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    • 2. 发明专利
    • Direct backlight device and liquid crystal display device
    • 直接背光装置和液晶显示装置
    • JP2009117245A
    • 2009-05-28
    • JP2007290986
    • 2007-11-08
    • Harison Toshiba Lighting CorpNippon Zeon Co Ltdハリソン東芝ライティング株式会社日本ゼオン株式会社
    • TAKEDA YUJITSUTSUI NAOKITAKAGI MASASANEKUSANO KENJITSUKADA KEISUKE
    • F21S2/00F21V3/00F21Y103/00G02F1/13357
    • PROBLEM TO BE SOLVED: To provide a backlight device capable of improving energy efficiency, reducing luminance unevenness, and prolonging a life, and provide a liquid crystal display device using the backlight device. SOLUTION: The direct backlight device includes a plurality of parallel fluorescent lamps, a reflector, and a light diffusion plate. The fluorescent lamp includes a fluorescent tube and a filament part. The fluorescent tube includes a glass tube and a fluorescent layer, and the filament part includes a filament and an emitter. The emitter is preheated to maintain a surface temperature at 700-950°C. An incident side light control part, which has a heat transmission function, and controls incident light quantity, is provided on a light incident surface in an area X in which an outer diameter of the fluorescent tube is vertically projected on the light diffusion plate. As for the light diffusion plate, transmissivity in the area X, and transmissivity in an area Y having a width equal to the outer diameter of the fluorescent tube where a center is an intermediate position of mutually adjacent fluorescent lamps is different by more than 5%. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供能够提高能量效率,降低亮度不均匀性和延长寿命的背光装置,并提供使用该背光装置的液晶显示装置。 解决方案:直接背光装置包括多个平行荧光灯,反射器和光漫射板。 荧光灯包括荧光管和灯丝部分。 荧光管包括玻璃管和荧光层,灯丝部分包括灯丝和发光体。 将发射极预热以保持表面温度在700-950℃。 在荧光管的外径垂直投射在光扩散板上的区域X的光入射面上设置具有传热功能并控制入射光量的入射侧光控制部。 对于光扩散板,区域X的透射率和宽度等于相互相邻的荧光灯的中间位置的荧光管的外径的区域Y的透射率相差大于5% 。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Direct backlight apparatus and liquid crystal display device
    • 直接背光装置和液晶显示装置
    • JP2010102903A
    • 2010-05-06
    • JP2008272466
    • 2008-10-22
    • Harison Toshiba Lighting CorpNippon Zeon Co Ltdハリソン東芝ライティング株式会社日本ゼオン株式会社
    • TAKEDA YUJITSUTSUI NAOKITAKAGI MASASANETSUKADA KEISUKESUZUKI TOSHIRO
    • F21S2/00F21V3/00F21V3/04F21V29/00F21Y103/00G02F1/13357
    • PROBLEM TO BE SOLVED: To provide a direct backlight apparatus capable of enhancing the efficiency of energy and lowering unevenness in brightness, while allowing ease of assembly. SOLUTION: The direct backlight apparatus includes a fluorescent lamp, a reflector, and a light diffuser plate. A filament part of the fluorescent lamp includes an emitter and a preheating circuit for preheating the emitter. The fluorescent tube includes a straight portion (a) and a portion (b) which is not parallel to it. In a surface region X of light incidence surface and light outgoing surface, with the external dimension of the portion (a) being projected vertically to the light incidence surface, a light control unit (A), which is almost parallel to the straight portion, is provided for controlling light volume in normal direction. The transmissivity of the region X in normal direction is lower than that of the region X at a middle position by 1% or more. In the light outgoing surface including the region where the external dimension of the portion (b) is vertically projected to the light diffuser plate, a light control unit (B) is provided which extends almost vertically to the straight portion for controlling the volume of light outgoing along the normal direction. The light control unit (A) has a heat transfer function and the light control unit (B) has a heat diffusion function. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够提高能量效率并降低亮度不均匀的直接背光装置,同时容易组装。 解决方案:直接背光装置包括荧光灯,反射器和光漫射板。 荧光灯的灯丝部分包括发射器和用于预热发射器的预热电路。 荧光灯管包括直线部分(a)和不平行的部分(b)。 在光入射面和光出射面的表面区域X中,部分(a)的外部尺寸垂直于光入射面投射,几乎平行于直线部分的光控制单元(A) 用于控制正常方向的光量。 区域X在法线方向的透射率比中间位置的区域X的透射率低1%以上。 在包括部分(b)的外部尺寸垂直投射到光漫射板的区域的光出射表面中,设置有光控制单元(B),其几乎垂直于直线部分延伸以控制光量 沿正常方向出发。 光控制单元(A)具有传热功能,并且光控制单元(B)具有热扩散功能。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Direct backlight
    • 直接背光
    • JP2007294163A
    • 2007-11-08
    • JP2006118645
    • 2006-04-24
    • Harison Toshiba Lighting Corpハリソン東芝ライティング株式会社
    • TSUTSUI NAOKI
    • F21S2/00F21Y103/00H01J61/42H01J61/92
    • PROBLEM TO BE SOLVED: To provide a direct backlight having high uniformity ratio.
