WO2014205714A1 - 一种荧光板 - Google Patents

一种荧光板 Download PDF

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Publication number
WO2014205714A1
WO2014205714A1 PCT/CN2013/078118 CN2013078118W WO2014205714A1 WO 2014205714 A1 WO2014205714 A1 WO 2014205714A1 CN 2013078118 W CN2013078118 W CN 2013078118W WO 2014205714 A1 WO2014205714 A1 WO 2014205714A1
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WO
WIPO (PCT)
Prior art keywords
shell
edge
panel according
fluorescent panel
wall
Prior art date
Application number
PCT/CN2013/078118
Other languages
English (en)
French (fr)
Inventor
谢虹
Original Assignee
Xie Hong
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 Xie Hong filed Critical Xie Hong
Publication of WO2014205714A1 publication Critical patent/WO2014205714A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/004—Repeatedly-usable boards or tablets for writing or drawing with illuminating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/001—Supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing

Definitions

  • the present invention relates to the field of household appliances, and more particularly to a fluorescent panel. ⁇ Background technique ⁇
  • fluorescent plates on the market also known as fluorescent handwriting plates, LED electronic handwriting fluorescent plates, LED fluorescent plates, electronic fluorescent plates or cable fluorescent plates
  • fluorescent handwriting plates are written on a fluorescent plate with a highlighter, plugged in a power supply, and passed through a fluorescent light.
  • the LED highlighting patch light on the side of the board illuminates the acrylic panel or the ultra-white glass panel.
  • the words written by the highlighter emit unwanted colors and different modes of effect, which is very attractive.
  • Fluorescent panels are mainly used in: electronics industry, catering industry, communications industry, stationery industry, gift jewelry industry and so on.
  • the applicant has designed a fluorescent plate, which is a rectangular parallelepiped having a plate-like structure, and has a height much smaller than the length and width, and includes a casing, a circuit board fixed to the casing by screws, and is fixed to the casing by tape bonding.
  • the panel, the highlighter written on the panel, the battery for power supply, and the alarm clock, the alarm clock includes a display for displaying time, a button for adjusting time, and a speaker for sounding. Since the fluorescent plate is provided with a battery, it is convenient to use anytime and anywhere, and the fluorescent plate is small in size and convenient to carry; and because of the alarm clock, people can write on the fluorescent board at what time, and then perform timing.
  • the housing comprises a face shell and a rear shell fixed to the shell by screws, and the number of screws is four, which are respectively located at the four corners of the shell. This program is not disclosed. However, the side wall connection between the housings is not tight, so that the fixing of the housing is not strong, which easily damages the components inside the housing.
  • the technical problem to be solved by the present invention is to provide a fluorescent plate with a tightly connected casing.
  • a fluorescent plate comprising a casing, the casing comprising a face shell and a rear shell fixed to the shell by screws, the shell being provided with a face shell And back shell Tightly fitting fixtures.
  • the fixing device is a limiting member disposed on the edge of the inner side wall of the surface shell, and the limiting member and the inner side wall of the rear housing are closely fitted when the surface shell and the rear shell are fixed.
  • a limiting member is arranged on the edge of the side wall of the shell, firstly, the edge of the shell shell is used for limiting, and then the limiting member and the rear shell are closely matched, so that the limiting shell is also limited by the limiting member, even if the shell and the back are When the side walls of the shell are pressed inward, the side walls will not expand and contract inward, and no gap will be formed between the side walls, thus ensuring the tightness of the connection between the face shell and the back shell.
  • the inner side wall edge of the surface shell is provided with a downward recess
  • the inner side wall edge of the rear shell is provided with an upward convex edge
  • the convex edge is placed at the recess.
  • the flanges and recesses cooperate to make the connection between the face shell and the back shell tighter and prevent voids.
  • the fluorescent board further comprises a circuit board, wherein the circuit board is fixed on the upper edge of the surface shell by screws, and the surface shell is provided with a screw hole column matched with the circuit board, and the screw hole column and the side wall of the shell shell are arranged There are ribs.
