公开(公告)号：US09395616B2

公开(公告)日：2016-07-19

申请号：US14526534

申请日：2014-10-29

Applicant: Fu-Ming Chuang ,  Hung-Ta Chien ,  Fang-Hsuan Su

Inventor： Fu-Ming Chuang ,  Hung-Ta Chien ,  Fang-Hsuan Su

IPC: G03B21/602 ,  G03F7/00 ,  G02B5/09 ,  G02B5/02 ,  G02B5/00 ,  G02B3/00 ,  G02B3/08

CPC classification number: G03B21/602 ,  G02B3/0006 ,  G02B3/08 ,  G02B5/003 ,  G02B5/0284 ,  G02B5/09 ,  G03F7/0005

Abstract: A projection screen that includes a transparent substrate, a plurality of micro-lens structures, a Fresnel lens structure, a light absorption layer, and a diffusive reflection layer is provided. The transparent substrate has a first surface and a second surface opposite to the first surface. The micro-lens structures are located at the first surface of the transparent substrate. The Fresnel lens structure is located at the second surface of the transparent substrate. The light absorption layer includes a light absorption portion. The diffusive reflection layer includes a plurality of dispersive diffusive reflection portions connected to the Fresnel lens structure. The deviation degrees of the diffusive reflection portions with respect to a plurality of optical axes of the corresponding micro-lens structures increase together with an increase in slopes of inclined surfaces of the Fresnel lens structure on the corresponding optical axes. A manufacturing method of the projection screen is also provided.

Abstract translation: 提供了包括透明基板，多个微透镜结构，菲涅尔透镜结构，光吸收层和漫反射层的投影屏幕。 透明基板具有与第一表面相对的第一表面和第二表面。 微透镜结构位于透明基板的第一表面。 菲涅耳透镜结构位于透明基板的第二表面。 光吸收层包括光吸收部分。 扩散反射层包括连接到菲涅尔透镜结构的多个分散漫反射部分。 扩散反射部分相对于相应的微透镜结构的多个光轴的偏离度随着菲涅尔透镜结构在相应光轴上的倾斜表面的斜率的增加而增加。 还提供了投影屏幕的制造方法。

公开(公告)号：US09007694B2

公开(公告)日：2015-04-14

申请号：US14200018

申请日：2014-03-07

Applicant: Fu-Ming Chuang ,  Chih-Chieh Yu ,  Chih-Meng Wu

Inventor： Fu-Ming Chuang ,  Chih-Chieh Yu ,  Chih-Meng Wu

IPC: G02B27/12 ,  G02B27/01 ,  G02B5/30

CPC classification number: G02B27/0101 ,  G02B5/30

Abstract: A display apparatus including a display unit, a first reflector, a second reflector, a third reflector and a lens unit is provided. The display unit emits an image beam. The first reflector is disposed on a transmission path of the image beam. The second reflector is disposed on the transmission path of the image beam from the first reflector. The third reflector is disposed on the transmission path of the image beam from the second reflector. The lens unit is disposed on the transmission path of the image beam from the third reflector. The image beam emitted from the display unit passes through a space defined between the second reflector and the third reflector and is transmitted to the first reflector. Afterward, the image beam is sequentially reflected by the first reflector, the second reflector and the third reflector, and then passes through the lens unit.

Abstract translation: 提供一种显示装置，包括显示单元，第一反射器，第二反射器，第三反射器和透镜单元。 显示单元发射图像束。 第一反射器设置在图像束的传输路径上。 第二反射器设置在来自第一反射器的图像束的传输路径上。 第三反射器设置在来自第二反射器的图像束的传输路径上。 透镜单元设置在来自第三反射器的图像束的传输路径上。 从显示单元发射的图像束通过在第二反射器和第三反射器之间限定的空间，并被传送到第一反射器。 之后，图像光束被第一反射器，第二反射器和第三反射器依次反射，然后通过透镜单元。

公开(公告)号：US07742249B2

公开(公告)日：2010-06-22

申请号：US11829304

申请日：2007-07-27

Applicant: Kuo-Chiang Lin ,  Hsin-Chung Lin ,  Fu-Ming Chuang

Inventor： Kuo-Chiang Lin ,  Hsin-Chung Lin ,  Fu-Ming Chuang

IPC: G02B5/22 ,  G03B21/14

CPC classification number: G02B26/008 ,  G02B7/006

Abstract: A color wheel includes a fixing base, a ring filter, a washer, and a fixing ring. The fixing base has a protrusion portion and a supporting portion. The ring filter is fit on the protrusion portion. An inner margin of the ring filter leans on the supporting portion. The washer is connected to the protrusion portion. The ring filter is disposed between the washer and the supporting portion. The washer and the supporting portion clip the inner margin of the ring filter. The fixing ring has an annular supporting portion, a side wall surrounding the annular supporting portion, and fixing blocks connected to the side wall and dotted on an outer margin of the ring filter. The outer margin of the ring filter leans on the annular supporting portion. The fixing blocks, the side wall, and the annular supporting portion clip the outer margin of the ring filter.

