公开(公告)号：US20120170132A1

公开(公告)日：2012-07-05

申请号：US13107748

申请日：2011-05-13

申请人： Yuan-Fan Liang ,  Tsan-Haw Lee

发明人： Yuan-Fan Liang ,  Tsan-Haw Lee

IPC分类号： G02B3/00

CPC分类号： G02B13/16

摘要： The present invention provides a projection prime lens including first lens group, a second lens group, and a third lens group arranged in sequence along an optical axis from a screen side to a light modulator side. The first lens group has negative refractive power and includes a first lens with negative refractive power and a second lens with negative refractive power. The second lens group has positive refractive power and includes a third lens with positive refractive power and a fourth lens with positive refractive power The third lens group has positive refractive power and includes a fifth lens with negative refractive power, a sixth lens with positive refractive power, and a seventh lens with positive refractive power. Therefore, the projection prime lens of the present invention has a small size and a good image quality.

摘要翻译： 本发明提供了一种包括第一透镜组，第二透镜组和第三透镜组的投影主透镜，其沿着从屏幕侧到光调制器侧的光轴依次布置。 第一透镜组具有负屈光力并且包括具有负屈光力的第一透镜和具有负屈光力的第二透镜。 第二透镜组具有正折光力并且包括具有正屈光力的第三透镜和具有正折光力的第四透镜。第三透镜组具有正折光力并且包括具有负折光力的第五透镜，具有正折光力的第六透镜 ，以及具有正屈光力的第七透镜。 因此，本发明的投影主镜具有小尺寸和良好的图像质量。

公开(公告)号：US08891181B2

公开(公告)日：2014-11-18

申请号：US13480659

申请日：2012-05-25

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B13/04 ,  G02B13/20 ,  H04N5/225

CPC分类号： G02B13/20 ,  G02B13/04 ,  H04N5/2254

摘要： A fixed-focus projection lens has a first lens group and a second lens group in sequence along an optical axis from a screen side to a light modulator side. The first lens group has a positive refractive power, and the second lens group has a positive refractive power. The first lens group has two lenses, and the refractive powers of the lenses are negative and positive. The second lens group has five lenses, and the refractive powers of the lenses respectively are negative, negative, positive, positive, and positive. The fixed-focus projection lens has the features of small size and high optical performance.

摘要翻译： 固定焦点投影透镜沿着从屏幕侧到光调制器侧的光轴顺序地具有第一透镜组和第二透镜组。 第一透镜组具有正折光力，第二透镜组具有正折射光焦度。 第一透镜组具有两个透镜，并且透镜的折射力为负和正。 第二透镜组具有五个透镜，并且透镜的折射力分别为负，负，正，正和正。 固定焦距投影镜头具有体积小，光学性能好的特点。

公开(公告)号：US08531785B2

公开(公告)日：2013-09-10

申请号：US13107748

申请日：2011-05-13

申请人： Yuan-Fan Liang ,  Tsan-Haw Lee

发明人： Yuan-Fan Liang ,  Tsan-Haw Lee

IPC分类号： G02B13/04

CPC分类号： G02B13/16

摘要： The present invention provides a projection prime lens including first lens group, a second lens group, and a third lens group arranged in sequence along an optical axis from a screen side to a light modulator side. The first lens group has negative refractive power and includes a first lens with negative refractive power and a second lens with negative refractive power. The second lens group has positive refractive power and includes a third lens with positive refractive power and a fourth lens with positive refractive power The third lens group has positive refractive power and includes a fifth lens with negative refractive power, a sixth lens with positive refractive power, and a seventh lens with positive refractive power. Therefore, the projection prime lens of the present invention has a small size and a good image quality.

