cup assembly 400 and then emitted from the light guide portion 310 below.
As shown in fig. 1, in one embodiment, the light guide plate 300 includes a plate body 320 and the light guide portion 310, the plate body 320 is respectively connected to the light guide portion 310 and the main housing 100, the light guide portion 310 is connected to the lamp beads 200, the light guide portion 310 is provided with a light outlet slot 311, and the light outlet slot 311 is used for emitting light reflected by the light reflecting cup assembly 400 from the light guide portion 310. It can be understood that the plate 320 is fixedly connected with the main housing 100, the light guiding portion 310 is provided with a light emitting slot 311, and the light emitting slot 311 is disposed opposite to the light reflecting cup assembly 400, so that the light of the lamp bead 200 is reflected by the light reflecting cup assembly 400 and then emitted from the light emitting slot 311.
In one embodiment, the plate 320 and the light guide 310 are integrally formed. It can be appreciated that the plate body 320 and the light guide portion 310 are manufactured through an integral injection molding process to improve the structural strength between the plate body 320 and the light guide portion 310.
As shown in fig. 1, in one embodiment, the light guide portion 310 includes a plurality of light guide columns 312 and a light guide disc 313, two ends of each light guide column 312 are respectively connected to the light guide disc 313 and the plate body 320, the lamp beads 200 are connected to the light guide disc 313, and the light outlet slot 311 is formed by the space enclosed by two adjacent light guide columns 312, the plate body 320 and the light guide disc 313. It can be understood that the lamp beads 200 are located above the light guiding disc 313, and the light guiding columns 312 and the light guiding disc 313 are made of acrylic material, so that the light emitted by the lamp beads 200 is reflected by the light reflecting cup assembly 400, and then the light guiding columns 312, the light guiding disc 313 and the light emitting slots 311 are emitted, i.e. the whole light guiding portion 310 can emit light.
As shown in fig. 1, in one embodiment, the number of the light emitting slots 311 is plural, so that the light of the lamp beads 200 is reflected by the reflective cup assembly 400 and then emitted from the light emitting slots 311.
As shown in fig. 1, in one embodiment, each of the light emitting slots 311 has a fan shape. Of course, in other embodiments, the light emitting slot 311 may also have a semicircular shape, a rectangular shape, or the like.
As shown in fig. 4, in one embodiment, the reflector cup assembly 400 includes a mounting frame 410 and a reflector cup 420, the reflector cup 420 is fixedly connected to the mounting frame 410, and the mounting frame 410 is connected to the main housing 100. It can be appreciated that the reflective cup 420 is mounted in the receiving chamber 110 of the main housing 100 through the mounting frame 410, so that the linear lamp is compact in structure, reflects light in a limited space and extends an optical path, so that the light glare value of the linear lamp is low.
As shown in fig. 2, in one embodiment, the number of the lamp beads 200 is plural, the number of the light reflecting cup bodies 420 is plural, the number of the light guiding portions 310 is plural, and each of the lamp beads 200 is disposed opposite to the corresponding light reflecting cup body 420 and light guiding portion 310. It will be appreciated that the length of the linear lamp may be extended to meet different lighting scenarios for the design requirements.
As shown in fig. 3, in one embodiment, the direct type anti-dazzle linear lamp 10 further includes a screw connection member 500, the main housing 100 is provided with a first screw connection hole, the mounting frame 410 is provided with a second screw connection hole adapted to the first screw connection hole, and the screw connection member 500 sequentially penetrates through the first screw connection hole and the second screw connection hole, so that the reflector cup assembly 400 is screw-connected with the main housing 100 through the screw connection member 500. It can be appreciated that the reflector cup assembly 400 is mounted to the receiving cavity 110 in the main housing 100 by the screw 500, so that the linear lamp is compact. In this embodiment, the screw 500 is a screw.
The application also provides a lamplight system, which comprises the direct type anti-dazzle linear lamp 10 in any embodiment.
Compared with the prior art, the utility model has at least the following advantages:
the direct type anti-dazzle linear lamp comprises a light guide plate, wherein the light guide plate is provided with a light guide part, a lamp bead is arranged on the light emitting side of the lamp bead, and a light reflecting cup assembly is arranged opposite to the light guide part, so that light emitted by the lamp bead firstly irradiates the light reflecting cup assembly and then is reflected, the reflected light irradiates the light guide part from the original direction, so that the light is emitted from the light guide part, namely, the light glare value emitted by the light guide part is lower through the optical path of the prolonged light and the optical effect of the light reflecting cup assembly, and further, the anti-dazzle function of the linear lamp is better. Furthermore, as the reflecting cup component is arranged in the accommodating cavity in the main shell, compared with the traditional linear lamp which needs an anti-dazzle grille cover at the outer side of the main shell, the structure of the anti-dazzle grille cover is more compact and simpler.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The direct type anti-dazzle linear lamp comprises a main shell, a lamp bead and a light guide plate, wherein the light guide plate is provided with a light guide part, the lamp bead is arranged on the light guide part, the light guide plate is connected with the main shell, and is characterized in that,
The direct type anti-dazzle linear lamp further comprises a light reflecting cup assembly, a containing cavity is formed in the main shell, the light reflecting cup assembly is located in the containing cavity and connected with the main shell, the light reflecting cup assembly is located on the light emitting side of the lamp bead, and the light guide portion is arranged opposite to the light reflecting cup assembly, so that light reflected by the light reflecting cup assembly is emitted from the light guide portion.