      SOLUTION: In the direct backlight including a plurality of tubular fluorescent lamps 2 arranged in a housing 1 having an opening part 1b1, a bottom part 1b2 and a side part 1b3, the fluorescent lamp 2 includes a first luminance area La generating low brightness along the tube axis of the lamp by thickening the thickness of a phosphor layer 25, and a second luminance area Lb generating high brightness by thinning the thickness of the phosphor layer 25, wherein the fluorescent lamps 2 are arranged to face to the side of the opening part 1b1 of the first luminance area La.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供具有高均匀性比的直接背光。 解决方案:在包括布置在具有开口部分1b1,底部1b2和侧部1b3的壳体1中的多个管状荧光灯2的直接背光中,荧光灯2包括产生低的第一亮度区域La 通过增加荧光体层25的厚度来增加灯的管轴的亮度,以及通过减薄荧光体层25的厚度而产生高亮度的第二亮度区域Lb,其中荧光灯2被布置成面向 第一亮度区域La的开口部分1b1。版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • External electrode type fluorescent lamp
    • 外部电极类荧光灯
    • JP2006302576A
    • 2006-11-02
    • JP2005119905
    • 2005-04-18
    • Harison Toshiba Lighting Corpハリソン東芝ライティング株式会社
    • MARUYAMA HIROAKITSUTSUI NAOKIOBAYASHI SHINJI
    • H01J65/00H01J61/42
    • H01J65/00
    • PROBLEM TO BE SOLVED: To provide an external electrode type fluorescent lamp having flat light distribution characteristics although a phosphor film formed on the inner periphery side of a glass tube has inclined film thickness characteristics.
      SOLUTION: In this external electrode type fluorescent lamp 110, the phosphor film 2, the film thickness of which gradually changes to a thin film thickness from a thick film thickness in the inner periphery side of the glass tube 1 from its one end part TK to the other end part TN along its tube axis, is formed, a noble gas is filled in the inside space of the glass tube as a discharge medium 4, and a pair of belt-like external electrodes 5, 6 having longitudinal sawtoothed fringe sides, the effective width of which changes so that the effective width becomes long on the thin film side TN of the phosphor film and the effective width becomes short on the thick film side TK along the axial direction of the tube, are installed apart from each other on the periphery side of the glass tube.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供具有平坦分布特性的外部电极型荧光灯,尽管形成在玻璃管的内周侧上的荧光膜具有倾斜的膜厚特性。 解决方案:在该外部电极型荧光灯110中,从其一端的玻璃管1的内周侧的厚膜厚度逐渐变为薄膜厚度的荧光体膜2 形成了沿其管轴的另一端部TN的部分TK,作为排出介质4,在玻璃管的内部空间填充有惰性气体,并且具有纵向锯齿状的一对带状外部电极5,6 其有效宽度变化,使得荧光膜的薄膜侧TN上的有效宽度变长,并且沿着管的轴向在厚膜侧TK上的有效宽度变短 彼此在玻璃管的周边。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Cold cathode discharge lamp
    • 冷阴极放电灯
    • JP2009021225A
    • 2009-01-29
    • JP2008153052
    • 2008-06-11
    • Harison Toshiba Lighting Corpハリソン東芝ライティング株式会社
    • TAKEDA YUJITSUTSUI NAOKI
    • H01J61/067
    • PROBLEM TO BE SOLVED: To provide an inexpensive cold cathode discharge lamp having low power consumption.
      SOLUTION: The cold cathode discharge lamp includes a discharge container 1 having a discharge space 11 inside, a discharge medium filled in the discharge space 11, and a pair of electrodes 3a1, 3b1 arranged opposing each other in the discharge space 11. On the surface of each of the electrodes 3a1, 3b1, an oxide layer 4 is formed of an electrode material. An optimum material for each of the electrodes 3a1, 3b1 is nickel (Ni). A thickness T of the oxide layer 4 is 10 nm≤T≤100 μm, preferably, 1 μm≤T≤100 μm.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有低功耗的便宜的冷阴极放电灯。 解决方案:冷阴极放电灯包括在其内部具有放电空间11的放电容器1,填充在放电空间11中的放电介质和在放电空间11中彼此相对布置的一对电极3a1,3b1。 在每个电极3a1,3b1的表面上,氧化物层4由电极材料形成。 每个电极3a1,313的最佳材料是镍(Ni)。 氧化物层4的厚度T为10nm≤T≤100μm,优选为1μm≤T≤100μm。 版权所有(C)2009,JPO&INPIT