Abstract translation: 色轮包括固定底座，环形过滤器，垫圈和固定环。 固定基座具有突出部分和支撑部分。 环形过滤器配合在突出部上。 环形过滤器的内边缘倾斜在支撑部分上。 垫圈连接到突出部分。 环形过滤器设置在垫圈和支撑部之间。 垫圈和支撑部分夹住环形过滤器的内边缘。 固定环具有环形支撑部分，围绕环形支撑部分的侧壁和连接到侧壁并且点缀在环形过滤器的外边缘上的固定块。 环形过滤器的外缘倾斜在环形支撑部分上。 固定块，侧壁和环形支撑部夹住环形过滤器的外边缘。

公开(公告)号：US07643220B2

公开(公告)日：2010-01-05

申请号：US12044580

申请日：2008-03-07

Applicant: Jung-Yao Chen ,  Yu-Hung Chou ,  Chien-Hsiung Tseng ,  Kuo-Chuan Wang ,  Fu-Ming Chuang

Inventor： Jung-Yao Chen ,  Yu-Hung Chou ,  Chien-Hsiung Tseng ,  Kuo-Chuan Wang ,  Fu-Ming Chuang

IPC: G02B15/14

CPC classification number: G02B15/177 ,  G02B13/16

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20090316430A1

公开(公告)日：2009-12-24

申请号：US12405243

申请日：2009-03-17

Applicant: Fu-Ming Chuang ,  Tun-Chien Teng ,  Chih-Jen Tsang

Inventor： Fu-Ming Chuang ,  Tun-Chien Teng ,  Chih-Jen Tsang

IPC: F21V7/22 ,  G02F1/13357

CPC classification number: G02F1/133611 ,  G02B3/0043 ,  G02B3/0056 ,  G02B5/02 ,  G02B5/045 ,  G02B6/0053 ,  G02F1/133504 ,  G02F2001/133507 ,  G02F2001/133607

Abstract: A backlight module including at least one light emitting element and a brightness enhancement diffuser is provided. The light emitting element is capable of emitting a light beam. The brightness enhancement diffuser is disposed in the transmission path of the light beam and has a first surface and a second surface opposite to the first surface. The light beam passes through the first surface and the second surface. The brightness enhancement diffuser includes a plurality of protrusions and a plurality of recesses. The protrusions are disposed on the first surface, and each of the protrusions has a curved surface. The recesses are disposed on the first surface, and each of the recesses has at least one plane surface. Each of the recesses is surrounded by several of the protrusions.

Abstract translation: 提供了包括至少一个发光元件和亮度增强漫射器的背光模块。 发光元件能够发射光束。 亮度增强扩散器设置在光束的传输路径中，并且具有与第一表面相对的第一表面和第二表面。 光束穿过第一表面和第二表面。 亮度增强扩散器包括多个突起和多个凹部。 突起设置在第一表面上，并且每个突起都具有弯曲表面。 凹部设置在第一表面上，并且每个凹部具有至少一个平面。 每个凹部被几个突起包围。

公开(公告)号：US20070126329A1

公开(公告)日：2007-06-07

申请号：US11549124

申请日：2006-10-13

Applicant: Fu-Ming Chuang ,  Yi-Tien Lu ,  Bih-Chang Wang

Inventor： Fu-Ming Chuang ,  Yi-Tien Lu ,  Bih-Chang Wang

IPC: H01K1/30 ,  H01J5/16 ,  H01J61/40

CPC classification number: G02B6/0053 ,  G02B5/045

Abstract: A brightness enhancement film having a light exit surface and multiple stripe prisms disposed opposite to the light exit surface is provided. The stripe prisms are parallel, each stripe prism has a light incident curved surface, a light reflective inclined surface and a flat surface, and the light incident curved surface is connected between the light reflective inclined surface and the flat surface. The light incident curved surface and the flat surface are opposite to the light reflective inclined surface. The light incident curved surface is an outward curved surface. Further, a light beam from the light incident curved surface is reflected to the light exit surface by the light reflective surface.

Abstract translation: 提供了具有光出射表面的亮度增强膜和与光出射表面相对设置的多个条纹棱镜。 条状棱镜是平行的，每个条纹棱镜具有光入射弯曲表面，光反射倾斜表面和平坦表面，并且光入射弯曲表面连接在光反射倾斜表面和平坦表面之间。 光入射弯曲表面和平坦表面与光反射倾斜表面相反。 光入射曲面是向外弯曲的表面。 此外，来自光入射弯曲表面的光束被光反射表面反射到光出射表面。

公开(公告)号：US20070115561A1

公开(公告)日：2007-05-24

申请号：US11551247

申请日：2006-10-20

Applicant: Fu-Ming Chuang ,  KUO-CHUAN WANG

Inventor： Fu-Ming Chuang ,  KUO-CHUAN WANG

IPC: G02B15/14

CPC classification number: G02B15/173

Abstract: A zoom lens for imaging an image onto a photosensitive element includes a first lens group, a second lens group, a third lens group and a fourth lens group. The second lens group is located and suitable for moving between the first lens group and the third lens group; the fourth lens group is located and suitable for moving between the third lens group and the photosensitive element. The first lens group, the second lens group, the third lens group, and the fourth lens group have a positive refractive power, a negative refractive power, a positive refractive power and a positive refractive power, respectively. Besides, the third lens group includes at least a hybrid lens and the second lens group includes at least an aspheric lens, the number of the aspheric lens is smaller than or equal to 2. Thus, manufacturing cost of the zoom lens mentioned above is lower.