摘要翻译： 本发明提供了一种包括第一透镜组，第二透镜组和第三透镜组的投影主透镜，其沿着从屏幕侧到光调制器侧的光轴依次布置。 第一透镜组具有负屈光力并且包括具有负屈光力的第一透镜和具有负屈光力的第二透镜。 第二透镜组具有正折光力并且包括具有正屈光力的第三透镜和具有正折光力的第四透镜。第三透镜组具有正折光力并且包括具有负折光力的第五透镜，具有正折光力的第六透镜 ，以及具有正屈光力的第七透镜。 因此，本发明的投影主镜具有小尺寸和良好的图像质量。

公开(公告)号：US20120300317A1

公开(公告)日：2012-11-29

申请号：US13480659

申请日：2012-05-25

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B13/18 ,  G02B9/60

CPC分类号： G02B13/20 ,  G02B13/04 ,  H04N5/2254

摘要： A fixed-focus projection lens has a first lens group and a second lens group in sequence along an optical axis from a screen side to a light modulator side. The first lens group has a positive refractive power, and the second lens group has a positive refractive power. The first lens group has two lenses, and the refractive powers of the lenses are negative and positive. The second lens group has five lenses, and the refractive powers of the lenses respectively are negative, negative, positive, positive, and positive. The fixed-focus projection lens has the features of small size and high optical performance.

摘要翻译： 固定焦点投影透镜沿着从屏幕侧到光调制器侧的光轴顺序地具有第一透镜组和第二透镜组。 第一透镜组具有正折光力，第二透镜组具有正折射光焦度。 第一透镜组具有两个透镜，并且透镜的折射力为负和正。 第二透镜组具有五个透镜，并且透镜的折射力分别为负，负，正，正和正。 固定焦距投影镜头具有体积小，光学性能好的特点。

公开(公告)号：US08817383B2

公开(公告)日：2014-08-26

申请号：US13456598

申请日：2012-04-26

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B15/177

CPC分类号： G02B15/177

摘要： A zoom projection lens for a projector includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order along an optical axis from an object side to an image side. The first lens group has an aspheric lens. The third lens group has an aspheric lens and an aperture stop. F-number of the zoom projection lens in wide-angle is less than 2.1, i.e. enlarging a diameter of the aperture stop, to increase the optical efficiency of the projector. Besides, the aspheric lenses may reduce the aberration because of the large aperture stop.

摘要翻译： 投影机的变焦投影透镜包括具有负折光力的第一透镜组，具有正折射光焦度的第二透镜组和具有正折射光焦度的第三透镜组，沿着从物体侧到另一侧的光轴顺序 形象一面 第一透镜组具有非球面透镜。 第三透镜组具有非球面透镜和孔径光阑。 广角变焦投影透镜的F数小于2.1，即放大孔径光阑的直径，以提高投影仪的光学效率。 此外，由于大的孔径光阑，非球面透镜可能会减小像差。

公开(公告)号：US20130279019A1

公开(公告)日：2013-10-24

申请号：US13680113

申请日：2012-11-19

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B15/14

CPC分类号： G02B15/14 ,  G02B15/177

摘要： A zooming lens including a first lens group and a second lens group arranged in sequence from an object side to an image side is provided. The first lens group has negative optical power and includes a negative concave-convex lens and a positive concave-convex lens arranged in sequence from the object side to image side. A convex surface of the negative concave-convex lens is facing toward the object side and a convex surface of the positive concave-convex lens is facing toward the object side. The second lens group has positive optical power and includes a positive convex lens, a negative biconcave lens and a positive biconvex lens arranged in sequence from the object side to image side. The first and second lens groups are movable between the object side and image side for switching the zooming lens between a wide-angle mode, a middle mode and a telephoto mode.

摘要翻译： 提供了包括从物体侧到像侧依次布置的第一透镜组和第二透镜组的变焦透镜。 第一透镜组具有负光焦度，并且包括从物体侧到像侧依次布置的负凹凸透镜和正凹凸透镜。 负凹凸透镜的凸面朝向物体侧，正凹凸透镜的凸面面向物体侧。 第二透镜组具有正光学功率，并且包括从物体侧到像侧依次布置的正凸透镜，负双凹透镜和正双凸透镜。 第一透镜组和第二透镜组可在物体侧和像侧之间移动，用于在广角模式，中间模式和远摄模式之间切换变焦透镜。

