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    • 1. 发明授权
    • Metal film/aromatic polyimide film laminate
    • 金属膜/芳香族聚酰亚胺薄膜层压板
    • US06699572B2
    • 2004-03-02
    • US09957869
    • 2001-09-21
    • Tomohiko YamamotoToshihiko AnnoToshiyuki NishinoTakashi Amane
    • Tomohiko YamamotoToshihiko AnnoToshiyuki NishinoTakashi Amane
    • B32B702
    • C08J7/047B32B15/08C08G73/1042C08J2379/08C08J2479/00C08L79/08H05K1/0346Y10T428/2495Y10T428/24959Y10T428/24967Y10T428/24975Y10T428/264Y10T428/265Y10T428/31681Y10T428/31721
    • A metal film/aromatic polyimide film laminate is composed of a composite aromatic polyimide film and a metal film, in which the composite aromatic polyimide film is composed of an aromatic polyimide substrate film having a linear expansion coefficient of 5×10−6 to 30×10−6 cm/cm/° C. in the temperature range of 50-200° C. (measured in machine direction), and a thin aromatic polyimide layer of polyimide prepared from a carboxylic acid component comprising a mixture of 3,3′,4,4′-biphenyltetracarboxylic dianhydride and 2,3,3′,4′-biphenyltetracarboxylic dianhydride in a molar ratio of 50:50 to 90:10 and an aromatic diamine component composed of 1,3-bis(4-aminophenoxy)benzene or a mixture of 1,3-bis(4-aminophenoxy)benzene and p-phenylenediamine and/or diaminodiphenyl ether in a molar ratio of 10/90 or more. Tg of the thin polyimide layer is 210-310° C. The metal film is fixed to the thin polyimide layer at a 90° peel resistance of 0.5 kg/cm or higher, while the thin polyimide layer is bonded to the substrate film at a 90° peel resistance higher than that between the metal film and the thin layer.
    • 金属膜/芳香族聚酰亚胺膜层叠体由复合芳香族聚酰亚胺膜和金属膜构成,其中复合芳香族聚酰亚胺膜由线性膨胀系数为5×10 -6〜30×10 6的芳香族聚酰亚胺基材膜构成, 在50-200℃的温度范围(在机器方向上测量),并且由包含3,3'的混合物的羧酸组分制备的聚酰亚胺薄芳香族聚酰亚胺层为-6> cm / cm / ,4,4'-联苯四羧酸二酐和摩尔比为50:50至90:10的2,3,3',4'-联苯四羧酸二酐和由1,3-双(4-氨基苯氧基) 苯或1,3-二(4-氨基苯氧基)苯和对苯二胺和/或二氨基二苯醚的摩尔比为10/90以上的混合物。 薄聚酰亚胺层的Tg为210〜310℃。金属膜以0.5kg / cm以上的90°剥离电阻固定在薄聚酰亚胺层上,同时将薄聚酰亚胺层以 90°剥离阻力高于金属膜与薄层之间的剥离强度。
    • 6. 发明申请
    • PLANAR ILLUMINATION DEVICE AND DISPLAY DEVICE PROVIDED WITH THE SAME
    • 平面照明设备和显示设备
    • US20120230008A1
    • 2012-09-13
    • US13508552
    • 2010-10-01
    • Yuhsaku AjichiTomohiko Yamamoto
    • Yuhsaku AjichiTomohiko Yamamoto
    • F21V13/12
    • G02F1/133512G02B6/0031G02B6/0051G02B6/0053G02B6/0056G02B6/0088G02F1/133536G02F1/133615
    • An object is to implement a narrowed picture-frame while suppressing the occurrence of light leakage and a reduction in luminance in an edge-light type backlight device. A backlight device is composed of LEDs (40); a side chassis (51) supporting a board having the LEDs (40) mounted thereon; a light guide plate (20) for allowing light emitted from the LEDs (40) to exit toward a liquid crystal panel in a planar manner; a reflection sheet (30) for allowing light traveling toward a back surface side within the light guide plate (20) to be reflected thereby; optical sheets (10) including a reflection type polarizer (11), a prism sheet (12), and a diffuser (13); and a top chassis (52) disposed on top of the optical sheets (10). Black printing (60) is provided in a part of the region of the diffuser (13). A length of the reflection type polarizer (11) is longer than a length of the light guide plate (20) such that an edge of the reflection type polarizer (11) is located closer to a side of the LEDs (40) than is an edge surface of the light guide plate (20).
    • 本发明的目的是在抑制边缘光型背光装置中的光泄漏的发生和亮度的降低的同时实现缩小的相框。 背光装置由LED(40)构成; 支撑安装在其上的LED(40)的板的侧面底架(51) 导光板(20),其用于使从所述LED(40)发射的光以平面方式朝向液晶面板排出; 用于允许在导光板(20)内朝向背面侧移动的光被反射的反射片(30) 包括反射型偏振器(11),棱镜片(12)和扩散器(13)的光学片(10) 以及设置在所述光学片(10)的顶部上的顶板(52)。 黑色印刷(60)设置在扩散器(13)的区域的一部分中。 反射型偏振器(11)的长度比导光板(20)的长度长,使得反射型偏振片(11)的边缘比LED(40)的一侧更靠近LED 导光板(20)的边缘表面。