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    OPTICAL FILTER
    1.
    发明公开
    OPTICAL FILTER 审中-公开

    公开(公告)号：US20240125988A1

    公开(公告)日：2024-04-18

    申请号：US18476413

    申请日：2023-09-28

    申请人： LMS CO., LTD.

    发明人： Joon Ho JUNG ,  Seon Ho YANG ,  Sung Min HWANG ,  Choon Woo JI ,  Tae Jin SONG

    IPC分类号： G02B5/20

    CPC分类号： G02B5/208 ,  G03B11/00

    摘要： The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple or petal flare.

    BACKLIGHT UNIT USING MINI LED OR MICRO LED AS LIGHT SOURCE
    5.
    发明申请
    BACKLIGHT UNIT USING MINI LED OR MICRO LED AS LIGHT SOURCE 有权

    公开(公告)号：US20210405449A1

    公开(公告)日：2021-12-30

    申请号：US17475151

    申请日：2021-09-14

    申请人： LMS Co., Ltd.

    发明人： Jin Hwan KIM ,  Hyuck Yi KWON ,  Young Man KIM

    IPC分类号： G02F1/13357 ,  G02B5/02 ,  G02B5/04 ,  H01L33/50

    摘要： Disclosed is a backlight unit using a mini light-emitting diode (LED) or a micro LED as a light source according to various embodiments of the present invention. The backlight unit may comprise: a color conversion sheet for converting the color of light emitted from the mini LED or the micro LED; a first diffusion lens sheet disposed on one side of the color conversion sheet and having a plurality of first lenses having a triangular pyramid shape formed to be arranged in a first direction on one surface thereof; and a second diffusion lens sheet disposed on one side of the first diffusion lens sheet, and having a plurality of second lenses having a triangular pyramid shape formed to be arranged in a second direction on one surface thereof.

    Optical filter, and imaging device comprising same
    7.
    发明授权
    Optical filter, and imaging device comprising same 审中-公开

    公开(公告)号：US10670785B2

    公开(公告)日：2020-06-02

    申请号：US14917018

    申请日：2014-08-30

    申请人： LMS Co., Ltd.

    发明人： Joo Young Kim ,  Seon Ho Yang ,  Hong Seok Chin ,  Min Soo Lee

    IPC分类号： G02B5/28 ,  G02B5/22 ,  G02B5/20

    摘要： An optical filter comprising a light absorption layer and a near-infrared reflection layer, and an imaging device comprising the optical filter are provided. Wherein the light absorption layer has an absorption maximum in a wavelength range of 670 to 720 nm, a wavelength at which the near-infrared reflection layer has a light transmittance of 50% is in a range of 690 to 720 nm, and the optical filter satisfies the following Mathematical Formula 1: ΔE*≤1.5  [Mathematical Formula 1] wherein the ΔE* value represents a color difference between light that is incident in a vertical direction of the optical filter and passes through the optical filter and light that is incident at an angle of 30° with respect to the vertical direction of the optical filter and passes through the optical filter.

    LIGHT CONCENTRATING MODULE CAPABLE OF REDUCING BENDING, AND BACKLIGHT UNIT COMPRISING SAME
    10.
    发明申请
    LIGHT CONCENTRATING MODULE CAPABLE OF REDUCING BENDING, AND BACKLIGHT UNIT COMPRISING SAME 审中-公开

    公开(公告)号：US20180172891A1

    公开(公告)日：2018-06-21

    申请号：US15737215

    申请日：2016-06-03

    申请人： LMS Co., Ltd.

    发明人： Eun Mi LEE ,  Jang Hee CHO

    IPC分类号： F21V8/00

    CPC分类号： G02B6/005 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0056 ,  G02B6/0058 ,  G02B6/0065 ,  G02B6/0085 ,  G02F1/1335

    摘要： Provided is a light concentrating module capable of reducing bending, comprising: a reflective polarization sheet layered with a plurality of stacks having different refractive indexes, so as to selectively transmit light, and having both sides of which the contraction rates are different; and a first light concentrating sheet having a first structural pattern in which first unit light concentrating bodies, of which cross-sectional areas gradually decrease towards an upper part thereof, are successively repeated, wherein the first unit light concentrating bodies are attached to one surface of the reflective polarization sheet, thereby reducing the contracting and bending of the reflective polarization sheet according to a rise in the temperature, caused by a difference between the contraction rate of the first light concentrating sheet and the contraction rate of one surface of the reflective polarization sheet.