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    • 1. 发明申请
    • Reflector, light source device and projection display apparatus
    • 反射器,光源装置和投影显示装置
    • US20070041197A1
    • 2007-02-22
    • US10577188
    • 2004-10-20
    • Sakae SaitoItsuro KikkawaAkinobu Takeda
    • Sakae SaitoItsuro KikkawaAkinobu Takeda
    • F21V7/00
    • G03B21/16G03B21/2066G03B21/2086
    • A concave mirror substance 1 constituting a reflector is composed of a base material having a high thermal conductivity such as aluminum etc. An infrared-to-heat converting layer 2 is film-formed by anodizing the substrate formed of aluminum etc., so as to absorb light in a wavelength range which passes through a visible light reflecting layer 4 and convert it into heat. A gloss-forming buffer layer 3 is film-formed by calcining Si resin or polyimide resin over the inner side (the light source-side surface) of infrared-to-heat converting layer 2 at high temperatures, so as to buffer the two layers in a manner that does not allow infrared-to-heat converting layer 2 and visible light reflecting layer 4 to be in direct contact with each other, and so as to reduce the influence of projections and indentations present on infrared-to-heat converting layer 2 and smoothen the light source-side surface of visible light reflecting layer 4. In this way, it is possible to suppress performance degradation by efficient discharge of heat by converting light into heat and by alleviating thermal stress and strain due to the difference in expansion coefficient between components, and it is also possible to achieve reduction in cost, miniaturization and weight reduction.
    • 构成反射体的凹面镜物质1由铝等具有高导热性的基材构成。通过对由铝等形成的基板进行阳极氧化,形成红外线至热转换层2,以便 吸收通过可见光反射层4的波长范围内的光并将其转换成热。 通过在高温下在红外线加热转换层2的内侧(光源侧表面)上煅烧Si树脂或聚酰亚胺树脂来形成光泽形成缓冲层3,以缓冲两层 以不允许红外线热转换层2和可见光反射层4彼此直接接触的方式,并且减少存在于红外线到热转换层上的突起和凹陷的影响 从而使可见光反射层4的光源侧表面平滑化。以这种方式,可以通过将光转换成热量并通过减轻由于膨胀差引起的热应力和应变来有效地排放热量来抑制性能下降 组件之间的系数,并且还可以实现成本的降低,小型化和重量减轻。
    • 2. 发明申请
    • Light Source Device And Video Display Apparatus Using The Same
    • 光源装置及其使用的视频显示装置
    • US20070200473A1
    • 2007-08-30
    • US10590269
    • 2005-02-22
    • Tadao KyomotoSakae SaitoAkinobu Takeda
    • Tadao KyomotoSakae SaitoAkinobu Takeda
    • H01J5/16
    • G02B5/10F21V13/04H04N5/74
    • The invention is to provide a simple and compact configuration which can still be improved in the efficiency of light condensation to a predetermined small-diametric area. The present invention is a device comprising: an arc tube 20 having a pair of main electrodes 21 and 22; and a reflector 30 for reflecting the outgoing light emitted from the arc tube 20, the electrode axis O1 of the main electrodes 21 and 22 being arranged to cross the light axis LA of the outgoing light. The reflector 30 is formed of a first reflector portion 31 having a spherical surface centered at the light generation point L0 of the arc tube 20 and a second reflector portion 32 having a curved surface different from the first reflector portion 31, and a condenser 40 that condenses the outgoing light emitted from the arc tube 20 to other than the second reflector portion 32 and illuminates the condensed light in a predetermined direction or to a predetermined area is provided.
    • 本发明提供了一种简单且紧凑的结构,其仍然能够将光凝结的效率提高到预定的小直径区域。 本发明是一种装置,包括:具有一对主电极21和22的电弧管20; 以及用于反射从电弧管20发出的出射光的反射器30,主电极21和22的电极轴线O 1布置成与出射光的光轴LA交叉。 反射器30由具有以电弧管20的发光点L 0为中心的球面的第一反射部31和具有与第一反射部31不同的曲面的第二反射部32形成,冷凝器40 其将从电弧管20发射的出射光会聚到第二反射部32以外,并且将规定方向或规定区域的聚光照射。