WO2011098005A1 - Ceiling hanging sheet with decoration and illumination functions - Google Patents

Ceiling hanging sheet with decoration and illumination functions Download PDF

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Publication number
WO2011098005A1
WO2011098005A1 PCT/CN2011/070786 CN2011070786W WO2011098005A1 WO 2011098005 A1 WO2011098005 A1 WO 2011098005A1 CN 2011070786 W CN2011070786 W CN 2011070786W WO 2011098005 A1 WO2011098005 A1 WO 2011098005A1
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WO
WIPO (PCT)
Prior art keywords
decorative
lamp body
guide plate
light guide
light
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PCT/CN2011/070786
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French (fr)
Chinese (zh)
Inventor
陈晓锋
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中山市华电科技照明有限公司
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Publication of WO2011098005A1 publication Critical patent/WO2011098005A1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces

Definitions

  • the invention relates to a ceiling hanging piece, in particular to a ceiling hanging piece for use in a ceiling.
  • the ceiling of the ceiling is generally in the form of a gusset or a grille.
  • the style is monotonous and cannot bring a strong visual effect. Therefore, a hanging ceiling is appeared on the market, which is a variety of plates, metal or glass.
  • a ceiling form that is evenly suspended on the structural layer at a certain distance.
  • the ceiling has a certain modern sense, at night, due to insufficient light, the ceiling of the ceiling cannot show its decorative effect, and at the same time Its single function, no daily lighting function, it is difficult to meet the requirements of modern people.
  • the present invention provides a ceiling hanging piece having a decorative and lighting function.
  • a ceiling hanging piece having a decorative and lighting function comprising a lamp body attached to the keel by a connecting fastener, wherein the lower end of the lamp body is connected with a vertically placed double-sided transparent light guiding plate, wherein the light guiding plate is a transparent or translucent plate is formed, and a mesh pattern of reflection or refraction is disposed on each of the two surfaces, a decorative lamp cover is connected to the lower end of the light guide plate, and a downwardly illuminated light lamp is disposed in the decorative lamp cover, and the lamp body and the lamp body are ⁇ Or a decorative light strip is provided with a light strip for illuminating the light guide plate;
  • the lamp body comprises a lamp body mounting cavity, and a top of the lamp body mounting cavity is provided with a connecting groove attached to the connecting fastener, and a bottom of the lamp body mounting cavity extends inwardly with a light guide plate Light guide plate;
  • the decorative lampshade comprises a lamp body mounting cavity, and a light guiding plate with a light guiding plate is disposed at a top of the lamp body mounting cavity, and a pressing piece for accommodating the light emitting lamp extends at a lower portion of the lamp body mounting cavity.
  • the light guide plate is formed by laterally spacing the plurality of strip plates.
  • the invention has the beneficial effects that the power supply box controller in the product can control the light strip to perform dynamic flickering, thereby generating a double-sided light-emitting chic decorative light by the light guide plate illumination, and the product is also provided with a downward illumination.
  • the illuminating lamp has the dual effects of decoration and illumination, and can be widely applied to ceiling decoration such as hotels, concert halls, exhibition halls, and movie halls.
  • Figure 1 is a cross-sectional view showing the structure of the present invention
  • Figure 2 is a schematic view of the structure of the present invention.
  • Figure 3 is a structural split view of the present invention.
  • a ceiling hanging piece with a decorative and lighting function includes a lamp body 1 attached to the keel 2 via a connecting fastener 3 , and the lower end of the lamp body 1 is connected vertically.
  • the double-sided light-transmitting light guide plate 5 is connected to the lower end of the light guide plate 5 with a decorative light cover 4, and the decorative light cover 4 is provided with a downwardly illuminated light-emitting lamp 6, and the light-emitting body 1 and/or the decorative light cover 4 are provided with a light-guiding guide
  • the light bar 7 of the light panel 5 is an LED light bar, and the keel 2 can be provided with a power box controller for controlling the blinking effect of the light bar 7.
  • the lamp body 1 includes a lamp body mounting cavity 11 , and the left and right sides of the lamp body mounting cavity 11 are provided with a card slot 14 for accommodating the light bar 7 , and the top of the lamp body mounting cavity 11 is provided with a connecting fastener A three-phase connection slot 12 is defined, and a light guide plate 13 that sandwiches the light guide plate 5 extends inwardly from the bottom of the lamp body mounting cavity 11.
  • the light guide plate 13 and the light guide plate 5 are fixedly connected by bolts 8.
  • the decorative lampshade 4 includes a lamp body mounting cavity 41.
  • the left and right sides of the lamp body mounting cavity 41 are provided with a card slot 44 for accommodating the light bar 7 .
  • the lamp body mounting cavity 41 has a clipped light guide plate extending from the top.
  • the light-receiving plate 42 of the light-shielding plate 42 and the light-guiding plate 5 are fixedly connected by bolts 9; the lower part of the lamp body mounting cavity 11 extends with a pressing piece 43 for accommodating the light-emitting lamp 6, in order to make the light-emitting lamp 6 emit
  • the light is concentrated downwardly, and the tablet 43 is arranged in a figure eight shape.
  • the lamp body 1 and the decorative lampshade 4 are not limited to the above-described embodiments, and as long as they achieve the technical effects of the present invention by substantially the same means, they are all within the scope of protection of the present invention.
  • the light guide plate 5 is made of a transparent or translucent plate to realize double-sided light transmission, and the light guide plate 5 may also be arranged by a plurality of strip-shaped plates laterally spaced apart. A mesh pattern of reflection or refraction is disposed on each of the two surfaces, and the mesh pattern is a concave-convex point or a light-guiding ink dot or a double-sided silk screen pattern on the light guide plate, which may be uniformly arranged dots, squares, and the like. According to actual needs, the light guide plate 5 may also be a hollow structure to form different pattern shapes.
  • the power box controller in the product can control the light strip 7 to perform dynamic flickering, thereby illuminating through the light guide plate 5 to generate a chic decorative light with double-sided illumination, and further, the product is also provided with a downwardly illuminating light 6 With the dual effects of decoration and lighting, it can be widely used in ceiling decoration of hotels, concert halls, exhibition halls, film and television halls.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)