  • the reinforcing ribs are provided to enhance the strength of the side wall of the face shell, preventing the side wall of the shell from compressing inwardly and damaging the circuit board.
  • the face shell has a rectangular cross section, and the limiting members are at least three, respectively located at a lower portion and two sides of the surface shell. Since the upper side wall and the screw hole of the face shell are provided with reinforcing ribs, the other side walls are respectively provided with limiting members.
  • the limiting members are six, and the two lower limiting members are arranged at intervals, and the two limiting members on the two sides are also spaced apart. Two spacers are arranged on each side wall, so that the limit effect is better.
  • the limiting member is a plate-like structure, and the limiting member is provided with a chamfer near the sidewall end of the surface shell. Set the chamfering angle to facilitate the convex edge of the back shell to be placed in the recess to match the recess.
  • the fixing device is a limiting member disposed at an edge of the inner side wall of the rear casing.
  • the limiting member is closely adhered to the inner side wall of the surface shell; the inner side wall edge of the rear shell is provided downward.
  • the inner side wall edge of the surface shell is provided with an upward convex edge, and the convex edge is placed at the recess. This is one way to set the limiter.
  • the rear case is provided with outwardly convex protrusions, and the rear case has a rectangular cross section, There are four bumps located at the four corners of the rear shell. A bump is provided to support the fluorescent plate to prevent wear of the rear case.
  • the bumps are generally hemispherical, and the inner surface of the rear shell is provided with hemispherical recesses along the bumps.
  • This is a structure in which the bumps are provided, and the grooves are provided to save material.
  • the fixing device since a fixing device is disposed on the casing of the fluorescent plate, the fixing device maintains a close fit between the face shell and the rear shell, so that the fixing device prevents the side walls of the face shell and the rear shell from being pressed inwardly. Internally telescopic, thereby avoiding gaps between the side walls and preventing damage to the components inside the casing, thus ensuring the tightness of the connection between the face shell and the back shell.
  • Figure 1 is a view showing the overall structure of a fluorescent plate of the present invention
  • FIG. 2 is a schematic structural view of a face shell according to an embodiment of the present invention.
  • FIG 3 is a schematic structural view of a rear case according to an embodiment of the present invention.
  • the invention discloses a fluorescent plate, comprising a casing.
  • the casing comprises a face shell 2 and a rear shell 5 fixed to the shell 2 by screws, and the shell is provided with A fixing device in which the face shell 2 and the rear case 5 are closely fitted.
  • the fixing means since a fixing means is provided on the casing of the fluorescent plate 1, the fixing means maintains a close fit between the face shell 2 and the rear case 5, so that the fixing means prevents the side walls of the face shell 2 and the rear case 5 from being inwardly received. When it is squeezed, it is inwardly stretched, thereby avoiding a gap between the side walls and preventing damage of the components inside the casing, thus ensuring the tightness of the connection between the face shell 2 and the rear shell 5.
  • the fluorescent plate 1 further includes a circuit board fixed to the casing by screws, a panel 3 fixed to the casing by tape bonding, a highlighter pen written on the panel 3, a battery for supplying power, and Make trouble
  • the clock, the alarm clock includes a display screen 4 for displaying time, a button for adjusting time, and a speaker for sounding. Since the fluorescent plate 1 is provided with a battery, it is convenient to use anytime and anywhere, and the fluorescent plate is small in size and convenient to carry; and because of the alarm clock, people can write on the fluorescent plate 1 at what time, and then proceed Timing, when the time horn will ring, the user will be prompted to avoid the user forgetting and improve the efficiency of the work.
  • the fluorescent plate 1 has a rectangular parallelepiped shape as a whole, and the height is much smaller than the length and width.
  • the fixing device is a limiting member 21 disposed on the inner side edge of the face shell 2, and the limiting member 21 and the rear housing 5 are fixed when the face shell 2 and the rear shell 5 are fixed.
  • the inner side walls fit snugly.
