WO2011140952A1 - 等离子显示屏 - Google Patents

等离子显示屏 Download PDF

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Publication number
WO2011140952A1
WO2011140952A1 PCT/CN2011/073711 CN2011073711W WO2011140952A1 WO 2011140952 A1 WO2011140952 A1 WO 2011140952A1 CN 2011073711 W CN2011073711 W CN 2011073711W WO 2011140952 A1 WO2011140952 A1 WO 2011140952A1
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WO
WIPO (PCT)
Prior art keywords
plasma display
substrate
visible light
display panel
layer
Prior art date
Application number
PCT/CN2011/073711
Other languages
English (en)
French (fr)
Inventor
张俊兵
Original Assignee
四川虹欧显示器件有限公司
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Filing date
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Application filed by 四川虹欧显示器件有限公司 filed Critical 四川虹欧显示器件有限公司
Publication of WO2011140952A1 publication Critical patent/WO2011140952A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means

Definitions

  • a plasma display panel is a novel display device that emits light by gas discharge. Its biggest feature is light, thin, rich in color, easy to make a large picture and no viewing angle, which can be called an epoch-making display.
  • Device. 1 is a schematic cross-sectional view showing the structure of a discharge cell of a plasma display panel according to the related art. As shown in FIG. 1, the plasma display panel discharge unit includes: a rear substrate and a front substrate.
  • the rear substrate 2 is fabricated by first forming an address electrode line 21 on the rear glass substrate 20, then forming a dielectric layer 22 on the address electrode line 21, and then forming a barrier groove on the dielectric layer 22, after the barrier groove is formed. Then, a phosphor layer 24 is formed thereon, that is, a phosphor is deposited in the barrier groove, and the phosphor can generate visible light.
  • the rear substrate 2 is composed of a rear glass substrate 20, address electrode lines 21, a dielectric layer 22, a barrier groove, and a phosphor layer 24.
  • the upper surface of the barrier rib 23 and the dielectric layer 22 constitute a barrier groove, and the barrier rib 23 is vertically connected to the dielectric layer 22.
  • the front substrate 1 is prepared by first forming an ITO line 11 on the front glass substrate 10, forming a bus electrode 12 thereon, then covering the transparent dielectric layer 13, and finally forming a protective film layer by electron beam evaporation.
  • the protective film layer may be magnesium oxide (MgO) 14.
  • between the front substrate 1 and the rear substrate 2 is filled with an inert gas. After the discharge starts, the inert gas charged between the two glass substrates is excited, and a vacuum ultraviolet ray is emitted, and the vacuum ultraviolet ray excites the phosphor, the phosphor After being excited by vacuum ultraviolet light, visible light is emitted. The light passes through the front glass substrate and becomes visible light entering the viewer's eye.
  • the visible light emitted by the discharge unit is divided into two parts, and some of them are reflected by the barrier and the dielectric material.
  • the effective light of the eye, and part of it will be direct
  • the transmission of the rear medium and the rear glass substrate becomes ineffective light, and the ineffective light not only makes the light emitted by the discharge unit not effectively utilized, but also reduces the brightness of the PDP, and at the same time, the PDP light effect which is not high is compromised.
  • an effective solution has not been proposed yet.
  • a primary object of the present invention is to provide a plasma display panel having a higher brightness.
  • a plasma display panel is provided.
  • the high-resolution display screen according to the present invention comprises: a front substrate and a rear substrate, and a phosphor layer on the rear substrate, wherein the plasma display panel further comprises: a visible light reflecting film layer disposed on the rear substrate for emitting fluorescence The light emitted by the powder layer is reflected toward the front substrate.
  • the rear substrate may include a rear glass substrate; and, the visible light reflecting film layer is located on a front side or a rear side of the rear glass substrate.
  • the rear substrate may include a rear glass substrate; and, the visible light reflective film layer is attached to the front surface of the rear glass substrate.
  • the rear substrate may include a rear glass substrate; and, the visible light reflective film layer is attached to the rear surface of the rear glass substrate.