Abstract

A ceiling hanging sheet with decoration and illumination functions includes a lamp body (1) connected to keels (2) through connection buckles (3); the lower end of the lamp body (1) is connected with a double-surfaced light transmitting light guide plate (5), which is arranged vertically and made of a transparent or a semi-transparent plate; the two surfaces of the light guide plate (5) are respectively provided with net-like patterns with reflective or refractive function; the lower end of the light guide plate (5) is connected with a decorative lampshade (4), in which a luminous lamp (6) illuminating downwards is arranged; the lamp body (1) and / or the decorative lampshade (4) are/ is provided with luminous lamp strips (7) / a luminous lamp strip (7) illuminating the light guide plate (5) inside; a power supply box controller controls the luminous lamp strip (7) to flicker dynamically.

Description

[根据细则37.2由ISA制定的发明名称]　一种具有装饰及照明功能的天花板挂片 [Name of invention made by ISA according to Rule 37.2] A ceiling mount with decorative and lighting functions
技术领域Technical field
本发明涉及一种天花挂片，特别是一种用于吊顶使用的天花挂片。The invention relates to a ceiling hanging piece, in particular to a ceiling hanging piece for use in a ceiling.
背景技术Background technique
目前，天花吊顶一般采用扣板或者格栅的结构形式，款式单调，无法带来较强的视觉效果，于是市面上出现了一种悬吊式天花吊顶，其是将各种板材、金属或玻璃按照一定的距离均匀悬挂在结构层上的一种吊顶形式，这种天花虽然具有一定的现代感，但是在夜晚的时候，由于光线不足，该天花吊顶无法显现出其应有的装饰效果，同时其功能单一，没有日常照明的功能，从而难以符合现代人们的使用要求。At present, the ceiling of the ceiling is generally in the form of a gusset or a grille. The style is monotonous and cannot bring a strong visual effect. Therefore, a hanging ceiling is appeared on the market, which is a variety of plates, metal or glass. a ceiling form that is evenly suspended on the structural layer at a certain distance. Although the ceiling has a certain modern sense, at night, due to insufficient light, the ceiling of the ceiling cannot show its decorative effect, and at the same time Its single function, no daily lighting function, it is difficult to meet the requirements of modern people.
发明内容Summary of the invention
为了克服现有技术的不足，本发明提供一种具有装饰及照明功能的天花挂片。In order to overcome the deficiencies of the prior art, the present invention provides a ceiling hanging piece having a decorative and lighting function.
本发明解决其技术问题所采用的技术方案是：The technical solution adopted by the present invention to solve the technical problem thereof is:
一种具有装饰及照明功能的天花挂片，其包括通过连接扣件挂接在龙骨上的灯体，所述灯体下端连接有垂直放置的双面透光导光板，所述导光板是由透明或半透明板制作而成，其两表面上分别设置有反射或折射作用的网状图案，导光板下端连接有装饰灯罩，装饰灯罩内设置有向下照明的发光灯，所述灯体和\或装饰灯罩内设置有点亮导光板的发光灯条；A ceiling hanging piece having a decorative and lighting function, comprising a lamp body attached to the keel by a connecting fastener, wherein the lower end of the lamp body is connected with a vertically placed double-sided transparent light guiding plate, wherein the light guiding plate is a transparent or translucent plate is formed, and a mesh pattern of reflection or refraction is disposed on each of the two surfaces, a decorative lamp cover is connected to the lower end of the light guide plate, and a downwardly illuminated light lamp is disposed in the decorative lamp cover, and the lamp body and the lamp body are \ Or a decorative light strip is provided with a light strip for illuminating the light guide plate;