  • the limiting member 21 is disposed on the side edge of the side wall of the face shell 2, firstly, the edge of the surface shell 2 is used for limiting, and then the limiting member 21 and the rear housing 5 are closely matched, so that the rear housing 5 is also restricted by the limiting member 21.
  • the inner side wall edge of the face shell 2 is provided with a downward recess 22, and the inner side wall edge of the rear shell 5 is provided with an upward convex edge 52, and the convex edge 52 is placed at the recess 22; the convex edge 52 Cooperating with the recess 22, the connection between the face shell 2 and the rear shell 5 is made closer to prevent the occurrence of voids.
  • the fluorescent plate 1 further includes a circuit board, and the circuit board is fixed to the upper edge of the face shell 2 by screws, and the surface shell 2 is provided with a screw hole column, a screw hole column and a surface, which are matched with the circuit board.
  • a reinforcing rib 23 is disposed between the side walls of the shell; the reinforcing rib 23 is provided to enhance the strength of the side wall of the surface shell 2, and the side wall of the shell is prevented from being compressed inward to damage the circuit board.
  • the face shell 2 has a rectangular cross section, and the limiting members 21 are at least three, respectively located at the lower portion and the two sides of the face shell 2; since the upper side wall of the face shell and the screw holes are provided with the reinforcing ribs 23, The other side walls are respectively provided with a limiting member 21. More specifically, the limiting member 21 is six, and the two lower limiting members 21 of the surface shell 2 are spaced apart, and the two limiting members 21 are also spaced apart on both sides; two spacing arrangements are arranged on each side wall. The limit member 21, the limit effect is better.
  • the limiting member 21 is a plate-like structure, and the limiting member 21 is provided with a chamfer near the side wall of the surface shell; the chamfering is provided to facilitate the placement of the convex edge 52 of the rear housing 5 to the recess 22 Cooperating with the recess 22.
  • the rear case 5 is provided with outwardly convex protrusions, and the rear case 5 has a rectangular cross section, and the protrusions are four, respectively located at the four corners of the rear case 5.
  • Setting a bump for supporting the fluorescent plate 1 Prevent wear of the rear shell 5.
  • an anti-slip mat may be provided at the bottom of the bump.
  • the bump is entirely hemispherical, and the inner surface of the rear case 5 is provided with a hemispherical groove 51 along the bump. This is a structure in which the bump is provided, and the groove 51 is provided to save material.
  • other structures may be provided for supporting the fluorescent plate 1 and an anti-slip mat is provided.
  • the fluorescent plate 1 of the present invention is provided with a limiting member 21 on the surface shell to limit the side wall of the housing.
  • a limiting member can be disposed on the rear housing 5 for limiting.
  • the fixing device is a limiting member disposed at an edge of the inner side wall of the rear case, the limiting member is closely attached to the inner side wall of the surface shell when the surface shell and the rear shell are fixed; the inner side wall edge of the rear shell is provided with a downward recess, and the inner side wall edge of the outer shell is provided There is an upward convex edge which is placed at the depression.
  • the other settings are the same as the limit set of the face shell, which can achieve an approximate effect.