  • an aluminum backing plate located behind the rear glass substrate may be further included, and the visible light reflecting film layer is located between the rear glass substrate and the aluminum backing plate.
  • the material of the visible light reflecting film layer may be an aluminum foil mirror layer material.
  • the rear substrate may include a rear glass substrate, and a dielectric layer is disposed in front of the rear glass substrate; and the visible light reflecting film layer is disposed on the front surface of the dielectric layer.
  • the rear substrate may include a rear glass substrate and a barrier disposed above the rear glass substrate, and a barrier groove is formed between the rear glass substrate and the barrier; the visible light reflecting film layer is disposed inside the barrier groove and located below the phosphor layer . Further, a dielectric layer is disposed under the barrier groove, and a visible light reflecting film layer is attached to the front surface of the dielectric layer. Further, the visible light reflecting film layer includes an aluminum oxide layer, a magnesium oxide layer or a titanium oxide layer.
  • the phosphor layer is provided on the rear substrate, and the visible light reflecting film layer of the plasma display panel is disposed on the rear substrate for reflecting the light emitted by the phosphor layer to the front substrate, thereby solving the related art Part of the light emitted by the discharge unit is invalid, resulting in a plasma display
  • FIG. 1 is a schematic structural view of a plasma display panel discharge unit according to the related art
  • FIG. 2 is a schematic structural view of a plasma display discharge unit according to a first embodiment of the present invention
  • FIG. 4 is a schematic structural view of a plasma display discharge unit according to Embodiment 3 of the present invention.
  • FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. According to an embodiment of the invention, a plasma display panel is provided. 2 is a schematic structural view of a plasma display discharge unit according to Embodiment 1 of the present invention; FIG.
  • FIG. 3 is a schematic structural view of a plasma display panel discharge unit according to Embodiment 2 of the present invention
  • FIG. 4 is an embodiment of the present invention.
  • the plasma display panel of the present invention may include: a front substrate 1 and a rear substrate 2, and the rear substrate 2 may have a phosphor layer 24, and the plasma display panel may further include: visible light
  • the film layer 40 is disposed on the rear substrate 2 for reflecting the light emitted from the phosphor layer 24 toward the substrate 1.
  • the visible light reflecting film layer 40 is attached to the rear substrate 2, and the reflective layer can successfully reflect the visible light leaked from the rear substrate 2, and is emitted from the front glass substrate of the front substrate. This improvement improves the plasma display screen. Brightness and effect.
  • the visible light reflecting film layer 40 may be placed on the back surface of the rear glass substrate 20, or may be placed on the surface of the rear medium 22 or on the inner side of the barrier rib 23.
  • the rear substrate 2 may include a rear glass substrate 20; and, the visible light reflecting film layer 40 may be located on the front side or the rear side of the rear glass substrate 20. The visible light on the rear glass substrate 20 is successfully reflected.
  • the visible light reflecting film layer 40 may be attached to the front surface of the rear glass substrate 20 or may be attached to the rear surface of the rear glass substrate 20.
  • the plasma display panel may further include an aluminum back plate located behind the rear glass substrate 20, and the visible light reflecting film layer 40 may be located between the rear glass substrate 20 and the aluminum back plate.
  • the material of the visible light reflecting film layer 40 attached to the rear glass substrate may be an aluminum foil mirror layer material.
  • a high-efficiency visible light reflecting film 40 can be attached on the outer side of the rear glass substrate 20, and the reflective layer can successfully reflect the light leaked from the rear glass substrate 20.
  • the front glass substrate 10 of the substrate 1 is projected.
  • the material of the reflective film is widely selected, and may be a mirror layer material such as aluminum foil, and the attachment method is mechanical attachment or manual attachment. After the attachment is completed, an aluminum backing plate, a heat conductive material, or the like is attached to the outside of the reflective film layer. As shown in FIG. 3, a dielectric layer 22 is disposed in front of the rear glass substrate 20; and, the visible light reflecting film layer 40 may be disposed on the front surface of the dielectric layer 22. The reflective film layer successfully reflects visible light on the dielectric layer 22.
