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    • 2. 发明申请
    • 投写型表示装置
    • 投影显示设备
    • WO2003075089A1
    • 2003-09-12
    • PCT/JP2002/002100
    • 2002-03-07
    • 松下電器産業株式会社伏見 吉正枡本 吉弘和田 充弘
    • 伏見 吉正枡本 吉弘和田 充弘
    • G03B21/00
    • H04N5/7416G03B21/005
    • A projection display device, comprising a light source 101, an illuminating optical system 102 forming illuminating light, a reflective light bulb 106 forming an optical image by reflecting the illuminating light, a projection optical system 107 projecting the optical image, and a positive power lens 105, wherein the optical axis 115 of the reflective light bulb, the optical axis 113 of the projection optical system, and the optical axis 114 of the positive power lens are aligned with each other, the illuminating light system 102 is disposed so that the illuminating light is reflected by the reflective light bulb 106 after passing through the positive power lens 105, and the outgoing eye 108 of the illuminating optical system 102 and the incidence eye 109 of the projection optical system 107 are disposed so as to form a conjugate relation with the positive power lens 105.
    • 一种投影显示装置,包括光源101,形成照明光的照明光学系统102,通过反射照明光形成光学图像的反射式灯泡106,投影光学图像的投影光学系统107和正光焦度透镜 如图105所示,其中反射灯泡的光轴115,投影光学系统的光轴113和正功率透镜的光轴114彼此对准,照明光系统102被布置成使得照明 光在通过正功率透镜105之后被反射灯泡106反射,照射光学系统102的出射眼108和投影光学系统107的入射眼109被设置成与 正功率透镜105。
    • 3. 发明申请
    • 投写型表示装置、リアプロジェクタ及びマルチビジョンシステム
    • 投影型显示单元,后投影机和多视觉系统
    • WO2003032049A1
    • 2003-04-17
    • PCT/JP2002/010152
    • 2002-09-30
    • 松下電器産業株式会社伏見 吉正枡本 吉弘和田 充弘
    • 伏見 吉正枡本 吉弘和田 充弘
    • G02B27/18
    • H04N9/3114G02B19/0028G02B19/0047G02B26/0841G03B21/20H04N5/7416H04N5/7458H04N9/3141
    • A small projection type display unit capable of preventing the overlapping of the optical path of an incident light on that of an outgoing light in a reflection type light bulb and providing high-picture-quality projection images, and a rear projector and a multi-vision system using it. The projection type display unit comprises an illuminating optical system 2 for collecting light emitted from a light source 1 to form an illuminating light, a reflection type light bulb 6 for reflecting an illuminating light and outputting a modulation light that forms an optical image, a projection lens 7 for projecting an optical image formed by the reflection type light bulb, and a positive-power lens element 5. The lens element 5 is formed of one planoconvex lens and is disposed between the reflection type light bulb and the projection lens so that, with the convex surface directed toward the projection lens, an illuminating light passes through the lens element to illuminate the reflection type light bulb, and a modulation light output from the reflection type light bulb passes through the lens element to beam onto the projection lens.
    • 一种小型投影型显示单元,其能够防止入射光的光路与反射型灯泡中的出射光的光路重叠,并提供高质量的投影图像,以及后投影仪和多视点 系统使用它。 投射型显示单元包括用于收集从光源1发射的光以形成照明光的照明光学系统2,用于反射照明光并输出形成光学图像的调制光的反射型电灯泡6,投影型显示单元 用于投影由反射型灯泡形成的光学图像的透镜7和正功能透镜元件5.透镜元件5由一个平凸透镜形成,并且设置在反射型电灯泡和投影透镜之间, 凸面朝向投影透镜,照射光通过透镜元件照射反射型电灯泡,从反射型灯泡输出的调制光通过透镜元件射到投影透镜上。