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  • Casings For Electric Apparatus (AREA)

Abstract

一种荧光板（1），包括壳体，所述壳体包括面壳（2）和与面壳（2）通过螺丝固定的后壳（5），所述壳体上设有使面壳（2）和后壳（5）紧密配合的固定装置。由于在荧光板（1）的壳体上设置一固定装置，固定装置保持面壳（2）和后壳（5）之间紧密配合，从而就避免了面壳（2）和后壳（5）的侧壁在受到向内的挤压时向内伸缩，进而避免侧壁之间产生缝隙，防止壳体内部的器件受损，这样就保证了面壳（2）和后壳（5）之间连接的紧密性。

Description

一种荧光板
【技术领域】
本发明涉及家用电器领域， 更具体的说， 涉及一种荧光板。 【背景技术】
目前市场上的荧光板， 又称为荧光手写板、 LED电子手写荧光板、 LED荧 光板、 电子荧光板或索彩荧光板等， 是用荧光笔写在荧光板上， 插上电源， 通 过荧光板侧面的 LED高亮贴片光源照射到亚克力面板或是超白玻璃面板上， 通 过荧光笔写出的字来发出不用的颜色， 和不同模式的效果， 非常吸引人的眼光。 荧光板主要用于： 电子行业、 餐饮行业、 通信行业、 文具行业、 礼品饰品行业 等等。
本申请人设计了一种荧光板， 整体呈板状结构的长方体， 且高度远小于长 和宽， 包括壳体、 通过螺丝固定在壳体上的电路板、 通过胶带粘合固定在壳体 上的面板、 在面板上书写的荧光笔、 用于供电的电池以及闹钟， 闹钟包括用于 显示时间的显示屏、 调节时间的按键以及出音的喇叭。 由于荧光板设置有电池， 从而就方便随时随地使用， 而且荧光板体积小， 方便携带； 又由于设有闹钟， 进而人们可以在荧光板上写上需要在什么时间做什么事， 然后进行定时， 到时 间喇叭就会响， 就提示使用者， 避免使用者忘记， 提高了办事效率。 且壳体包 括面壳和与面壳通过螺丝固定的后壳， 螺丝固定的个数为四个， 分别位于壳体 的四个角处。 本方案未公开。 但是， 壳体之间的侧壁连接就会不紧密， 从而导 致壳体的固定就不牢固， 这样就容易损坏壳体内部的器件。
【发明内容】
本发明所要解决的技术问题是提供一种壳体连接紧密的荧光板。
本发明的目的是通过以下技术方案来实现的： 一种荧光板， 包括壳体， 所 述壳体包括面壳和与面壳通过螺丝固定的后壳， 所述壳体上设有使面壳和后壳 紧密配合的固定装置。
优选的， 所述固定装置为设置在面壳内侧壁边沿的限位件， 当面壳和后壳 固定时限位件与后壳内侧壁紧密贴合。 在面壳侧壁边沿设置限位件， 首先对面 壳边沿起到限位作用， 然后限位件和后壳紧密配合， 从而通过限位件也对后壳 进行了限位， 即使面壳和后壳的侧壁都受到向内的挤压时， 侧壁也不会向内伸 缩， 而且侧壁之间也不会产生空隙， 这样就保证了面壳和后壳之间连接的紧密 性。
优选的， 所述面壳内侧壁边沿设有向下的凹陷， 后壳内侧壁边沿设有向上 的凸沿， 所述凸沿放置在凹陷处。 凸沿和凹陷配合， 使面壳和后壳之间的连接 更加紧密， 防止出现空隙。
优选的， 所述荧光板还包括电路板， 电路板通过螺丝固定在面壳的上部边 沿处， 面壳上设有与电路板配合的螺丝孔柱， 螺丝孔柱和面壳侧壁之间设有加 强筋。 设置加强筋增强面壳侧壁的强度， 防止面壳侧壁向内压缩而损害电路板。
优选的， 所述面壳的横截面为矩形， 所述限位件至少为三个， 分别位于面 壳的下部和两侧。 由于面壳上侧壁和螺丝孔配合设有加强筋， 则其它侧壁分别 设有限位件。
优选的， 所述限位件为六个， 面壳下部两个限位件间隔布置， 两侧分别两 个限位件也间隔布置。 每个侧壁上设置两个间隔布置的限位件， 这样限位效果 就更佳。
优选的， 所述限位件为板状结构， 所述限位件靠近面壳侧壁端设有削角。 设置削角方便后壳的凸沿放置到凹陷处与凹陷配合。