  • the material of the visible light reflecting film layer 40 may be an aluminum oxide layer, a magnesium oxide layer or a titanium oxide layer.
  • the high-efficiency visible light reflecting film layer 40 can be attached to the surface of the rear dielectric material 22, and the reflective layer can successfully reflect the light leaked from the dielectric layer 22 and is projected from the front glass substrate 10 of the front substrate 1. This improvement causes the ineffective light 27 to be successfully emitted, thereby becoming effective light 26, Improve the brightness and efficiency of the plasma display.
  • the visible light reflecting film layer 40 is also required to be an insulating layer, and the material of the layer is a highly specularly reflective aluminum oxide layer, a magnesium oxide layer, a titanium oxide layer or the like.
  • the film processing method is a method such as vapor deposition. As shown in FIG.
  • the rear substrate 2 may include a rear glass substrate 20 and a barrier 23 disposed above the rear glass substrate 20, and a barrier groove is formed between the rear glass substrate 20 and the barrier 23; the visible light reflecting film layer 40 is disposed in the barrier groove.
  • the inner side of 23 is located below the phosphor layer 24.
  • the visible light reflecting film layer 40 may be an aluminum oxide layer, a magnesium oxide layer or a titanium oxide layer.
  • the dielectric layer 22 may be disposed under the barrier groove, and the visible light reflecting film layer 40 may be attached to the front surface of the dielectric layer 22.
  • the high-efficiency visible light reflecting film layer 40 is attached on the inner side of the barrier groove and the surface of the dielectric layer 22 connected to the lower portion of the barrier 23, and the reflective layer 40 may be on the inner side of the barrier 23 and the surface of the dielectric layer 22. A small amount of the missed light is successfully reflected to the front glass substrate 10 of the front substrate 1 to be emitted. Since the inside of the barrier groove 23 is required to be non-conductive, the visible light reflecting film layer 40 is also required to be an insulating layer, and the material of the layer is a highly specularly reflective aluminum oxide layer, a magnesium oxide layer, a titanium oxide layer or the like.
  • the film processing method is a method such as vapor deposition.
  • the plasma display panel of the present invention enhances the reflection of the ineffective light by implanting the high-efficiency visible light reflecting film into the rear substrate 1, thereby maximizing the light emitted from the discharge unit and increasing the brightness of the PDP.
  • the front substrate and the rear substrate constitute a discharge cell structure
  • the front dielectric layer 13 and the rear dielectric layer 22 and the barrier 23 constitute a discharge region
  • the phosphor 24 is deposited in the discharge region to generate visible light and light reflection.
  • the film layer is attached to the rear substrate. Since the material of the light reflecting film layer has high-efficiency reflection capability, the visible light emitted from the original plasma display panel discharge region toward the rear substrate is reflected to the front glass substrate of the front substrate.
