公开(公告)号：KR100476563B1

公开(公告)日：2005-03-18

申请号：KR1020030035269

申请日：2003-06-02

Applicant: 삼성전기주식회사

Inventor： 최학림 ,  김찬수 ,  조용주

IPC: G02F1/13357

CPC classification number: G02B6/0038 ,  G02B6/0026

Abstract: 본 발명은 LCD 패널 등의 백라이트용으로 사용하는 디스플레이용 라이트 유닛에 관한 것으로, 측방향에서 입사하는 빛을 수직방향으로 출사하도록 하는 디스플레이용 라이트 유닛에 관한 것이다.
상기와 같은 목적을 달성하기 위한 구성수단으로서, 본 발명은 다파장의 백색광을 출사하는 광원; 상기 광원의 측방에 위치하고, 상기 광원으로부터의 입사광을 내부에서 진행시키는 도광판; 상기 도광판의 전방면의 반대면에 위치하며, 상기 도광판 내의 광을 각 파장별로 다른 각도로 굴절시켜 도광판 내로 진행시키는 색 분리판; 및 상기 도광판의 전방 또는 후방면 중 적어도 하나의 면에 형성되며, 각 파장별로 다른 각도로 진행하는 상기 색 분리판을 거친 광을 동일한 출사각도로 출사하도록 하는 회절패턴;을 포함하는 디스플레이용 라이트 유닛을 제공한다.

公开(公告)号：KR100370654B1

公开(公告)日：2003-02-05

申请号：KR1020000076136

申请日：2000-12-13

Applicant: 삼성전기주식회사

Inventor： 최학림

IPC: H04N5/74

Abstract: PURPOSE: A projection system is provided, constructed in such a manner that a dichroic filter is not configured of cube prism type but manufacture on a flat plate to improve color breakup characteristic and easily fabricate dichroic filter components, thereby raising the productivity of projection system. CONSTITUTION: A projection system includes an illuminating system(10) for selecting S-polarizing beam from polarizationless white light, a projection unit(20) for, when a beam including an image is inputted, projecting the beam to a screen to form the image, and the first color selecting polarization plate(CS1) for transmitting the S-polarizing beam, polarizing a beam with respect to one of R, G, B components to P-wave. The system further has a polarizing beam splitter(30) for transmitting the beam polarized to the P-wave without any change and reflecting remaining components to change the traveling directions of the remaining components, and a dichroic filter(40) for dividing the two components reflected by the polarizing beam splitter to make optical paths of the transmitted portion and reflected portion be different from each other. The system also has an LCD(50) for providing images respectively corresponding to the component of the beam transmitted through the polarizing beam splitter and the components of the beams divided by the dichroic filter, and the second color selecting polarization plate(CS2) for maintaining the polarization state of the beam that passed through the polarizing beam splitter be identical to the polarization state of other beams to provide the beam that passed through the polarizing beam splitter to the projection unit when the divided R, G, B component beams including the images are reflected by the LCD.

Abstract translation: 本发明提供了一种投影系统，其构造方式使二向色滤光片不是立方棱镜型，而是在平板上制造以提高色彩分解特性，并容易制作二向色滤光片元件，从而提高投影系统的生产率。 一种投影系统，包括：用于从无偏振白光选择S偏振光束的照明系统（10）;投影单元（20），用于当包括图像的光束被输入时将该光束投影到屏幕上以形成图像 以及用于透射S偏振光束的第一颜色选择偏振片（CS1），使相对于R，G，B分量之一的光束偏振成P波。 该系统还具有偏振分束器（30），其用于透射极化为P波的光束而没有任何变化，并反射其余分量以改变其余分量的行进方向;以及二向色滤光器（40），用于将两个分量 由偏振分束器反射以使透射部分和反射部分的光路彼此不同。 该系统还具有LCD（50），用于提供分别对应于通过偏振分束器透射的光束分量和由二向色滤光镜分开的光束分量的图像，以及第二选色偏振板（CS2） 通过偏振分束器的光束的偏振状态与其他光束的偏振状态相同，以在包括图像的分割的R，G，B分量光束时将通过偏振分束器的光束提供给投影单元 由LCD反映出来。

公开(公告)号：KR1020010009705A

公开(公告)日：2001-02-05

申请号：KR1019990028225

申请日：1999-07-13

Applicant: 삼성전기주식회사

Inventor： 최학림

IPC: G03B11/04 ,  G02B7/08

CPC classification number: G03B11/04 ,  G02B5/208 ,  G02B13/0035 ,  H04N5/2254

Abstract: PURPOSE: An optical system of a camera is provided to prevent chromatic aberration and color moire phenomenon generated in the process of forming incident images without any optical low pass filters. CONSTITUTION: An optical system of a camera includes a photographing element(10) for spotting an image and mounted with a cover glass(60) in front of the element, a lens holder(20) positioned in front of the photographing element and formed with a receiving space part inside, a first lens(30) positioned at the forefront of the lens holder and formed with a compensation surface(31) for shutting off near infrared ray at a surface, a third lens(50) positioned at the very last part of the lens holder and formed with a hologram pattern(51) for preventing color moire phenomenon of light at a surface, and a second lens(40) positioned between the first and the third lenses.