优选的， 所述固定装置为设置在后壳内侧壁边沿的限位件， 当面壳和后壳 固定时限位件与面壳内侧壁紧密贴合； 所述后壳内侧壁边沿设有向下的凹陷， 面壳内侧壁边沿设有向上的凸沿， 所述凸沿放置在凹陷处。 这是设置限位件的 一种方式。
优选的， 所述后壳设有向外凸出的凸块， 所述后壳的横截面为矩形， 所述 凸块为四个， 分别位于后壳的四个角处。 设置凸块用于支撑荧光板， 防止磨损 后壳。
优选的， 所述凸块整体呈半球形， 且后壳内表面沿着凸块设有半球形的凹 槽。 这是设置凸块的一种结构， 设置凹槽节省材料。
本发明由于在荧光板的壳体上设置一固定装置， 固定装置保持面壳和后壳 之间紧密配合， 从而固定装置就避免面壳和后壳的侧壁在受到向内的挤压时向 内伸缩， 进而避免侧壁之间产生缝隙， 防止壳体内部的器件受损， 这样就保证 了面壳和后壳之间连接的紧密性。
【附图说明】
图 1是本发明所述荧光板的整体结构图；
图 2是本发明实施例所述面壳的结构示意图；
图 3是本发明实施例所述后壳的结构示意图。
其中： 1、 荧光板； 2、 面壳； 21、 限位件； 22、 凹陷； 23、 加强筋； 3、 面 板； 4、 显示屏； 5、 后壳； 51、 凹槽； 52、 凸沿。
【具体实施方式】
下面结合附图和较佳的实施例对本发明作进一步说明。
本发明公开一种荧光板， 包括壳体， 如图 1至图 3所示， 所述壳体包括面壳 2和与面壳 2通过螺丝固定的后壳 5 , 所述壳体上设有使面壳 2和后壳 5紧密配 合的固定装置。 本发明由于在荧光板 1 的壳体上设置一固定装置， 固定装置保 持面壳 2和后壳 5之间紧密配合， 从而固定装置就避免面壳 2和后壳 5的侧壁 在受到向内的挤压时向内伸缩， 进而避免侧壁之间产生缝隙， 防止壳体内部的 器件受损， 这样就保证了面壳 2和后壳 5之间连接的紧密性。
本发明所述的荧光板 1 , 还包括通过螺丝固定在壳体上的电路板、 通过胶带 粘合固定在壳体上的面板 3、在面板 3上书写的荧光笔、 用于供电的电池以及闹 钟， 闹钟包括用于显示时间的显示屏 4、 调节时间的按键以及出音的喇叭。 由于 荧光板 1 设置有电池， 从而就方便随时随地使用， 而且荧光板体积小， 方便携 带； 又由于设有闹钟， 进而人们可以在荧光板 1 上写上需要在什么时间做什么 事， 然后进行定时， 到时间喇叭就会响， 就提示使用者， 避免使用者忘记， 提 高了办事效率。 荧光板 1整体呈板状结构的长方体， 且高度远小于长和宽。
在本实施例中， 如图 2和图 3所示， 所述固定装置为设置在面壳 2内侧壁边 沿的限位件 21 , 当面壳 2和后壳 5固定时限位件 21与后壳 5内侧壁紧密贴合。 在面壳 2侧壁边沿设置限位件 21 , 首先对面壳 2边沿起到限位作用， 然后限位 件 21和后壳 5紧密配合， 从而通过限位件 21也对后壳 5进行了限位， 即使面 壳 2和后壳 5的侧壁都受到向内的挤压时， 侧壁也不会向内伸缩， 而且侧壁之 间也不会产生空隙， 这样就保证了面壳 2和后壳 5之间连接的紧密性。
在本实施例中， 所述面壳 2内侧壁边沿设有向下的凹陷 22,后壳 5内侧壁边 沿设有向上的凸沿 52, 所述凸沿 52放置在凹陷 22处； 凸沿 52和凹陷 22配合， 使面壳 2和后壳 5之间的连接更加紧密， 防止出现空隙。
在本实施例中， 所述荧光板 1还包括电路板， 电路板通过螺丝固定在面壳 2 的上部边沿处， 面壳 2上设有与电路板配合的螺丝孔柱， 螺丝孔柱和面壳侧壁 之间设有加强筋 23; 设置加强筋 23增强面壳 2侧壁的强度， 防止面壳侧壁向内 压缩而损害电路板。 所述面壳 2的横截面为矩形， 所述限位件 21至少为三个， 分别位于面壳 2的下部和两侧； 由于面壳上侧壁和螺丝孔配合设有加强筋 23 , 则其它侧壁分别设有限位件 21。 更具体的， 所述限位件 21为六个， 面壳 2下部 两个限位件 21 间隔布置， 两侧分别两个限位件 21也间隔布置； 每个侧壁上设 置两个间隔布置的限位件 21 , 这样限位效果就更佳。