2. The direct type antiglare linear lamp according to claim 1, wherein the lamp bead is located between the light guide and the reflector cup assembly.
3. The direct type antiglare linear lamp according to claim 1, wherein the light guide plate comprises a plate body and a light guide portion, the plate body is respectively connected with the light guide portion and the main housing, the light guide portion is connected with the lamp beads, the light guide portion is provided with a light emitting groove, and the light emitting groove is used for emitting light reflected by the reflecting cup assembly from the light guide portion.
4. The direct type antiglare linear lamp according to claim 3, wherein the plate body and the light guide are integrally formed.
5. The direct type antiglare linear lamp according to claim 3, wherein the light guide part comprises a plurality of light guide columns and light guide discs, two ends of each light guide column are respectively connected with the light guide discs and the plate body, the lamp beads are connected with the light guide discs, and the light outlet grooves are formed by the adjacent two light guide columns, the plate body and the space surrounded by the light guide discs.
6. The direct type antiglare linear lamp according to claim 3, wherein the number of the light-emitting grooves is plural; and/or the number of the groups of groups,
Each light emitting groove is in a fan shape.
7. The direct-lit anti-glare linear lamp of claim 1, wherein the reflector cup assembly comprises a mounting bracket and a reflector cup, the reflector cup being fixedly connected to the mounting bracket, the mounting bracket being connected to the main housing.
8. The direct type antiglare linear lamp according to claim 7, wherein the number of the lamp beads is plural, the number of the reflecting cup bodies is plural, the number of the light guiding parts is plural, and each of the lamp beads is disposed opposite to the corresponding reflecting cup body and light guiding part.
9. The direct type anti-dazzle linear lamp according to claim 7, further comprising a screw-connection member, wherein the main housing is provided with a first screw-connection hole, the mounting frame is provided with a second screw-connection hole adapted to the first screw-connection hole, and the screw-connection member sequentially penetrates through the first screw-connection hole and the second screw-connection hole.
10. A lighting system comprising the direct type antiglare linear lamp according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014499.9U CN220817547U (en) | 2023-07-28 | 2023-07-28 | Direct type anti-dazzle linear lamp and lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014499.9U CN220817547U (en) | 2023-07-28 | 2023-07-28 | Direct type anti-dazzle linear lamp and lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220817547U true CN220817547U (en) | 2024-04-19 |
Family
ID=90711197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014499.9U Active CN220817547U (en) | 2023-07-28 | 2023-07-28 | Direct type anti-dazzle linear lamp and lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220817547U (en) |
-
2023
- 2023-07-28 CN CN202322014499.9U patent/CN220817547U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106439566B (en) | LED strip-shaped lamp | |
| US10156328B2 (en) | LED bar lighting and exhibition cabinet having same | |
| CN212204114U (en) | Polarized light lamp | |
| CN110671680A (en) | Strip-shaped illuminating lamp | |
| US11047536B2 (en) | Tubular LED fixture | |
| CN213333926U (en) | Optical device and lighting lamp | |
| CN210687843U (en) | Lamp set | |
| CN220817547U (en) | Direct type anti-dazzle linear lamp and lighting system | |
| CN221402824U (en) | Optical system for end light-entering type ultra-thin stereoscopic effect atmosphere lamp | |
| CN213207543U (en) | a lighting fixture | |
| CN213513426U (en) | Optical device and lighting lamp | |
| CN106895326B (en) | Lens and lighting device using same | |
| CN220623824U (en) | Multi-optical function selectable multi-lens single body lighting device and lighting system | |
| US5911498A (en) | Luminaire | |
| CN216715916U (en) | Anti-dazzle lamp | |
| CN211011214U (en) | Grille and lamp | |
| CN210687896U (en) | Light distribution assembly and lighting lamp | |
| CN108679510B (en) | Decorative lamp mounting structure and refrigerator | |
| CN222392729U (en) | Two-stage dimming lighting fixture with integrated reflective light guide cover | |
| EP3521693B1 (en) | Light-diffusing lamp shade and panel lamp having same | |
| CN219976192U (en) | Anti-dazzle key lighting lamp and lighting system | |
| CN220623820U (en) | Integrated light source driving module and ceiling lamp | |
| CN213177803U (en) | LED linear lamp | |
| CN218863947U (en) | Ceiling lamp with light modeling | |
| CN216408687U (en) | Classroom lamp with good illumination effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |