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    • 75. 发明专利
    • Lighting device, designing method for aspherical lens, aspherical lens and projector
    • 照明设备,平面镜头,平面镜头和投影仪的设计方法
    • JP2006030536A
    • 2006-02-02
    • JP2004208514
    • 2004-07-15
    • Seiko Epson Corpセイコーエプソン株式会社
    • ARIGA SUSUMU
    • G03B21/14G02B13/00G02B13/18G02B13/22
    • G02B27/0955G02B19/0014G02B19/0047G02B27/0994
    • PROBLEM TO BE SOLVED: To provide a lighting device capable of increasing illumination efficiency further than in the case an ideal image formation system is constituted by constituting an optical system so as to dare to cause aberration on an optical image on a liquid crystal panel, a designing method for an aspherical lens used for the lighting device, the aspherical lens and a projector on which the lighting device is mounted.
      SOLUTION: Light emitted from a light source 3 is made parallel beams by a 1st optical system 5, and forms an image so that coma aberration and spherical aberration may be caused on the image of the parallel beams in the pixel area 7a of a liquid crystal device 7 by the aspherical lens 6. By forming the image so as to dare to cause the aberration in the pixel area 7a, the illumination efficiency in the pixel area 7a is made higher than when the image is formed by the ideal image formation system.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够比通过构成光学系统构成理想的图像形成系统以致敢于在液晶上的光学图像上引起像差的情况下提高照明效率的照明装置 面板,用于照明装置的非球面透镜的设计方法,非球面透镜和安装有照明装置的投影仪。 解决方案:由光源3发射的光由第一光学系统5制成平行光束,并且形成图像,使得可能在像素区域7a中的平行光束的图像上产生彗形像差和球面像差 通过非球面透镜6的液晶装置7.通过形成图像以便引起像素区域7a中的像差,像素区域7a中的照明效率高于通过理想图像形成图像时的照明效率 形成系统。 版权所有(C)2006,JPO&NCIPI
    • 78. 发明专利
    • Optical transmitter
    • 光学发射器
    • JPS59177515A
    • 1984-10-08
    • JP5287283
    • 1983-03-29
    • Mitsubishi Electric Corp
    • MATSUI TERUHITO
    • G02B27/00G02B27/09
    • G02B27/0955G02B19/0028G02B19/0052G02B19/0085
    • PURPOSE:To improve the efficiency of optical trasmission by coupling light from the photosemiconductor element for the light source of an optical transmitter with an optical fiber and propagating it in space. CONSTITUTION:The light from a semiconductor laser 2 is converged by a lens 3 and inputted to the optical fiber 9. Further, the projection light from the optical fiber 9 is adjusted by enlargement to proper beam width by a lens 10 as the 2nd stage. The sectional shape of the light beam 5 obtained as mentioned above is circular and expanded so that the range of the position shift between the optical transmitter and an optical receiver is covered. consequently, an unnecessary light beam part is reduced and a decrease in the quantity of received light is minimized to perform efficient optical transmission.
    • 目的:通过将光发射器光源的光半导体元件的光耦合到光纤并在空间中传播,来提高光学传输的效率。 构成:来自半导体激光器2的光由透镜3会聚并输入到光纤9.此外,通过作为第二阶段的透镜10,通过放大到适当的光束宽度来调节来自光纤9的投影光。 如上所述获得的光束5的截面形状是圆形的并且膨胀,使得光发射器和光接收器之间的位置偏移的范围被覆盖。 因此,不必要的光束部分被减少并且接收光量的减少被最小化以执行有效的光传输。
    • 79. 发明专利
    • Method and device for laser marking
    • 用于激光标记的方法和装置
    • JPS59172622A
    • 1984-09-29
    • JP4822283
    • 1983-03-23
    • Nec Corp
    • MATAI SADAO
    • B41M5/26G02B27/00G02B27/09H01L21/66
    • G02B27/0955G02B19/0014G02B19/0052
    • PURPOSE:To add a defective mark which is extremely easy to see by fitting a semicylindrical lens right in front of a laser emitting body. CONSTITUTION:The semicylindrical lens 1 is fitted right in front of the laser emitting body 2 and a semiconductor wafer 6 is mounted on the sample base 7 of a wafer prober; and a signal is sent from a tester to the electrode of a semiconductor device through the probe 5 of a probe card 4 to inspect electric characteristics of the semiconductor device, and if the result indicates defect, the defective semiconductor device 10 is irradiated with laser light 3 from the laser emitting body 2 through the semicylindrical lens 1 to display a thin and long mark as the defective mark 8. The surface of a defective semiconductor device 10 is melted on its surface conventionally by increasing the intensity of the laser in order to make the defective mark easy to see by the naked eye, but this defective mark 8 is thin and long, so the mark is seen even by the naked eye, thereby eliminating the need to increase the intensity of the laser.
    • 目的:添加通过在激光发射体前面安装半圆柱透镜非常容易看到的有缺陷的标记。 构成:将半圆柱形透镜1安装在激光发射体2的正前方,将半导体晶片6安装在晶片探测器的样品基体7上; 并且通过探针卡4的探针5从测试仪向半导体器件的电极发送信号,以检查半导体器件的电特性,如果结果表明存在缺陷,则用激光照射有缺陷的半导体器件10 3从激光发射体2通过半圆柱透镜1显示出薄而长的标记作为缺陷标记8.有缺陷的半导体器件10的表面通常通过增加激光的强度而在其表面上熔化,以便使 肉眼容易看到的有缺陷的标记,但是这个有缺陷的标记8是薄而长的,所以即使肉眼也能看到标记,因此不需要增加激光的强度。
    • 80. 发明专利
    • Light source device
    • 光源设备
    • JPS5977405A
    • 1984-05-02
    • JP18843582
    • 1982-10-26
    • Canon Inc
    • MATSUOKA KAZUHIKOTATSUOKA MASAMICHI
    • G02B9/02G02B27/09
    • G02B27/09G02B19/0014G02B19/0028G02B19/0052G02B27/0955
    • PURPOSE:To make luminance flux from a semiconductor laser light source into a parallel beam through simple constitution by arranging a distributed index type lens which has a plane surface on one side and a spherical surface on the other side opposite to the semiconductor laser light source. CONSTITUTION:A collimator lens facing the semiconductor laser light source 10 is made of a distributed index type lens 11. The surface of the lens 11 is planar and the opposite surface to the laser 10 is the spherical surface with a radius r2 of curvature. The use of this lens 11 compensates aspherical aberration excellently regardless of short focal length and large numerical aperture. Consequently, the excellent parallel beam is obtained through the simple constitution as compared with a semiconductor laser light source device equipped with a conventional collimator lens.
    • 目的:通过布置具有一侧平面和与半导体激光光源相反的另一侧的球面的分布式折射率透镜,通过简单的结构使来自半导体激光光源的亮度通量成平行光束。 构成:面向半导体激光光源10的准直透镜由分布式折射率透镜11构成。透镜11的表面是平面的,与激光10相反的表面是具有曲率半径r2的球面。 这种透镜11的使用优异地补偿非球面像差,而不管短焦距和大数值孔径。 因此,与配备有常规准直透镜的半导体激光光源装置相比,通过简单的结构获得优异的平行光束。