  • the above method is a method for realizing the conversion of invalid light into effective light by the plasma display panel, and mainly utilizes the isolation reflection property of the high efficiency light reflection layer.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Gas-Filled Discharge Tubes (AREA)

Description

等离子显示屏 技术领域 本发明涉及一种等离子显示屏。 背景技术 等离子显示屏是一种由气体放电来产生发光的新型显示器件， 其最大的 特点是轻、 薄， 色彩丰富， 容易作大画面并且无视角的问题， 可以称其为一 种划时代的显示装置。 图 1是根据相关技术的等离子显示屏放电单元结构的剖面示意图。 如图 1所示， 等离子显示屏放电单元包括： 后基板和前基板。 后基板 2的制作方案为： 首先在后玻璃基板 20上制作寻址电极线条 21 , 然后在寻址电极线条 21上制作介质层 22 , 再在介质层 22上制作障壁槽， 障 壁槽制作好后， 再在其上制作荧光粉层 24 , 即在障壁槽内铺有荧光粉， 荧光 粉可产生可见光。 后基板 2由后玻璃基板 20、 寻址电极线条 21、 介质层 22、 障壁槽和荧光粉层 24构成。 其中， 障壁 23和介质层 22的上表面构成障壁槽， 障壁 23垂直连接于 介质层 22上。 前基板 1的制作方案为： 首先在前玻璃基板 10上制作 ITO线条 11 , 再 在其上制作 bus电极 12 , 然后覆盖上透明介质层 13 , 最后釆用电子束蒸镀的 方法制作保护膜层， 保护膜层可以是氧化镁（MgO ) 14。 . 其中， 前基板 1和后基板 2之间充入惰性气体， 在放电开始之后， 充入 两块玻璃基板之间的惰性气体受到激发， 会发射出真空紫外线， 真空紫外线 激发荧光粉， 荧光粉受到真空紫外的激发后， 会发射出可见光。 该光线透过 前面玻璃基板， 成为进入观看者眼中的可见光线。 这种传统的等离子显示屏 （Plasma Display Panel, 简称为 PDP ) 的放电 单元结构在实际点火过程中， 发现放电单元发射的可见光会分为两部分， 一 部分经障壁及介质材料的反射， 成为进入人眼的有效光线， 而一部分会直接 透射出后面介质及后玻璃基板， 成为无效光线， 无效光线不仅使得放电单元 发出的光线不能有效利用， 降低了 PDP的亮度， 同时也使得本来就不高的 PDP光效打了折扣。 针对相关技术中由于显示屏放电单元发出的光线部分无效， 导致等离子 显示屏 （PDP ) 亮度降低的问题， 目前尚未提出有效的解决方案。 发明内容 本发明的主要目的在于提供一种亮度更高的等离子显示屏。 为了实现上述目的，根据本发明的一个方面，提供了一种等离子显示屏。 根据本发明的高等离子显示屏包括： 前基板和后基板， 后基板上具有荧 光粉层， 其特征在于， 等离子显示屏还可以包括： 可见光反射膜层， 设置在 后基板上， 用于将荧光粉层发射的光线向前基板反射。 更进一步地， 后基板可以包括后玻璃基板； 并且， 可见光反射膜层位于 后玻璃基板的前侧或后侧。 更进一步地， 后基板可以包括后玻璃基板； 并且， 可见光反射膜层贴附 在后玻璃基板的前表面。 更进一步地， 后基板可以包括后玻璃基板； 并且， 可见光反射膜层贴附 在后玻璃基板的后表面。 更进一步地， 还可以包括位于后玻璃基板后方的铝背板， 可见光反射膜 层位于后玻璃基板与铝背板之间。 更进一步地， 可见光反射膜层的材料可以是铝箔镜面层材料。 更进一步地， 后基板可以包括后玻璃基板， 后玻璃基板的前方设置有介 质层； 并且， 可见光反射膜层设置在介质层的前表面。 更进一步地， 后基板可以包括后玻璃基板和设置在后玻璃基板上方的障 壁， 后玻璃基板与障壁之间围成障壁槽； 可见光反射膜层设置在障壁槽的内 侧， 位于荧光粉层的下方。 更进一步地， 障壁槽的下方设置有介质层， 在介质层的前表面贴附有可 见光反射膜层。 更进一步地， 可见光反射膜层包括氧化铝层、 氧化镁层或氧化钛层。 通过本发明， 釆用在后基板上具有荧光粉层， 等离子显示屏的可见光反 射膜层设置在后基板上， 用于将荧光粉层发射的光线向前基板反射， 解决了 相关技术中由于显示展放电单元发出的光线部分无效， 导致等离子显示屏