公开(公告)号：US08520315B2

公开(公告)日：2013-08-27

申请号：US13184668

申请日：2011-07-18

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B15/14 ,  G02B15/177

CPC分类号： G02B15/14 ,  G02B15/177

摘要： A zoom projection lens includes a first lens set and a second lens set arranged in sequence from an object side to an image side of the zoom projection lens. The first lens set has a negative optical power. The second lens set has a positive optical power. The first lens set has a first lens. The second lens set has a second lens, a third lens, a fourth lens, and an aperture stop disposed between the second lens and the third lens. The first lens is an aspherical plastic lens. One of the third and fourth lenses is an aspherical glass lens. The zoom projection lens satisfies: 1.463

摘要翻译： 变焦投影透镜包括从变焦投影透镜的物体侧到像侧依次排列的第一透镜组和第二透镜组。 第一透镜组具有负光焦度。 第二透镜组具有正光焦度。 第一透镜组具有第一透镜。 第二透镜组具有设置在第二透镜和第三透镜之间的第二透镜，第三透镜​​，第四透镜和孔径光阑。 第一透镜是非球面塑料镜片。 第三和第四透镜中的一个是非球面玻璃透镜。 变焦投影透镜满足：1.463 <| tt / lt | <1.505，其中，tt表示变焦投影透镜的总长度，并且表示变焦投影透镜从第一透镜的物体侧到第一透镜的长度 图像侧的第四个镜头。

公开(公告)号：US20120275034A1

公开(公告)日：2012-11-01

申请号：US13456598

申请日：2012-04-26

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom projection lens for a projector includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order along an optical axis from an object side to an image side. The first lens group has an aspheric lens. The third lens group has an aspheric lens and an aperture stop. F-number of the zoom projection lens in wide-angle is less than 2.1, i.e. enlarging a diameter of the aperture stop, to increase the optical efficiency of the projector. Besides, the aspheric lenses may reduce the aberration because of the large aperture stop.

摘要翻译： 投影机的变焦投影透镜包括具有负折光力的第一透镜组，具有正折射光焦度的第二透镜组和具有正折射光焦度的第三透镜组，沿着从物体侧到另一侧的光轴顺序 形象一面 第一透镜组具有非球面透镜。 第三透镜组具有非球面透镜和孔径光阑。 广角变焦投影透镜的F数小于2.1，即放大孔径光阑的直径，以提高投影仪的光学效率。 此外，由于大的孔径光阑，非球面透镜可能会减小像差。

公开(公告)号：US20120019927A1

公开(公告)日：2012-01-26

申请号：US13184668

申请日：2011-07-18

申请人： Tsan-Haw Lee

发明人： Tsan-Haw Lee

IPC分类号： G02B15/14

CPC分类号： G02B15/14 ,  G02B15/177

摘要： A zoom projection lens includes a first lens set and a second lens set arranged in sequence from an object side to an image side of the zoom projection lens. The first lens set has a negative optical power. The second lens set has a positive optical power. The first lens set has a first lens. The second lens set has a second lens, a third lens, a fourth lens, and an aperture stop disposed between the second lens and the third lens. The first lens is an aspherical plastic lens. One of the third and fourth lenses is an aspherical glass lens. The zoom projection lens satisfies: 1.463

摘要翻译： 变焦投影透镜包括从变焦投影透镜的物体侧到像侧依次排列的第一透镜组和第二透镜组。 第一透镜组具有负光焦度。 第二透镜组具有正光焦度。 第一透镜组具有第一透镜。 第二透镜组具有设置在第二透镜和第三透镜之间的第二透镜，第三透镜​​，第四透镜和孔径光阑。 第一透镜是非球面塑料透镜。 第三和第四透镜中的一个是非球面玻璃透镜。 变焦投影透镜满足：1.463 <| tt / lt | <1.505，其中，tt表示变焦投影透镜的总长度，并且表示变焦投影透镜从第一透镜的物体侧到第一透镜的长度 图像侧的第四个镜头。