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    • 1. 发明授权
    • Optical system for processing image using point spread function and image processing method thereof
    • 使用点扩散函数处理图像的光学系统及其图像处理方法
    • US07633544B2
    • 2009-12-15
    • US11495563
    • 2006-07-31
    • Yeon Kyung WooHo Seop JeongHwa Hun ChinJun Ho Mun
    • Yeon Kyung WooHo Seop JeongHwa Hun ChinJun Ho Mun
    • H04N5/232
    • G02B27/46
    • Provided are an optical system for processing an image using a PSF and an image processing method thereof. The optical system includes one or more lenses, an image sensor, and an image processor. The image sensor senses an image formed by the lenses, and the image processor recovers the image sensed by the image sensor using a PSF. A BFL defined as a distance between a refractive surface of one of the lenses that is closest to an image-side and the image sensor, is controlled such that ΔPSF defined by Equation below has a value less than 100%. Δ ⁢ ⁢ PSF ⁡ ( % ) = PSF ∞ - PSF macro ( PSF ∞ + PSF macro ) ⁢ / ⁢ 2 × 100 An image is recovered using a PSF, so that an excellent image can be obtained over a wide object distance range.
    • 提供了一种使用PSF处理图像的光学系统及其图像处理方法。 光学系统包括一个或多个透镜,图像传感器和图像处理器。 图像传感器感测由透镜形成的图像,并且图像处理器使用PSF来恢复由图像传感器感测的图像。 被定义为最靠近图像侧的透镜的折射表面与图像传感器之间的距离的BFL被控制,使得由下面的等式定义的ΔPSF具有小于100%的值。 三角洲PSF⁡(%)= PSF∞ - PSF宏(PSF∞+ PSF宏)×2×100利用PSF恢复图像,从而可以在宽的物距范围内获得优异的图像。
    • 2. 发明授权
    • LED light source lens having upper, central and lower parts
    • LED光源透镜具有上,中,下部分
    • US07540635B2
    • 2009-06-02
    • US11500362
    • 2006-08-08
    • Jin Jong KimBum Jin KimHo Seop Jeong
    • Jin Jong KimBum Jin KimHo Seop Jeong
    • F21V5/00
    • G02B19/0071G02B19/0028G02B19/0061H01L33/54H01L33/60
    • Disclosed herein is a Light Emitting Diode (LED) light source lens for emitting light in a lateral direction. The LED source lens includes an upper part, an upper part and a central part. The upper part includes an upper part reflecting surface bent symmetrically with respect to the central axis of the lens, and an upper part refracting surface extended from the end of the upper part reflecting surface parallel with the central axis. The central part includes a side surface extended from the lower end of the upper part refracting surface and bend inwards, and refracts or reflects light through the side surface. The lower part accommodates the LED light source, and includes an arch-shaped lower part refracting surface extended outwards from the lower end of the side surface of the central part. The light radiated from the LED light source is emitted perpendicular to the central axis.
    • 本文公开了一种用于沿横向发射光的发光二极管(LED)光源透镜。 LED源透镜包括上部,上部和中心部。 上部包括相对于透镜的中心轴对称地弯曲的上部反射面,以及从上部反射面的与中心轴平行的端部延伸的上部折射面。 中心部分包​​括从上部折射表面的下端延伸并向内弯曲的侧表面,并且通过侧表面折射或反射光。 下部容纳LED光源,并且包括从中心部分的侧表面的下端向外延伸的拱形下部折射表面。 从LED光源照射的光垂直于中心轴发射。
    • 3. 发明授权
    • Subminiature imaging optical system
    • 超小型成像光学系统
    • US07474480B2
    • 2009-01-06
    • US11987387
    • 2007-11-29
    • Hye Ran OhIn Cheol ChangHo Seop JeongHo Sik YouSang Hyuck Lee
    • Hye Ran OhIn Cheol ChangHo Seop JeongHo Sik YouSang Hyuck Lee
    • G02B9/06G02B3/02
    • G02B13/003G02B9/06G02B13/18
    • A subminiature imaging optical system including: a first lens having overall positive refractive power, the first lens including a first lens part having a convex object-side surface, a second lens part having an object-side surface in contact with an image-side surface of the first lens part and a third lens part having an object-side surface in contact with an image-side surface of the second lens part; and a second lens having overall positive refractive power, the second lens including a fourth lens part having an object-side surface with a convex center and a concave peripheral portion, about an optical axis, a fifth lens part having an object-side surface in contact with an image-side surface of the fourth lens part and a sixth lens part having an object-side surface in contact with an image-side surface of the fifth lens part, wherein the second lens part has a stop provided on the object-side or image-side surface thereof.