作为上述技术方案的改进，所述灯体包括灯体安装腔，灯体安装腔顶部设置有与连接扣件相挂接的连接槽，所述灯体安装腔底部向内延伸有夹装导光板的引光板；As a modification of the above technical solution, the lamp body comprises a lamp body mounting cavity, and a top of the lamp body mounting cavity is provided with a connecting groove attached to the connecting fastener, and a bottom of the lamp body mounting cavity extends inwardly with a light guide plate Light guide plate;
作为上述技术方案的进一步改进，所述装饰灯罩包括灯体安装腔，灯体安装腔顶部延伸有夹装导光板的引光板，所述灯体安装腔下部延伸有夹装发光灯的压片。As a further improvement of the above technical solution, the decorative lampshade comprises a lamp body mounting cavity, and a light guiding plate with a light guiding plate is disposed at a top of the lamp body mounting cavity, and a pressing piece for accommodating the light emitting lamp extends at a lower portion of the lamp body mounting cavity.
进一步，所述导光板由多段条形板横向间隔排列而成。Further, the light guide plate is formed by laterally spacing the plurality of strip plates.
本发明的有益效果是：本产品内的电源盒控制器能够控制发光灯条进行动态闪烁，从而通过导光板照射产生出双面发光的别致装饰灯光，另外，该产品还设置有向下照明的发光灯，从而具有装饰和照明的双重效果，可以广泛应用于宾馆、音乐厅、展馆、影视厅等吊顶装饰上。The invention has the beneficial effects that the power supply box controller in the product can control the light strip to perform dynamic flickering, thereby generating a double-sided light-emitting chic decorative light by the light guide plate illumination, and the product is also provided with a downward illumination. The illuminating lamp has the dual effects of decoration and illumination, and can be widely applied to ceiling decoration such as hotels, concert halls, exhibition halls, and movie halls.
附图说明DRAWINGS
下面结合附图和实施例对本发明进一步说明。The invention will now be further described with reference to the drawings and embodiments.
图1是本发明的结构截面图；Figure 1 is a cross-sectional view showing the structure of the present invention;
图2是本发明的结构示意图；Figure 2 is a schematic view of the structure of the present invention;
图3是本发明的结构拆分图。Figure 3 is a structural split view of the present invention.
具体实施方式detailed description
参照图1、图2、图3，一种具有装饰及照明功能的天花挂片，其包括通过连接扣件3挂接在龙骨2上的灯体1，所述灯体1下端连接有垂直放置的双面透光导光板5，导光板5下端连接有装饰灯罩4，装饰灯罩4内设置有向下照明的发光灯6，所述灯体1和\或装饰灯罩4内设置有点亮导光板5的发光灯条7，所述发光灯条7为LED灯条，龙骨2上可以设置有控制发光灯条7闪烁效果的电源盒控制器。Referring to FIG. 1 , FIG. 2 and FIG. 3 , a ceiling hanging piece with a decorative and lighting function includes a lamp body 1 attached to the keel 2 via a connecting fastener 3 , and the lower end of the lamp body 1 is connected vertically. The double-sided light-transmitting light guide plate 5 is connected to the lower end of the light guide plate 5 with a decorative light cover 4, and the decorative light cover 4 is provided with a downwardly illuminated light-emitting lamp 6, and the light-emitting body 1 and/or the decorative light cover 4 are provided with a light-guiding guide The light bar 7 of the light panel 5 is an LED light bar, and the keel 2 can be provided with a power box controller for controlling the blinking effect of the light bar 7.
