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    • 1. 发明授权
    • Zoom lens
    • 变焦镜头
    • US07643220B2
    • 2010-01-05
    • US12044580
    • 2008-03-07
    • Jung-Yao ChenYu-Hung ChouChien-Hsiung TsengKuo-Chuan WangFu-Ming Chuang
    • Jung-Yao ChenYu-Hung ChouChien-Hsiung TsengKuo-Chuan WangFu-Ming Chuang
    • G02B15/14
    • G02B15/177G02B13/16
    • A zoom lens including a first lens group with a negative refractive power and a second lens group with a positive refractive power is provided. The first lens group includes a first lens, a second lens, and a third lens arranged from an object side to an image side in sequence. The refractive powers of the first, second, and third lenses are negative, negative, and positive sequentially. The second lens group includes a fourth lens, a fifth lens, a sixth lens, and a seventh lens arranged from the object side to the image side in sequence. The refractive powers of the fourth, fifth, sixth, and seventh lenses are positive, positive, negative, and positive sequentially. The first lens group and the second lens group are capable of moving between the object side and the image side.
    • 提供了包括具有负屈光力的第一透镜组和具有正屈光力的第二透镜组的变焦透镜。 第一透镜组包括从物体侧到像侧依次布置的第一透镜,第二透镜和第三透镜。 第一,第二和第三透镜的折射力依次为负,负和正。 第二透镜组包括从物体侧到像侧依次布置的第四透镜,第五透镜,第六透镜和第七透镜。 第四,第五,第六和第七透镜的折射力依次为正,正,负和正。 第一透镜组和第二透镜组能够在物体侧和像侧之间移动。
    • 3. 发明申请
    • FIXED-FOCUS LENS
    • 固定镜片
    • US20090067064A1
    • 2009-03-12
    • US12053290
    • 2008-03-21
    • Huai-Yi HuangJung-Yao Chen
    • Huai-Yi HuangJung-Yao Chen
    • G02B9/10
    • G02B9/10G02B13/0045G02B13/005
    • A fixed-focus lens including a first lens group and a second lens group is provided. The first lens group has a negative refractive power, and consists essentially of a first lens, a second lens, a third lens, and a fourth lens arranged in sequence from an object side to an image side. Refractive powers of the first, second, third, and fourth lenses are negative, negative, positive, and negative respectively. The second lens group is disposed between the first lens group and the image side, and has a positive refractive power. The second lens group includes a fifth lens and a sixth lens arranged in sequence from the object side to the image side. Refractive powers of the fifth lens and the sixth lens are both positive.
    • 提供了包括第一透镜组和第二透镜组的固定焦点透镜。 第一透镜组具有负折光力,并且基本上由从物体侧到像侧依次布置的第一透镜,第二透镜,第三透镜​​和第四透镜组成。 第一,第二,第三和第四透镜的折射率分别为负,负,正和负。 第二透镜组设置在第一透镜组和像侧之间,并且具有正的折射光焦度。 第二透镜组包括从物体侧到像侧依次布置的第五透镜和第六透镜。 第五透镜和第六透镜的折射率均为正。
    • 5. 发明申请
    • Imaging system
    • 成像系统
    • US20090323202A1
    • 2009-12-31
    • US12453791
    • 2009-05-22
    • Jung-Yao ChenWei-Chung ChaoYu-Tsung Lee
    • Jung-Yao ChenWei-Chung ChaoYu-Tsung Lee
    • G02B17/08G02B27/18
    • G02B17/08
    • An image system adapted to a projection display apparatus includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, an aspheric reflector, and a curved reflector. The second lens group includes an aspheric lens which is the nearest to the light valve in the second lens group. A material of the aspheric lens includes glass, the thermal-optical coefficient of the glass is between 1.0×10−6/K and 12.5×10−6/K, and the refractive index of the glass is between 1.482 and 1.847. The aspheric reflector is disposed front of the first lens group for reflecting the image beam passing through the first lens group and second lens group. The curved reflector is disposed above the first lens group for reflecting the image beam reflected by the aspheric reflector onto the screen. The image system has a good imaging quality.