( PDP )亮度降低的问题， 进而达到提高 PDP放电单元发射的可见光的利用 率， 从而有助于提升 PDP的光效的效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中： 图 1是根据相关技术的等离子显示屏放电单元的结构示意图； 图 2是 居本发明实施例一的等离子显示展放电单元的结构示意图； 图 3是 居本发明实施例二的等离子显示展放电单元的结构示意图； 图 4是 居本发明实施例三的等离子显示展放电单元的结构示意图。 具体实施方式 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实施例中的特 征可以相互组合。 下面将参考附图并结合实施例来详细说明本发明。 根据本发明的实施例， 提供了一种等离子显示屏。 图 2是 居本发明实施例一的等离子显示展放电单元的结构示意图； 图 3是才艮据本发明实施例二的等离子显示屏放电单元的结构示意图； 图 4是才艮 据本发明实施例三的等离子显示屏放电单元的结构示意图。 如图 2、 3、 4所示： 本发明等离子显示屏可以包括： 前基板 1和后基板 2 , 后基板 2上可以具有荧光粉层 24 , 等离子显示屏还可以包括： 可见光反 射膜层 40, 设置在后基板 2上， 用于将荧光粉层 24发射的光线向前基板 1 反射。 本发明实施例中， 将可见光反射膜层 40贴在后基板 2中， 该反射层可 成功反射后基板 2中遗漏出的可见光， 从前基板的前玻璃基板射出， 这种改 进提高了等离子显示屏的亮度及效果。 其中， 该可见光反射膜层 40可以置于后面玻璃基板 20的背面， 也可以 置于后介质 22的表面， 也可以置于障壁 23的内侧。 如图 2所示， 本发明中后基板 2可以包括后玻璃基板 20; 并且， 可见光 反射膜层 40可以位于后玻璃基板 20的前侧或后侧。 将后玻璃基板 20上的 可见光成功反射。 可见光反射膜层 40可以贴附在后玻璃基板 20的前表面， 也可以贴附在 后玻璃基板 20的后表面。 其中， 等离子显示屏还可以包括位于后玻璃基板 20后方的铝背板， 可 见光反射膜层 40可以位于后玻璃基板 20与铝背板之间。 本发明实施例中， 贴附在后玻璃基板上的可见光反射膜层 40的材料可 以是铝箔镜面层材料。 本发明实施例一中， 在等离子显示屏 PDP制作结束后， 可以在后玻璃基 板 20的外侧贴一层高效可见光反射膜 40, 该反射层可成功反射从后玻璃基 板 20遗漏出的光， 从前基板 1的前玻璃基板 10投射出。 这种改进将无效光 线 27成功反射， 从而成为有效光线 26, 提高了等离子显示屏的亮度及效率。 该反射膜材料选材广泛， 可以是铝箔等镜面层材料， 贴附方式为机械贴附或 手工贴附。 贴附完毕后， 在该反射膜层外侧挂铝背板、 导热材料等。 如图 3所示， 后玻璃基板 20的前方设置有介质层 22; 并且， 可见光反 射膜层 40可以设置在介质层 22的前表面。 该反射膜层将介质层 22上的可 见光成功反射。 其中， 可见光反射膜层 40的材料可以是氧化铝层、 氧化镁 层或氧化钛层。 本发明实施例二中， 高效可见光反射膜层 40可以贴在后介质材料 22的 表面上， 该反射层可成功反射从介质层 22遗漏出的光， 从前基板 1的前玻 璃基板 10投射出。这种改进将无效光线 27成功发射，从而成为有效光线 26, 提高了等离子显示屏的亮度及效率。 由于后介质层 22表面要求是非导电的， 因此， 可见光反射膜层 40也要求是绝缘层， 该层的材料有高镜面反射的氧 化铝层、 氧化镁层、 氧化钛层等。 膜层加工方法为蒸镀等方法。 如图 4所示， 后基板 2可以包括后玻璃基板 20和设置在后玻璃基板 20 上方的障壁 23, 后玻璃基板 20与障壁 23之间围成障壁槽； 可见光反射膜层 40设置在障壁槽 23的内侧， 位于荧光粉层 24的下方。 