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    • 21. 发明授权
    • Single F-theta lens used for micro-electro mechanical system (MEMS) laser scanning unit
    • 用于微机电系统(MEMS)激光扫描单元的单F-theta透镜
    • US07852566B2
    • 2010-12-14
    • US12355479
    • 2009-01-16
    • Bo-Yuan Shih
    • Bo-Yuan Shih
    • G02B3/00G02B26/08
    • G02B13/0005
    • A single f-θ lens used for a micro-electro mechanical system (MEMS) laser scanning unit is in a meniscus shape formed by the lens in which a concave surface faces towards the side of a MEMS reflecting mirror. The single f-θ lens has a first optical surface and a second optical surface, at least one optical surface is aspherical surface in both main scanning direction and sub scanning direction, and satisfies specifical optical conditions. The single f-θ lens converts the nonlinear relationship between scanned angle and the time into the linear relationship between the imaged spot distances and the time. Meanwhile, the single f-θ lens focuses the scan light to the target in the main scanning and sub scanning directions, such that the purpose of the scanning linearity effect and the high resolution scanning can be achieved.
    • 一个f-&thetas; 用于微机电系统(MEMS)激光扫描单元的透镜是由透镜形成的弯月形状,其中凹面朝向MEMS反射镜侧。 单个f-&thetas; 透镜具有第一光学表面和第二光学表面,至少一个光学表面在主扫描方向和副扫描方向都是非球面,并且满足特定的光学条件。 单个f-&thetas; 透镜将扫描角度和时间之间的非线性关系转换为成像光点距离与时间之间的线性关系。 同时,单一的f-&thetas; 透镜在主扫描和副扫描方向上将扫描光聚焦到目标,使得可以实现扫描线性效应和高分辨率扫描的目的。
    • 22. 发明授权
    • Convex-fresnel LED lens and LED assembly thereof
    • 凸透镜LED透镜及其LED组件
    • US07800840B2
    • 2010-09-21
    • US12469048
    • 2009-05-20
    • San- Woei ShyuYi- Min Chen
    • San- Woei ShyuYi- Min Chen
    • G02B3/08G02B27/02
    • F21V5/045F21Y2115/10G02B3/08G02B19/0009G02B19/0061H04M1/22
    • A convex-Fresnel LED lens and a LED assembly thereof are revealed. The lens is a Fresnel lens whose optical surface on a forward side thereof is a convex surface having draft with vertical shape so that the lens in the LED assembly concentrates light emitted from a LED chip to generate light whose peak intensity is an elliptic distribution pattern. Moreover, the lens and the LED assembly thereof satisfy certain conditions. Thereby, light from the LED chip is gathered by a single lens to form a preset specific distribution pattern and is satisfying requirement of the ratio of the luminous flux that is larger than 85%. The convex-Fresnel LED lens and a LED assembly thereof are applied to lights and flashlights in mobile phones or cameras.
    • 揭示了凸菲涅耳LED透镜及其LED组件。 透镜是菲涅耳透镜,其前侧的光学表面是具有垂直形状的具有牵伸力的凸形表面,使得LED组件中的透镜将来自LED芯片的光集中,从而产生峰值强度为椭圆形分布图案的光。 此外,透镜及其LED组件满足一定的条件。 由此,来自LED芯片的光由单个透镜聚光,形成预先设定的特定分布图案,满足光通量比大于85%的要求。 凸菲涅耳LED透镜及其LED组件应用于手机或照相机中的灯和手电筒。
    • 23. 发明授权
    • Molding glass lens and mold thereof
    • 成型玻璃透镜及其模具
    • US07771815B2
    • 2010-08-10
    • US11892950
    • 2007-08-28
    • San-Woei ShyuChia-Wei WangJau-Jan DengWen-Huang LiuChien-Min Wu
    • San-Woei ShyuChia-Wei WangJau-Jan DengWen-Huang LiuChien-Min Wu
    • B32B3/02B32B3/00B32B23/02G02B3/00G02B7/00G02B9/00G02B11/00
    • C03B11/08C03B2215/404C03B2215/49C03B2215/65Y10T428/21Y10T428/219Y10T428/24479Y10T428/24488Y10T428/24777
    • A molding glass lens and a mold thereof are disclosed. The molding glass lens consists of an upper optical surface, a lower optical surface, two outers surrounding the optical surfaces and at least three grooves arranged in the form of a circle disposed on the lower outer and/or the upper outer. The disposition of the grooves has no affecting in original size of the outers as well as assembling with other mechanical parts in les group. The mold of the lens includes an upper molding unit and a lower molding unit. Cavity of each molding unit is composed of a central part for forming an optical surface of the lens and an outer circular part for forming outer of the lens. At least three protrudent parts with the same height are disposed in the form of a circle on the outer circular of the lower molding unit and/or the upper molding unit. Thus the air in the mold cavity is easy to exhaust through the gap formed by protrudent parts and glass preform. Therefore, air bubbles generated during the molding processes are prevented and precision of the glass lens is provided.