所述灯体1包括灯体安装腔11，所述灯体安装腔11的左、右两侧设置有夹装发光灯条7的卡槽14，灯体安装腔11顶部设置有与连接扣件3相挂接的连接槽12，所述灯体安装腔11底部向内延伸有夹装导光板5的引光板13，所述引光板13与导光板5之间通过螺栓8固定连接。The lamp body 1 includes a lamp body mounting cavity 11 , and the left and right sides of the lamp body mounting cavity 11 are provided with a card slot 14 for accommodating the light bar 7 , and the top of the lamp body mounting cavity 11 is provided with a connecting fastener A three-phase connection slot 12 is defined, and a light guide plate 13 that sandwiches the light guide plate 5 extends inwardly from the bottom of the lamp body mounting cavity 11. The light guide plate 13 and the light guide plate 5 are fixedly connected by bolts 8.
所述装饰灯罩4包括灯体安装腔41，所述灯体安装腔41的左、右两侧设置有夹装发光灯条7的卡槽44，灯体安装腔41顶部延伸有夹装导光板5的引光板42，所述引光板42与导光板5之间通过螺栓9固定连接；所述灯体安装腔11下部延伸有夹装发光灯6的压片43，为了使得发光灯6发出的光线集中向下照明，所述压片43呈八字型设置。The decorative lampshade 4 includes a lamp body mounting cavity 41. The left and right sides of the lamp body mounting cavity 41 are provided with a card slot 44 for accommodating the light bar 7 . The lamp body mounting cavity 41 has a clipped light guide plate extending from the top. The light-receiving plate 42 of the light-shielding plate 42 and the light-guiding plate 5 are fixedly connected by bolts 9; the lower part of the lamp body mounting cavity 11 extends with a pressing piece 43 for accommodating the light-emitting lamp 6, in order to make the light-emitting lamp 6 emit The light is concentrated downwardly, and the tablet 43 is arranged in a figure eight shape.
当然，灯体1以及装饰灯罩4并不局限于上述实施方式，只要其以基本相同的手段达到本发明的技术效果，都应属于本发明的保护范围。Of course, the lamp body 1 and the decorative lampshade 4 are not limited to the above-described embodiments, and as long as they achieve the technical effects of the present invention by substantially the same means, they are all within the scope of protection of the present invention.
本产品为了具有更好的装饰效果，所述导光板5是由透明或半透明板制作而成，从而实现双面透光，导光板5也可以是由多段条形板横向间隔排列而成，其两表面上分别设置有反射或折射作用的网状图案，所述网状图案为导光板上的凹凸点或导光油墨点或双面丝印图案，其可以是排列均匀的圆点、方块等，根据实际需要，导光板5还可以是为镂空结构，从而形成不同的图案形状。In order to have a better decorative effect, the light guide plate 5 is made of a transparent or translucent plate to realize double-sided light transmission, and the light guide plate 5 may also be arranged by a plurality of strip-shaped plates laterally spaced apart. A mesh pattern of reflection or refraction is disposed on each of the two surfaces, and the mesh pattern is a concave-convex point or a light-guiding ink dot or a double-sided silk screen pattern on the light guide plate, which may be uniformly arranged dots, squares, and the like. According to actual needs, the light guide plate 5 may also be a hollow structure to form different pattern shapes.
本产品内的电源盒控制器能够控制发光灯条7进行动态闪烁，从而通过导光板5照射产生出双面发光的别致装饰灯光，另外，该产品还设置有向下照明的发光灯6，从而具有装饰和照明的双重效果，可以广泛应用于宾馆、音乐厅、展馆、影视厅等吊顶装饰上。 The power box controller in the product can control the light strip 7 to perform dynamic flickering, thereby illuminating through the light guide plate 5 to generate a chic decorative light with double-sided illumination, and further, the product is also provided with a downwardly illuminating light 6 With the dual effects of decoration and lighting, it can be widely used in ceiling decoration of hotels, concert halls, exhibition halls, film and television halls.