Abstract translation: 用于将图像成像到感光元件上的变焦透镜包括第一透镜组，第二透镜组，第三透镜​​组和第四透镜组。 第二透镜组位于并适于在第一透镜组和第三透镜组之间移动; 第四透镜组位于并适于在第三透镜组和感光元件之间移动。 第一透镜组，第二透镜组，第三透镜​​组和第四透镜组分别具有正折射光焦度，负折射光焦度，正折射光焦度和正折射光焦度。 此外，第三透镜​​组至少包括混合透镜，并且第二透镜组至少包括非球面透镜，非球面透镜的数量小于或等于2.因此，上述变焦透镜的制造成本较低 。

公开(公告)号：US20070097506A1

公开(公告)日：2007-05-03

申请号：US11535494

申请日：2006-09-27

Applicant: Fu-Ming Chuang

Inventor： Fu-Ming Chuang

IPC: G02B27/64

CPC classification number: G02B27/646 ,  G02B15/173

Abstract: An optical system with an optical axis is provided. The optical system includes at least a lens group and a light deflection element. The lens group includes a plurality of lenses lined along the optical axis. The light deflection element is disposed along the optical axis and located inside or outside the lens group. The light deflection element comprises two substrates and a liquid crystal layer between the substrates. Two electrode layers are respectively disposed on surfaces of the substrates that contact the liquid crystal layer. An electric field is applied to the liquid crystal layer through the electrode layers to vary the refractive index of the liquid crystal layer. An included angle exists between the substrates.

Abstract translation: 提供具有光轴的光学系统。 光学系统至少包括透镜组和光偏转元件。 透镜组包括沿光轴排列的多个透镜。 光偏转元件沿着光轴设置并位于透镜组内部或外部。 光偏转元件包括两个基板和在基板之间的液晶层。 两个电极层分别设置在与液晶层接触的基板的表面上。 通过电极层向液晶层施加电场，以改变液晶层的折射率。 基板之间存在夹角。

公开(公告)号：US06227669B1

公开(公告)日：2001-05-08

申请号：US09205634

申请日：1998-12-03

Applicant: Kuo-Tung Tiao ,  Kuang-Vu Chen ,  Fu-Ming Chuang ,  Jinn-Chou Yoo

Inventor： Kuo-Tung Tiao ,  Kuang-Vu Chen ,  Fu-Ming Chuang ,  Jinn-Chou Yoo

IPC: G03B2100

CPC classification number: F21V5/007 ,  F21Y2105/10 ,  F21Y2115/10 ,  G03B21/208 ,  Y10S362/80

Abstract: An image display is illuminated by a light source employing a plurality of low power light emitting devices. The lifetime and light intensity of the light sourceare increased by orders of magnitude. The illumination provided by the light source is made uniform to efficiently utilize the light source and so obtain optimum projection results.

Abstract translation: 图像显示器由采用多个低功率发光器件的光源照明。 光源的寿命和光强度增加了数量级。 由光源提供的照明是均匀的，以有效地利用光源，从而获得最佳的投影结果。

公开(公告)号：US6011656A

公开(公告)日：2000-01-04

申请号：US173488

申请日：1998-10-14

Applicant: Fu-Ming Chuang

Inventor： Fu-Ming Chuang

IPC: G02B15/177 ,  G02B15/14

CPC classification number: G02B15/177

Abstract: A wide-angle zoom lens includes four sets of lenses. The first set of lenses has a negative effective focal length. The second set of lenses has a positive effective focal length for changing the focal length of the wide-angle zoom lens. The third set of lenses has a negative effective focal length for changing the focal length of the wide-angle zoom lens, as well. The fourth set of lenses has a positive effective focal length. The focal length of the wide-angle zoom lens can be changed by changing the positions of the second set of lenses and the third set of lenses along the optical axis of the wide-angle zoom lens.

Abstract translation: 广角变焦镜头包括四组镜头。 第一组透镜具有负的有效焦距。 第二组透镜具有用于改变广角变焦镜头的焦距的正的有效焦距。 第三组透镜也具有用于改变广角变焦镜头的焦距的负的有效焦距。 第四组透镜具有正的有效焦距。 可以通过沿着广角变焦镜头的光轴改变第二组透镜和第三组透镜的位置来改变广角变焦镜头的焦距。