    • 公开了一种成型玻璃透镜及其模具。 成型玻璃透镜由上光学表面,下光学表面,围绕光学表面的两个外部和设置在下外部和/或上部外部上的以圆形排列的至少三个凹槽组成。 凹槽的布置对外观的原始尺寸以及与les组中的其他机械部件的组装没有影响。 透镜的模具包括上模制单元和下模制单元。 每个模制单元的腔体由用于形成透镜的光学表面的中心部分和用于形成透镜外部的外部圆形部分组成。 具有相同高度的至少三个凸起部分以下部模制单元和/或上部模制单元的外圆周上的圆形形式设置。 因此,模腔中的空气容易通过突出部分和玻璃预制件形成的间隙排出。 因此,防止了在成型过程中产生的气泡并提供了玻璃透镜的精度。
    • 25. 发明授权
    • Two-element f-θ lens used for micro-electro mechanical system (MEMS) laser scanning unit
    • 用于微机电系统(MEMS)激光扫描单元的双元素f-θ透镜
    • US07619801B1
    • 2009-11-17
    • US12421850
    • 2009-04-10
    • Bo-Yuan ShihSan-Woei Shyu
    • Bo-Yuan ShihSan-Woei Shyu
    • G02B26/08
    • G02B26/105
    • A two-element f-θ lens used for a micro-electro mechanical system (MEMS) laser scanning unit includes a first lens and a second lens, the first lens is a biconvex lens and the second lens is a biconcave lens. At least one optical surface is aspherical surface in both main scanning direction and sub scanning direction, and satisfies special optical conditions. The two-element f-θ lens corrects the nonlinear relationship between scanned angle and the time into the linear relationship between the image spot distances and the time. Meanwhile, the two-element f-θ lens focuses the scan light to the target in the main scanning and sun scanning directions, such that the purpose of the scanning linearity effect and the high resolution scanning can be achieved.
    • 用于微机电系统(MEMS)激光扫描单元的双元件f-θ透镜包括第一透镜和第二透镜,第一透镜是双凸透镜,第二透镜是双凹透镜。 至少一个光学表面在主扫描方向和副扫描方向都是非球面,并且满足特殊的光学条件。 双元素f-theta透镜将扫描角度与时间之间的非线性关系校正为图像点距离与时间之间的线性关系。 同时,双元素f-θ透镜在主扫描和太阳扫描方向上将扫描光聚焦到目标,使得可以实现扫描线性效应和高分辨率扫描的目的。
    • 27. 发明申请
    • LED assembly with molded glass lens
    • LED组件与模制玻璃透镜
    • US20080203412A1
    • 2008-08-28
    • US11711890
    • 2007-02-28
    • San-Woei ShyuChing-Yuan LinChien-Yi Huang
    • San-Woei ShyuChing-Yuan LinChien-Yi Huang
    • H01L33/00
    • H01L33/58H01L33/54H01L2224/48091H01L2224/48247H01L2924/00014
    • A LED assembly with a molded glass lens includes a base, at least one LED chip and a cover lens. The LED assembly feature on that the cover lens consists of a molded glass lens and a transparent resin layer. A molded glass lens is covered on a loading surface of the base and then liquid transparent resin is filled into space between an inner surface of the molded glass lens and the loading surface through preset filling holes to coat the LED chip completely. After hardening, the transparent resin integrated with the molded glass lens so as to replace conventional cover lens made from transparent resin. Therefore, not only thermal resistance, weather resistance, discoloration resistance, and mechanical strength of the LED assembly are increased, but the brightness and light-emitting efficiency of the LED assembly are also improved.