其中， 可见光反射膜 层 40可以是氧化铝层、 氧化镁层或氧化钛层。 其中， 壁障槽的下方也可以设置有介质层 22 , 在介质层 22的前表面贴 附有可见光反射膜层 40。 本发明实施例三中， 高效可见光反射膜层 40贴附在障壁槽的内侧和壁 障 23下部分连接的介质层 22的表面上， 反射层 40可以将障壁 23内侧以及 介质层 22表面上的少量遗漏出的光成功反射到前基板 1的前玻璃基板 10处 射出。 由于障壁槽 23内侧要求是非导电的， 因此， 可见光反射膜层 40也要 求是绝缘层， 该层的材料有高镜面反射的氧化铝层、 氧化镁层、 氧化钛层等。 膜层加工方法为蒸镀等方法。 如上所述， 本发明的等离子显示屏通过将高效可见光反射膜植入后面基 板 1中， 增强了对无效光线的反射， 从而使放电单元发出的光线得到了最大 程度的利用， 增加了 PDP的亮度。 如图 2、 3、 4所示， 前基板和后基板构成放电单元结构， 前介质层 13 与后介质层 22以及壁障 23构成放电区， 荧光粉 24铺在放电区内产生可见 光，光反射膜层贴在后基板中， 由于光反射膜层的材料具有高效的反射能力， 故将原有的等离子显示屏放电区射向后基板上的可见光反射至前基板的前玻 璃基板射出。 上述方法是本发明实现等离子显示屏将无效光转成有效光的方法， 主要 利用了高效光反射层的隔离反射性质。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的^"神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种等离子显示屏， 包括前基板（ 1 )和后基板 ( 2 ), 所述后基板（ 2 ) 上具有荧光粉层 （24), 其特征在于， 所述等离子显示屏还包括：
可见光反射膜层 （40), 设置在所述后基板 （2) 上， 用于将所述 荧光粉层 （24) 发射的光线向所述前基板 （ 1 ) 反射。
2. 根据权利要求 1所述的等离子显示屏， 其特征在于， 所述后基板（2) 包括后玻璃基板（20); 并且，
所述可见光反射膜层 （40) 位于所述后玻璃基板 (20) 的前侧或 后侧。
3. 根据权利要求 2所述的等离子显示屏， 其特征在于， 所述后基板（2) 包括后玻璃基板（20); 并且，
所述可见光反射膜层 （40) 贴附在所述后玻璃基板 (20) 的前表 面。
4. 根据权利要求 2所述的等离子显示屏， 其特征在于， 所述后基板（2) 包括后玻璃基板（20); 并且，
所述可见光反射膜层 （40) 贴附在所述后玻璃基板（20) 的后表 面。
5. 根据权利要求 4所述的等离子显示屏， 其特征在于， 还包括位于所述 后玻璃基板 (20) 后方的铝背板， 所述可见光反射膜层 （40) 位于所 述后玻璃基板 (20) 与所述铝背板之间。
6. 根据权利要求 2到 5中任一项所述的等离子显示屏， 其特征在于， 所 述可见光反射膜层 （40) 的材料包括铝洛镜面层材料。
7. 根据权利要求 2所述的等离子显示屏， 其特征在于， 所述后玻璃基板
(20) 的前方设置有介质层 （22); 并且，
所述可见光反射膜层 （40)设置在所述介质层 （22) 的前表面。
8. 根据权利要求 1所述的等离子显示屏， 其特征在于, 所述后基板 (2) 包括后玻璃基板 (20)和设置在所述后玻璃基板 ( 20 )上方的障壁 （ 23 ), 所述后玻璃基板 ( 20 ) 与所述障壁 （ 23 )之 间围成障壁槽；
所述可见光反射膜层 （40)设置在所述障壁槽 （23) 的内侧， 位 于所述荧光粉层 （24) 的下方。 根据权利要求 8所述的等离子显示屏， 其特征在于， 所述障壁槽的下 方设置有介质层（22), 在所述介质层（22)的前表面贴附有所述可见 光反射膜层 （40)。 根据权利要求 7到 9中任一项所述的等离子显示屏， 其特征在于， 所 述可见光反射膜层 （40) 包括氧化铝层、 氧化镁层或氧化钛层。
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