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    • 1. 发明公开
    • 광학필름의 결함 검출 시스템 및 광학필름의 결함 검출 방법
    • 光学薄膜缺陷检测系统及光学薄膜缺陷检测方法
    • KR1020170132610A
    • 2017-12-04
    • KR1020160063703
    • 2016-05-24
    • 주식회사 엘지화학
    • 김호진양명곤박창석김재현최항석
    • G01N21/88G01N21/53G01N21/958G02B1/10
    • G01N21/53G01N21/88G01N21/958G02B1/10
    • 본발명은광학필름의결함검출시스템및 검출방법에관한것으로, 더욱상세하게는스크린상에투영된광학필름의결함에대한영상을획득하여광학필름의결함을검출하는시스템및 그방법에관한것이다. 본발명의일 실시예로써, 광학필름의결함검출시스템이제공될수 있다. 광학필름의결함검출시스템은광학필름으로부터이격배치되고광학필름의일면을향하여광을조사하기위한조명부; 광학필름의타면으로부터이격배치되고조명부로부터조사된광이광학필름을통과함에따라광학필름에존재하는결함이투영되어나타나는스크린; 스크린으로부터이격배치되고스크린상에투영된광학필름의결함에대한영상을획득하기위한촬영부; 및획득된영상을분석하고, 분석의결과에기초하여광학필름의결함을검출하기위한분석부를포함할수 있다.
    • 本发明涉及用于光学膜的缺陷检测系统和方法,并且更具体地涉及通过获取投影在屏幕上的光学膜的缺陷的图像来检测光学膜的缺陷的系统和方法。 作为本发明的一个实施例,可以提供用于光学膜的缺陷检测系统。 一种用于光学膜的缺陷检测系统包括:照明单元,被布置为与光学膜间隔开并且朝向光学膜的一个表面照射光; 与所述光学膜的另一个面分开配置,在从所述照明部照射的光通过所述光学膜时,存在于所述光学膜中的缺陷出现的屏幕; 成像单元,用于获取投影在屏幕上并与屏幕间隔开的光学膜的缺陷图像; 以及分析单元,用于分析所获得的图像并且基于分析结果来检测光学膜的缺陷。
    • 2. 发明授权
    • 광학 필름의 이물 검출 장치
    • 用于检测光学膜的二氧化碳物质的装置
    • KR101587222B1
    • 2016-01-20
    • KR1020130041248
    • 2013-04-15
    • 주식회사 엘지화학
    • 김경식장응진신재옥양명곤한현수방영선하의봉황동기김태식
    • G01N21/958
    • 본발명은제1 필름부재와, 상기제1 필름부재에도포된점착제층과, 상기점착제층에부착된제2 필름부재를구비하는광학필름의이물검출장치에관한것이다. 본발명은상기광학필름이통과할수 있는한 쌍의제1 롤러들; 상기제1 롤러들을통과한상기광학필름의상기점착제층으로부터상기제2 필름부재를분리시키고상기제2 필름부재를미리결정된간격만큼주행시킬수 있도록상기광학필름으로부터이격되게배치된분리/주행부재; 상기분리/주행부재의끝단을통과한상기제2 필름부재와상기광학필름의상기점착제층을라미네이션시킬수 있는한 쌍의제2 롤러들; 상기제1 필름부재와상기점착제층을순차적으로통과하는광을조사할수 있도록상기제1 롤러들과상기제2 롤러들사이에배치된조명유닛; 및상기점착제층을촬영할수 있도록상기광학필름을기준으로상기조명유닛과대응되는위치에배치된촬영유닛;을구비하는것을특징으로하는광학필름의이물검출장치를개시한다.
    • 4. 发明公开
    • 광학 필름의 결함 검사 장치
    • 检查光膜故障的装置
    • KR1020130043550A
    • 2013-04-30
    • KR1020120003614
    • 2012-01-11
    • 주식회사 엘지화학
    • 양명곤장응진우지훈김민식오정민박창석김상태
    • G01N21/88G02F1/13G02B27/26
    • PURPOSE: A device for inspecting defects of an optical film is provided to prevent duplicated investment in a separate inspection system according to a kind of the optical film by selectively changing a polarizing filter sheet corresponding to optical properties whenever changing the kind of the optical film to be inspected, thereby reducing producing costs. CONSTITUTION: A device(200) for inspecting defects of an optical film(10) is comprises a lighting unit(220), a first PL filter unit(230), a photographing unit(240), and a second PL filter unit(260). The lighting unit irradiates lights to the optical film. The first PL filter unit is interposed between the optical film and the lighting unit. The photographing unit is installed to be faced the light unit, thereby photographing the optical film. The RED filter unit is interposed between the optical film and the photographing unit. The second PL filter unit is installed between the optical film and the RED filter unit and optically matched with the first PL filter unit.
    • 目的:提供一种用于检查光学膜的缺陷的装置,以防止根据光学膜的种类在单独的检查系统中重复投资,只要将光学膜的种类改变为与光学特性相对应的偏光滤光片, 进行检查,从而降低生产成本。 构成:用于检查光学薄膜(10)的缺陷的装置(200)包括照明单元(220),第一PL滤光器单元(230),拍摄单元(240)和第二PL滤光器单元(260 )。 照明单元将光照射到光学膜。 第一PL滤光器单元插入在光学膜和照明单元之间。 拍摄单元安装成面对光单元,从而拍摄光学膜。 RED滤光片单元插入在光学薄膜和拍摄单元之间。 第二PL滤光器单元安装在光学膜和RED滤光器单元之间,并与第一PL滤光器单元光学匹配。
    • 8. 发明公开
    • 광학 필름의 결함 검사 시스템
    • 检查光膜故障的系统
    • KR1020130043548A
    • 2013-04-30
    • KR1020120003612
    • 2012-01-11
    • 주식회사 엘지화학
    • 양명곤장응진우지훈김민식오정민박창석김상태
    • G01N21/88G02F1/13G02B27/26
    • PURPOSE: A system for inspecting defects of an optical film is provided to improve the degree of finishing of optical product film and to maximize a detecting force of a black-and-white camera by using a long wavelength filter. CONSTITUTION: A system for inspecting defects of an optical film(10) comprises a first inspection device(1) and a second inspection device(70). A protective member(12) is attached on one surface of the optical film. The first inspection device includes a first photographing unit for inspecting first optical defects of the optical film. The second inspection device includes a second photographing unit for inspecting first optical defects and second optical defects of the other optical film. The optical film is a patterned retard film where L and R patterns having different optical shafts are formed.
    • 目的:提供一种用于检查光学膜的缺陷的系统,以提高光学产品膜的光洁度,并通过使用长波长滤光器来最大化黑白相机的检测力。 构成:用于检查光学膜(10)的缺陷的系统包括第一检查装置(1)和第二检查装置(70)。 保护构件(12)安装在光学膜的一个表面上。 第一检查装置包括用于检查光学膜的第一光学缺陷的第一拍摄单元。 第二检查装置包括用于检查另一光学膜的第一光学缺陷和第二光学缺陷的第二拍摄单元。 光学膜是形成有不同光轴的L和R图案的图案化延迟膜。