    • 适于投影显示装置的图像系统包括具有负屈光力的第一透镜组,具有正屈光力的第二透镜组,非球面反射器和弯曲反射器。 第二透镜组包括与第二透镜组中的光阀最近的非球面透镜。 非球面透镜的材料包括玻璃,玻璃的热 - 光系数在1.0×10 -6 / K至12.5×10 -6 / K之间,玻璃的折射率在1.482和1.847之间。 非球面反射器设置在第一透镜组的前方,用于反射通过第一透镜组和第二透镜组的图像光束。 弯曲的反射器设置在第一透镜组的上方,用于将由非球面反射器反射的图像光束反射到屏幕上。 图像系统具有良好的成像质量。
    • 6. 发明申请
    • ZOOM LENS
    • 变焦镜头
    • US20090015936A1
    • 2009-01-15
    • US12044580
    • 2008-03-07
    • Jung-Yao ChenYu-Hung ChouChien-Hsiung TsengKuo-Chuan WangFu-Ming Chuang
    • Jung-Yao ChenYu-Hung ChouChien-Hsiung TsengKuo-Chuan WangFu-Ming Chuang
    • G02B15/14
    • G02B15/177G02B13/16
    • A zoom lens including a first lens group with a negative refractive power and a second lens group with a positive refractive power is provided. The first lens group includes a first lens, a second lens, and a third lens arranged from an object side to an image side in sequence. The refractive powers of the first, second, and third lenses are negative, negative, and positive sequentially. The second lens group includes a fourth lens, a fifth lens, a sixth lens, and a seventh lens arranged from the object side to the image side in sequence. The refractive powers of the fourth, fifth, sixth, and seventh lenses are positive, positive, negative, and positive sequentially. The first lens group and the second lens group are capable of moving between the object side and the image side.
    • 提供了包括具有负屈光力的第一透镜组和具有正屈光力的第二透镜组的变焦透镜。 第一透镜组包括从物体侧到像侧依次布置的第一透镜,第二透镜和第三透镜。 第一,第二和第三透镜的折射力依次为负,负和正。 第二透镜组包括从物体侧到像侧依次布置的第四透镜,第五透镜,第六透镜和第七透镜。 第四,第五,第六和第七透镜的折射力依次为正,正,负和正。 第一透镜组和第二透镜组能够在物体侧和像侧之间移动。
    • 7. 发明申请
    • FIXED FOCUS LENS
    • 固定聚焦镜头
    • US20100097710A1
    • 2010-04-22
    • US12572902
    • 2009-10-02
    • Sheng-Tang LAIKuo-Chuan WangJung-Yao Chen
    • Sheng-Tang LAIKuo-Chuan WangJung-Yao Chen
    • G02B9/34
    • G02B9/34G02B13/004
    • A fixed focus lens includes, numbered in order of location from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens. The first lens is a biconvex lens with a positive refractive power, and the second lens is a convex-concave lens with a negative refractive power. The third lens is a concave-convex lens with a positive refractive power, and the fourth lens is an aspherical lens having a negative refractive power in the centre portion thereof and a positive refractive power at the periphery portion thereof. The fixed focus lens satisfies the condition: 1.0>|(1/r2−1/r1)|>0.6, where r1 denotes the radius of curvature of a front surface of the second lens and r2 denotes the radius of curvature of a rear surface of the first lens.
    • 固定焦距透镜包括按照从物体侧到像侧的位置的顺序编号,第一透镜,第二透镜,第三透镜​​和第四透镜。 第一透镜是具有正屈光力的双凸透镜,第二透镜是具有负屈光力的凸凹透镜。 第三透镜是具有正折光力的凹凸透镜,第四透镜是其中心部分具有负折光力的非球面透镜,并且在其周边部分具有正折射光焦度。 固定焦距透镜满足条件:1.0> |(1 / r2-1 / r1)|> 0.6,其中r1表示第二透镜的前表面的曲率半径,r2表示后表面的曲率半径 的第一个镜头。
    • 10. 发明授权
    • Imaging system
    • 成像系统
    • US07986464B2
    • 2011-07-26
    • US12453791
    • 2009-05-22
    • Jung-Yao ChenWei-Chung ChaoYu-Tsung Lee
    • Jung-Yao ChenWei-Chung ChaoYu-Tsung Lee
    • G02B9/04G02B13/18G02B17/00G02B9/62
    • G02B17/08
    • An image system adapted to a projection display apparatus includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, an aspheric reflector, and a curved reflector. The second lens group includes an aspheric lens which is the nearest to the light valve in the second lens group. A material of the aspheric lens includes glass, the thermal-optical coefficient of the glass is between 1.0×10−6/K and 12.5×10−6/K, and the refractive index of the glass is between 1.482 and 1.847. The aspheric reflector is disposed front of the first lens group for reflecting the image beam passing through the first lens group and second lens group. The curved reflector is disposed above the first lens group for reflecting the image beam reflected by the aspheric reflector onto the screen. The image system has a good imaging quality.
    • 适于投影显示装置的图像系统包括具有负屈光力的第一透镜组,具有正屈光力的第二透镜组,非球面反射器和弯曲反射器。 第二透镜组包括与第二透镜组中的光阀最近的非球面透镜。 非球面透镜的材料包括玻璃,玻璃的热 - 光系数在1.0×10 -6 / K至12.5×10 -6 / K之间,玻璃的折射率在1.482和1.847之间。 非球面反射器设置在第一透镜组的前方,用于反射通过第一透镜组和第二透镜组的图像光束。 弯曲的反射器设置在第一透镜组的上方,用于将由非球面反射器反射的图像光束反射到屏幕上。 图像系统具有良好的成像质量。