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    • 1. 发明申请
    • LED PACKAGE
    • LED封装
    • US20120168798A1
    • 2012-07-05
    • US13226090
    • 2011-09-06
    • Cheon Ho ParkJae Sung You
    • Cheon Ho ParkJae Sung You
    • H01L33/58
    • H01L33/58
    • A light emitting device (LED) package is disclosed. The light emitting device package includes a light emitting device, a substrate on which the light emitting device is mounted in plural; and a lens mounted on the substrate so as to cover and seal the light emitting device and having an accommodating groove formed in a lower surface thereof contacting the substrate, the accommodating groove accommodating the light emitting device, and a concave portion formed in an upper surface thereof in such a manner as to be disposed at a position corresponding to the light emitting device, wherein the concave portion has a radius of curvature on an optical axis of the lens and is formed to be depressed from the upper surface to the lower surface.
    • 公开了一种发光器件(LED)封装。 发光器件封装包括发光器件,多个安装有发光器件的衬底; 以及安装在基板上的透镜,以覆盖和密封发光器件,并且具有形成在其与接触基板的下表面中的容纳槽,容纳发光器件的容纳槽和形成在上表面中的凹部 其设置在与发光装置相对应的位置,其中凹部具有在透镜的光轴上的曲率半径,并且形成为从上表面到下表面压下。
    • 3. 发明授权
    • Subminiature imaging optical system
    • 超小型成像光学系统
    • US07755851B2
    • 2010-07-13
    • US12073460
    • 2008-03-05
    • Cheon Ho ParkPhil Ho JungJae Cheol JeongSadao Okudaira
    • Cheon Ho ParkPhil Ho JungJae Cheol JeongSadao Okudaira
    • G02B3/02G02B13/18
    • G02B13/004G02B9/34G02B13/18G02B27/0025
    • There is provided a subminiature imaging optical system installed in a mobile telecommunication terminal or a PDA, or used in a surveillance camera or a digital camera. The subminiature imaging optical system including: first, second, third and fourth lenses sequentially positioned from an object side to an image side, the first lens having positive refractive power, the second lens having negative refractive power, the third lens having negative refractive power, and the fourth lens having positive refractive power, wherein each of the third and fourth lenses has at least one aspherical surface. The subminiature imaging optical system corrects chromatic aberration superbly to reduce color fringing significantly, thereby achieving high resolution and compactness as well.
    • 提供了安装在移动通信终端或PDA中的微型成像光学系统,或者用于监视摄像机或数字照相机。 所述超小型成像光学系统包括:从物体侧到图像侧依次定位的第一,第二,第三和第四透镜,所述第一透镜具有正折射光焦度,所述第二透镜具有负折光力,所述第三透镜具有负折光力, 并且所述第四透镜具有正折射光焦度,其中所述第三透镜和所述第四透镜中的每一个具有至少一个非球面。 超小型成像光学系统能够显着地校正色差,以显着降低色边,从而实现高分辨率和紧凑性。
    • 4. 发明授权
    • Imaging optical system
    • 成像光学系统
    • US07710665B2
    • 2010-05-04
    • US12232385
    • 2008-09-16
    • Cheon Ho ParkMoon Sik Jung
    • Cheon Ho ParkMoon Sik Jung
    • G02B9/60G02B9/34G02B3/02
    • G02B13/006G02B9/34G02B9/60G02B13/004
    • There is provided a high-definition imaging optical system including: an aperture stop; a first lens disposed at an image side of the aperture stop, the first lens having a positive refractive power and having a convex object-side surface; a second lens disposed at an image side surface of the first lens; a third lens disposed at an image side surface of the second lens; a fourth lens having a convex image-side surface and having a positive refractive power; and a fifth lens having a concave image-side surface and having a negative refractive power, wherein a combined refractive power of the second and third lenses is negative. The optical system is high-performing and compact and can be further improved in resolution. Also, the optical system can correct chromatic aberration and improve color fringing in the case of indoor or outdoor photographing.
    • 提供了一种高分辨率成像光学系统,包括:孔径光阑; 设置在所述孔径光阑的像侧的第一透镜,所述第一透镜具有正的折光力并具有凸的物体侧表面; 设置在第一透镜的像侧表面的第二透镜; 设置在所述第二透镜的像侧表面的第三透镜; 第四透镜,具有凸像像面并具有正折射光焦度; 以及具有凹面像侧面并具有负屈光力的第五透镜,其中第二透镜和第三透镜的组合屈光力为负。 光学系统是高性能和紧凑的,并且可以进一步提高分辨率。 此外,在室内或室外拍摄的情况下,光学系统可以校正色差并改善色彩边缘。
    • 5. 发明申请
    • Imaging optical system
    • 成像光学系统
    • US20090122423A1
    • 2009-05-14
    • US12232385
    • 2008-09-16
    • Cheon Ho ParkMoon Sik Jung
    • Cheon Ho ParkMoon Sik Jung
    • G02B9/60
    • G02B13/006G02B9/34G02B9/60G02B13/004
    • There is provided a high-definition imaging optical system including: an aperture stop; a first lens disposed at an image side of the aperture stop, the first lens having a positive refractive power and having a convex object-side surface; a second lens disposed at an image side surface of the first lens; a third lens disposed at an image side surface of the second lens; a fourth lens having a convex image-side surface and having a positive refractive power; and a fifth lens having a concave image-side surface and having a negative refractive power, wherein a combined refractive power of the second and third lenses is negative. The optical system is high-performing and compact and can be further improved in resolution. Also, the optical system can correct chromatic aberration and improve color fringing in the case of indoor or outdoor photographing.