Claims (10)

  1. 一种具有装饰及照明功能的天花挂片，其特征在于：包括通过连接扣件（3）挂接在龙骨（2）上的灯体（1），所述灯体（1）下端连接有垂直放置的双面透光导光板（5），所述导光板（5）是由透明或半透明板制作而成，其两表面上分别设置有反射或折射作用的网状图案，导光板（5）下端连接有装饰灯罩（4），装饰灯罩（4）内设置有向下照明的发光灯（6），所述灯体（1）和\或装饰灯罩（4）内设置有点亮导光板（5）的发光灯条（7）。 A ceiling piece having a decorative and lighting function, comprising: a lamp body (1) attached to a keel (2) by a connecting fastener (3), the lower end of the lamp body (1) being connected with a vertical a double-sided light-transmitting light guide plate (5) is disposed, and the light guide plate (5) is made of a transparent or translucent plate, and a mesh pattern of reflection or refraction is disposed on each of the two surfaces, and the light guide plate (5) a decorative lampshade (4) is connected to the lower end, and a downwardly illuminated illuminating lamp (6) is disposed in the decorative lampshade (4), and the illuminating light guide plate is disposed in the lamp body (1) and the decorative lampshade (4) (5) Light strip (7).
  2. 根据权利要求1所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述灯体（1）包括灯体安装腔（11），灯体安装腔（11）顶部设置有与连接扣件（3）相挂接的连接槽（12），所述灯体安装腔（11）底部向内延伸有夹装导光板（5）的引光板（13）。The ceiling hanging piece with decorative and lighting function according to claim 1, wherein the lamp body (1) comprises a lamp body mounting cavity (11), and the top of the lamp body mounting cavity (11) is provided with A connecting groove (12) is attached to the fastening member (3), and a light guiding plate (13) for sandwiching the light guiding plate (5) extends inwardly from the bottom of the lamp body mounting cavity (11).
  3. 根据权利要求2所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述灯体安装腔（11）的左、右两侧设置有夹装发光灯条（7）的卡槽（14）。The ceiling hanging piece with decorative and lighting function according to claim 2, characterized in that: the left and right sides of the lamp body mounting cavity (11) are provided with cards for accommodating the light bar (7) Slot (14).
  4. 根据权利要求2所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述引光板（13）与导光板（5）之间通过螺栓（8）固定连接。The ceiling clip with decorative and illumination function according to claim 2, characterized in that the light guide plate (13) and the light guide plate (5) are fixedly connected by bolts (8).
  5. 根据权利要求1所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述装饰灯罩（4）包括灯体安装腔（41），灯体安装腔（41）顶部延伸有夹装导光板（5）的引光板（42），所述灯体安装腔（11）下部延伸有夹装发光灯（6）的压片（43），所述压片（43）呈八字型设置。The ceiling hanging piece with decorative and lighting function according to claim 1, wherein the decorative lamp cover (4) comprises a lamp body mounting cavity (41), and the lamp body mounting cavity (41) has a clip extending from the top The light guide plate (42) of the light guide plate (5) is mounted, and the lower portion of the lamp body mounting cavity (11) extends with a pressing piece (43) for accommodating the light-emitting lamp (6), and the pressing piece (43) is arranged in a figure-eight shape. .
  6. 根据权利要求5所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述灯体安装腔（41）的左、右两侧设置有夹装发光灯条（7）的卡槽（44）。The ceiling hanging piece with decorative and lighting function according to claim 5, characterized in that: the left and right sides of the lamp body mounting cavity (41) are provided with cards for accommodating the light bar (7) Slot (44).
  7. 根据权利要求5所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述引光板（42）与导光板（5）之间通过螺栓（9）固定连接。The ceiling clip with decorative and illumination function according to claim 5, characterized in that the light guide plate (42) and the light guide plate (5) are fixedly connected by bolts (9).
  8. 根据权利要求1所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述导光板（5）由多段条形板横向间隔排列而成。The ceiling hanging piece with decorative and illumination function according to claim 1, wherein the light guiding plate (5) is formed by laterally spacing the plurality of strip-shaped plates.
  9. 根据权利要求1所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述导光板（5）的网状图案为导光板上的凹凸点或导光油墨点或双面丝印图案。The ceiling hanging piece with decorative and illumination function according to claim 1, wherein the mesh pattern of the light guiding plate (5) is a concave-convex spot or a light guiding ink dot or a double-sided silk screen on the light guiding plate. pattern.
  10. 根据权利要求1所述的一种具有装饰及照明功能的天花挂片，其特征在于：所述导光板（5）表面上设置有镂空图案。The ceiling hanging piece with decorative and illumination function according to claim 1, wherein the light guide plate (5) is provided with a hollow pattern on the surface thereof.
PCT/CN2011/070786 2010-02-11 2011-01-29 Ceiling hanging sheet with decoration and illumination functions WO2011098005A1 (en)

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