    • 一种超小型成像光学系统,包括:具有整体正屈光力的第一透镜,所述第一透镜包括具有凸形物体侧表面的第一透镜部分,具有与图像侧表面接触的物体侧表面的第二透镜部分 并且具有与第二透镜部的图像侧表面接触的物体侧表面的第三透镜部; 和具有整体正屈光力的第二透镜,所述第二透镜包括第四透镜部分,所述第四透镜部分具有围绕光轴的具有凸中心和凹周边部分的物体侧表面,所述第五透镜部分具有物体侧表面 与第四透镜部分的图像侧表面接触,并且具有与第五透镜部分的图像侧表面接触的物体侧表面的第六透镜部分,其中第二透镜部分设置在物镜侧表面上, 侧面或图像侧表面。
    • 4. 发明申请
    • Subminiature imaging optical system
    • 超小型成像光学系统
    • US20080130143A1
    • 2008-06-05
    • US11987387
    • 2007-11-29
    • Hye Ran OhIn Cheol ChangHo Seop JeongHo Sik YouSang Hyuck Lee
    • Hye Ran OhIn Cheol ChangHo Seop JeongHo Sik YouSang Hyuck Lee
    • G02B9/08
    • G02B13/003G02B9/06G02B13/18
    • A subminiature imaging optical system including: a first lens having overall positive refractive power, the first lens including a first lens part having a convex object-side surface, a second lens part having an object-side surface in contact with an image-side surface of the first lens part and a third lens part having an object-side surface in contact with an image-side surface of the second lens part; and a second lens having overall positive refractive power, the second lens including a fourth lens part having an object-side surface with a convex center and a concave peripheral portion, about an optical axis, a fifth lens part having an object-side surface in contact with an image-side surface of the fourth lens part and a sixth lens part having an object-side surface in contact with an image-side surface of the fifth lens part, wherein the second lens part has a stop provided on the object-side or image-side surface thereof.
    • 一种超小型成像光学系统,包括:具有整体正屈光力的第一透镜,所述第一透镜包括具有凸形物体侧表面的第一透镜部分,具有与图像侧表面接触的物体侧表面的第二透镜部分 并且具有与第二透镜部的图像侧表面接触的物体侧表面的第三透镜部; 和具有整体正屈光力的第二透镜,所述第二透镜包括第四透镜部分,所述第四透镜部分具有围绕光轴的具有凸中心和凹周边部分的物体侧表面,所述第五透镜部分具有物体侧表面 与第四透镜部分的图像侧表面接触,并且具有与第五透镜部分的图像侧表面接触的物体侧表面的第六透镜部分,其中第二透镜部分设置在物镜侧表面上, 侧面或图像侧表面。
    • 5. 发明授权
    • Optical pickup apparatus having optical detection area for compensating for tracking error offset
    • 具有用于补偿跟踪误差偏移的光学检测区域的光学拾取装置
    • US07298676B2
    • 2007-11-20
    • US10896618
    • 2004-07-22
    • Won-Jae HwangHo-Seop JeongDong-ik Shin
    • Won-Jae HwangHo-Seop JeongDong-ik Shin
    • G11G7/00
    • G11B7/131G11B7/00718G11B7/0903G11B7/094G11B7/0943
    • The optical pickup apparatus includes a light emitting means, an optical means, and an optical detection means. The light emitting means emits a single beam. The optical means diffracts the single beam, focuses the optical spot of the diffracted beam on a track, and transmits the diffracted beam to an outside. The optical detection means includes a first optical detection unit on which a central beam having a 0-order diffraction coefficient is focused, and second and third optical detection units on which side beams having ±1 diffraction coefficients are focused, respectively. Each optical detection unit is segmented into a specific number of optical detection areas, and at least one of the optical detection units is provided with an optical detection area on which a tracking error signal used to compensate for tracking offset attributable to optical axis offset of an objective lens is not formed.
    • 光学拾取装置包括发光装置,光学装置和光学检测装置。 发光装置发射单个光束。 光学装置衍射单个光束,将衍射光束的光点聚焦在轨道上,并将衍射光束传输到外部。 光检测装置包括:第一光学检测单元,其上聚焦有0级衍射系数的中心束;以及分别具有±1个衍射系数的侧光束聚焦的第二和第三光学检测单元。 每个光学检测单元被分割成特定数量的光学检测区域,并且至少一个光学检测单元设置有光学检测区域,在该检测区域上用于补偿归因于光学偏移的光轴偏移的跟踪偏移 物镜没有形成。