    • 具有模制玻璃透镜的LED​​组件包括底座,至少一个LED芯片和盖子透镜。 LED组件的特征在于覆盖透镜由模制玻璃透镜和透明树脂层组成。 将模制的玻璃透镜覆盖在基座的装载表面上,然后通过预设的填充孔将液体透明树脂填充到模制的玻璃透镜的内表面和装载表面之间的空间中,以完全涂覆LED芯片。 硬化后,与模制的玻璃透镜一体化的透明树脂,以代替由透明树脂制成的常规盖玻片。 因此,不仅提高了LED组件的耐热性,耐候性,耐变色性和机械强度,还提高了LED组件的亮度和发光效率。
    • 28. 发明授权
    • fθ lens in laser scanning unit and method of making
    • ftheta透镜在激光扫描单元和制作方法
    • US07382543B2
    • 2008-06-03
    • US11002087
    • 2004-12-03
    • Jau-Jan Deng
    • Jau-Jan Deng
    • G02B3/00
    • G02B13/0005B29D11/00009G02B27/0012
    • The present invention mainly relates to the structure and manufacturing process of a new fθ lens in LSU, which is plastic lens produced through injection molding. Its optical surface is made of multi-sections, and the optical surface of each section, according to the angles formed between the sections and the laser beams ripping-in, are designed with a specified coefficient set. Therefore, this new fθ lens, with high tolerance in assembling and high performance in scanning, avoids the demerit of conventional fθ lens, each optical surface of which has only one coefficient set. According to the curve fall formed at the border of every two optical surfaces, we find out a way to ascertain the best continuing surface profile, which is curve fitting simulation and optical simulation. At last, we produce a mold for the fθ lens with multi-sections optical surface by using super-precise machine process to control the mold processing and use the mold for injection molding, and then manufacture lots of fθ lens with multi-sections optical surface.
    • 本发明主要涉及LSU中新型透镜的结构和制造工艺,LSU是通过注射成型制造的塑料透镜。 其光学表面由多部分制成,每个部分的光学表面根据部分之间形成的角度和激光束的切入,设计为具有规定的系数组。 因此,这种具有高的组合公差和高扫描性能的新型透镜,避免了传统的透镜的缺点,每个透镜的每个光学表面只有一个系数组。 根据在每两个光学表面的边界处形成的曲线下降,我们找到了一种确定最佳连续表面轮廓的方法,即曲线拟合仿真和光学模拟。 最后,我们通过超精密机械加工制造了具有多段光学表面的透镜的模具,以控制模具加工并使用模具进行注塑,然后制造出许多具有多段光学表面的透镜 。
    • 29. 发明授权
    • Laser scanning unit
    • 激光扫描单元
    • US07190499B2
    • 2007-03-13
    • US10750757
    • 2004-01-05
    • Jau-Jan DengGuo-Zen ChenI-Lin ChuMing-Hua WenSan-Woei Shyu
    • Jau-Jan DengGuo-Zen ChenI-Lin ChuMing-Hua WenSan-Woei Shyu
    • G02B26/08
    • G02B26/0833B41J2/471Y10S359/904
    • A laser scanning unit mainly includes a semiconductor laser, a collimator, a micro electronic mechanic system (MEMS) oscillatory mirror, and an fθ lens or an f sin θ lens. The MEMS oscillatory mirror is disposed between the collimator and the fθ lens to replace a conventional rotary polygonal mirror for controlling a direction in which laser beams are projected from the oscillatory mirror to the fθ lens. With the MEMS oscillatory mirror, the cylindrical lens may be omitted from the laser scanning unit and noises produced by the polygonal mirror rotating at high speed may be avoided. Moreover, the MEMS oscillatory mirror allows bi-directional scanning to therefore enable increased scanning frequency, simplified structure, and improved scanning efficiency.
    • 激光扫描单元主要包括半导体激光器,准直仪,微电子机械系统(MEMS)振荡镜,以及ftheta透镜或fsinθ透镜。 MEMS振荡镜设置在准直器和透镜之间以替代传统的旋转多面镜,用于控制激光束从振荡镜投射到透镜的方向。 利用MEMS振荡镜,可以从激光扫描单元中省略柱面透镜,并且可以避免由高速旋转的多面镜产生的噪声。 此外,MEMS振荡镜允许双向扫描,因此能够增加扫描频率,简化结构,提高扫描效率。