在本实施例中， 所述限位件 21为板状结构， 所述限位件 21靠近面壳侧壁端 设有削角； 设置削角方便后壳 5的凸沿 52放置到凹陷 22处与凹陷 22配合。
在本实施例中， 所述后壳 5设有向外凸出的凸块， 所述后壳 5的横截面为矩 形，所述凸块为四个，分别位于后壳 5的四个角处；设置凸块用于支撑荧光板 1 , 防止磨损后壳 5。 为了防止滑动或磨损还可以在凸块底部设置防滑垫。 所述凸块 整体呈半球形， 且后壳 5内表面沿着凸块设有半球形的凹槽 51 , 这是设置凸块 的一种结构， 设置凹槽 51节省材料。 当然， 也可以设置其它结构用于支撑荧光 板 1 , 且设置防滑垫。
本发明所述荧光板 1在面壳上设置限位件 21对壳体的侧壁进行限位， 当然 也可以在后壳 5 上设置限位件进行限位， 具体如下， 所述固定装置为设置在后 壳内侧壁边沿的限位件， 当面壳和后壳固定时限位件与面壳内侧壁紧密贴合； 所述后壳内侧壁边沿设有向下的凹陷， 面壳内侧壁边沿设有向上的凸沿， 所述 凸沿放置在凹陷处。 其它设置和面壳设置的限位件相同， 能够起到近似的效果。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不能 认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技 术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推演或替换， 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种荧光板， 包括壳体， 所述壳体包括面壳和与面壳通过螺丝固定的后 壳， 其特征在于， 所述壳体上设有使面壳和后壳紧密配合的固定装置。
2、 如权利要求 1所述的荧光板， 其特征在于， 所述固定装置为设置在面壳 内侧壁边沿的限位件， 当面壳和后壳固定时限位件与后壳内侧壁紧密贴合。
3、 如权利要求 2所述的荧光板， 其特征在于， 所述面壳内侧壁边沿设有向 下的凹陷， 后壳内侧壁边沿设有向上的凸沿， 所述凸沿放置在凹陷处。
4、 如权利要求 2所述的荧光板， 其特征在于， 所述荧光板还包括电路板， 电路板通过螺丝固定在面壳的上部边沿处， 面壳上设有与电路板配合的螺丝孔 柱， 螺丝孔柱和面壳侧壁之间设有加强筋。
5、 如权利要求 4所述的荧光板， 其特征在于， 所述面壳的横截面为矩形， 所述限位件至少为三个， 分别位于面壳的下部和两侧。
6、 如权利要求 5所述的荧光板， 其特征在于， 所述限位件为六个， 面壳下 部两个限位件间隔布置， 两侧分别两个限位件也间隔布置。
7、 如权利要求 2所述的荧光板， 其特征在于， 所述限位件为板状结构， 所 述限位件靠近面壳侧壁端设有削角。
8、 如权利要求 1所述的荧光板， 其特征在于， 所述固定装置为设置在后壳 内侧壁边沿的限位件， 当面壳和后壳固定时限位件与面壳内侧壁紧密贴合； 所 述后壳内侧壁边沿设有向下的凹陷， 面壳内侧壁边沿设有向上的凸沿， 所述凸 沿放置在凹陷处。
9、 如权利要求 1或 2所述的荧光板， 其特征在于， 所述后壳设有向外凸出 的凸块， 所述后壳的横截面为矩形， 所述凸块为四个， 分别位于后壳的四个角 处。
10、 如权利要求 9所述的荧光板， 其特征在于， 所述凸块整体呈半球形， 且后壳内表面沿着凸块设有半球形的凹槽。
PCT/CN2013/078118 2013-06-25 2013-06-27 一种荧光板 WO2014205714A1 (zh)

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