    • 提供了一种高分辨率成像光学系统,包括:孔径光阑; 设置在所述孔径光阑的像侧的第一透镜,所述第一透镜具有正的折光力并具有凸的物体侧表面; 设置在第一透镜的像侧表面的第二透镜; 设置在所述第二透镜的像侧表面的第三透镜; 第四透镜,具有凸像像面并具有正折射光焦度; 以及具有凹面像侧面并具有负屈光力的第五透镜,其中第二透镜和第三透镜的组合屈光力为负。 光学系统是高性能和紧凑的,并且可以进一步提高分辨率。 此外,在室内或室外拍摄的情况下,光学系统可以校正色差并改善色彩边缘。
    • 6. 发明申请
    • Subminiature imaging optical system
    • 超小型成像光学系统
    • US20080225408A1
    • 2008-09-18
    • US12073460
    • 2008-03-05
    • Cheon Ho ParkPhil Ho JungJae Cheol JeongSadao Okudaira
    • Cheon Ho ParkPhil Ho JungJae Cheol JeongSadao Okudaira
    • G02B3/02
    • G02B13/004G02B9/34G02B13/18G02B27/0025
    • There is provided a subminiature imaging optical system installed in a mobile telecommunication terminal or a PDA, or used in a surveillance camera or a digital camera. The subminiature imaging optical system including: first, second, third and fourth lenses sequentially positioned from an object side to an image side, the first lens having positive refractive power, the second lens having negative refractive power, the third lens having negative refractive power, and the fourth lens having positive refractive power, wherein each of the third and fourth lenses has at least one aspherical surface. The subminiature imaging optical system corrects chromatic aberration superbly to reduce color fringing significantly, thereby achieving high resolution and compactness as well.
    • 提供了安装在移动通信终端或PDA中的微型成像光学系统,或者用于监视摄像机或数字照相机。 所述超小型成像光学系统包括:从物体侧到图像侧依次定位的第一,第二,第三和第四透镜,所述第一透镜具有正折射光焦度,所述第二透镜具有负折光力,所述第三透镜具有负折光力, 并且所述第四透镜具有正折射光焦度,其中所述第三透镜和所述第四透镜中的每一个具有至少一个非球面。 超小型成像光学系统能够显着地校正色差,以显着降低色边,从而实现高分辨率和紧凑性。
    • 7. 发明授权
    • Cephalosporin compounds
    • 头孢菌素化合物
    • US5663331A
    • 1997-09-02
    • US256348
    • 1995-01-23
    • Kee Won KimJae Hoon KangCheon Ho Park
    • Kee Won KimJae Hoon KangCheon Ho Park
    • A61K31/545A61K31/546A61P31/04C07D501/00C07D501/36
    • C07D501/00
    • The present invention relates to new cephalosporin compounds of the formula (I), particularly 3-position of cephem rings thereof substituted with new thione compounds and pharmaceutically acceptable salts thereof, which have broad antibacterial activities against both Gram-positive and Gram-negative bacteria, and the said compounds can be prepared by reacting the compounds of the formula (II) with the new thione compounds of the formula (III). ##STR1## wherein R.sub.1 is a C.sub.1-4 alkyl(preferably methyl or ethyl), C.sub.3-4 alkenyl(preferably allyl), C.sub.3-4 alkynyl (preferably propargyl) group or --C(R.sup.a) (R.sup.b)CO.sub.2 H(preferably --C(CH.sub.3).sub.2 CO.sub.2 H or --CH.sub.2 CO.sub.2 H), wherein R.sup.1 and R.sup.b, same or different, are a hydrogen atom or a C.sub.1-4 alkyl group;R.sub.2 is a C.sub.1-4 alkyl(preferably methyl or ethyl), C.sub.3-4 alkenyl(preferably allyl), C.sub.3-4 cycloalkyl(preferably cyclopropyl) group or carboxyalkyl(preferably --CH.sub.2 CO.sub.2 H) group;R.sub.3 is a 5- or 6-membered heterocyclic compound-containing 1 or 2 nitrogen atom(s) (preferably piperazine, alkylpiperazine-substituted with C.sub.1-4 alkyl at N-- or 2-position of piperazine, imidazole-substituted or unsubstituted with C.sub.1-4 alkyl); R.sub.4 is hydrogen or a carboxylic acid.
    • PCT No.PCT / KR93 / 00005 Sec。 371日期1995年1月24日 102(e)1995年1月24日PCT PCT 1993年1月16日PCT公布。 公开号WO93 / 15084 日期:1993年8月5日本发明涉及式(I)的新型头孢菌素化合物,特别是用新的硫酮化合物及其药学上可接受的盐取代的头孢烯环的3-位,其具有对革兰氏阳性和 革兰氏阴性细菌,所述化合物可以通过使式(II)化合物与式(III)的新型硫酮化合物反应来制备。 (II)甲基或乙基),C3-4烯基(优选烯丙基),C3-4炔基(优选炔丙基)或-C(Ra)(Rb)CO2H( 优选-C(CH 3)2 CO 2 H或-CH 2 CO 2 H),其中R 1和R b相同或不同,为氢原子或C 1-4烷基; R2是C1-4烷基(优选甲基或乙基),C3-4烯基(优选烯丙基),C3-4环烷基(优选环丙基)或羧基烷基(优选-CH2CO2H)基团; R3是含有1或2个氮原子的5或6元杂环化合物(优选哌嗪,哌嗪,被哌嗪的N-或2-位上的C 1-4烷基取代的烷基哌嗪,咪唑取代或未取代的C1 -4烷基); R4是氢或羧酸。