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    • 1. 发明申请
    • BACKLIGHT UNIT, ILLUMINATION DEVICE, AND DISPLAY DEVICE
    • 背光单元,照明装置和显示装置
    • US20110227895A1
    • 2011-09-22
    • US13029034
    • 2011-02-16
    • Kiyoshi TakahashiTakeshi ArakawaRyo Minamihata
    • Kiyoshi TakahashiTakeshi ArakawaRyo Minamihata
    • G09G3/36F21V8/00G06F3/038
    • G02B6/0061G02B6/006G02B6/0076G02B6/0078G02F2001/133601
    • Backlight unit (10), illumination device (400) and display device (1) capable of local dimming control while achieving high contrast are provided. Backlight unit (10) includes light guide plate (100), which includes layered plate-like optical members (110, 120), and light sources (12). A main surface (111, 121) of each optical member (110, 120) is partitioned into areas including one or more emergence areas and non-emergence areas. When light is incident on each optical member (110, 120) through a side surface thereof, light emerges from emergence areas but does not emerge from non-emergence areas. The optical members (110, 120) are layered such that each non-emergence area of one optical member (110) overlaps a different one of emergence areas of another (120). Light sources (12) are arranged to face the side surface of each optical member (110, 120) and are capable of local dimming control by being lit with light emitted therefrom adjusted.
    • 提供了能够实现高对比度的本地调光控制的背光单元(10),照明装置(400)和显示装置(1)。 背光单元(10)包括导光板(100),其包括层状板状光学构件(110,120)和光源(12)。 每个光学构件(110,120)的主表面(111,121)被划分成包括一个或多个出射区域和非出射区域的区域。 当光通过其侧表面入射到每个光学构件(110,120)上时,光从出射区域出射,但不会从非出射区域出射。 光学构件(110,120)被层叠成使得一个光学构件(110)的每个非出射区域与另一个(120)的不同的出射区域重叠。 光源(12)被布置为面对每个光学构件(110,120)的侧表面,并且能够通过被调节的光发射的光照亮来进行局部调光控制。
    • 8. 发明授权
    • Method for manufacturing high-pressure discharge lamp, high-pressure discharge lamp, lamp unit and projection-type image display
    • 高压放电灯,高压放电灯,灯具单元和投影型图像显示器的制造方法
    • US08203267B2
    • 2012-06-19
    • US12438040
    • 2007-06-08
    • Yoshiki KitaharaKatsuhiro OnoJun SakaguchiRyo Minamihata
    • Yoshiki KitaharaKatsuhiro OnoJun SakaguchiRyo Minamihata
    • H01J17/18H01J61/36
    • H01J9/326G03B21/2026G03B21/2086H01J61/36H01J61/366H01J61/86
    • The present invention is directed to a method for manufacturing a high-pressure discharge lamp including: a spherical portion forming a light-emitting portion (1a); sealing portions that are connected with both ends of the spherical portion; an electrode (2a) that is sealed to each of the sealing portions; and a metal foil (3a) that is connected with a rear end of each electrode. A vessel provided with a cylindrical glass tube (8) on both ends of the spherical portion is used, a connection structure of the metal foil and the electrode are disposed in the glass tube such that a front end of the electrode is positioned in the spherical portion, and the glass tube is melted by heat and shrunk for sealing the metal foil and the electrode so as to form the sealing portion. An inner diameter φ of the glass tube before the heat-melt processing and a distance L from an edge of the metal foil to the internal space of the spherical portion are set to satisfy a relationship of L/φ≧1.35, a corner of an edge portion of the metal foil on a side of the connection with the electrode is cut so as to form a wedge shape (7a), and subsequently the sealing step is performed. Thereby, it can suppress the generation of the breakage during the lighting life span, which is caused by a gap generated from the metal foil to an axis of the electrode during the sealing processing of the high-pressure discharge lamp having a high brightness property.
    • 本发明涉及一种制造高压放电灯的方法,包括:形成发光部分(1a)的球形部分; 与球形部分的两端连接的密封部分; 对每个密封部分密封的电极(2a); 和与各电极的后端连接的金属箔(3a)。 使用在球形部分的两端设置有圆柱形玻璃管(8)的容器,金属箔和电极的连接结构设置在玻璃管中,使得电极的前端位于球形 部分,并且玻璃管通过热熔化并收缩以密封金属箔和电极,以形成密封部分。 内径&phgr 在熔融加工之前的玻璃管的距离L和从金属箔的边缘到球形部分的内部空间的距离L被设定为满足L /&phgr;≥1.35的关系, 切断与电极连接侧的金属箔,形成楔形(7a),随后进行密封工序。 由此,能够抑制由于在具有高亮度特性的高压放电灯的密封处理期间由金属箔与电极的轴线产生的间隙引起的照明寿命期间的断裂的产生。