Abstract translation: 目的：提供相机的光学系统，以防止在没有任何光学低通滤波器的情况下在形成入射图像的过程中产生的色差和色莫尔斯现象。 构成：照相机的光学系统包括：拍摄元件（10），用于对图像进行点样并安装在元件前面的盖玻璃（60），位于拍摄元件前方的透镜保持架（20） 位于透镜保持器的最前面的第一透镜（30），形成有用于切断表面的近红外线的补偿表面（31），位于最后的第三透镜（50） 形成透镜保持架的一部分，并形成有用于防止表面的光的色莫尔现象的全息图（51）和位于第一和第三透镜之间的第二透镜（40）。

公开(公告)号：KR1020030079428A

公开(公告)日：2003-10-10

申请号：KR1020020018455

申请日：2002-04-04

Applicant: 삼성전기주식회사

Inventor： 이종서 ,  최학림

IPC: H04N9/31

Abstract: PURPOSE: A projection system using a visible region filter having a color compensating function is provided to include a gamut of an EBU(European Broadcasting Union) in a gamut of a projection display by improving green of the projection display, and reduce stress of a color dividing and synthesizing system. CONSTITUTION: A lamp(11) applies an unpolarized white beam. A visible band passing and restraining filter transmits only wavelength of a beam corresponding to a region of a visible beam and attenuates a beam having 580nm wavelength before transmitting the beam. A polarizing element(12a) extracts only necessary beam polarizing components of S waves from the visible band passing and restraining filter. A color dividing and synthesizing system separately projects R, G, and B components of the beam from the incident S wave beam, and synthesizes P wave beams flowed in a projection direction. A plurality of LCDs provide images corresponding to the R, G, and B components of separately projected beam. A projection system(16) makes the R, G, and B components project the P wave beam to a screen to form an image.

Abstract translation: 目的：提供一种使用具有颜色补偿功能的可见区域滤光器的投影系统，通过改善投影显示的绿色，在投影显示的色域中包括EBU（欧洲广播联盟）的色域，并减少颜色的压力 分割和合成系统。 构成：灯（11）应用非偏光白光束。 可见光谱通过和抑制滤光器仅透射与可见光束区域对应的光束的波长，并在发射光束之前衰减具有580nm波长的光束。 偏振元件（12a）仅从可见光带通过和限制滤光器中提取S波的必要的光束偏振分量。 分色和合成系统分别从入射S波束投射光束的R，G和B分量，并且合成沿投影方向流动的P波束。 多个LCD提供与单独投影的光束的R，G和B分量相对应的图像。 投影系统（16）使R，G和B分量将P波束投影到屏幕上以形成图像。

公开(公告)号：KR1020030066098A

公开(公告)日：2003-08-09

申请号：KR1020020006270

申请日：2002-02-04

Applicant: 삼성전기주식회사

Inventor： 최학림 ,  이종서

IPC: G03B21/00

CPC classification number: G03B21/28 ,  G02B26/008 ,  G02B27/283 ,  H04N9/3114 ,  H04N9/3167

Abstract: PURPOSE: A projection system is provided to improve a discoloration characteristic and to reduce volume and weight of a discoloration and color composition section of the projection system by forming a color filter on a flat plate. CONSTITUTION: A projection system includes illumination systems(11,12a,12b), a projection system(16), a flat-type green pass filter, a first polarizing light switching device, and a first flat-type polarizing beam splitter. A flat-type blue pass filter is provided to allow blue beam to pass through while reflecting red beam. A second polarizing light switching device is provided to polarize light reflected from the flat-type blue pass filter. A flat-type inverse blue pass filter is provided to reflect blue beam passing through the flat-type blue pass filter. A third polarizing beam splitter is provided to reflect light, which is reflected from the flat-type inverse blue pass filter. An LCD provides an image corresponding to light, which passes through the first and second polarizing beam splitters and is reflected from the third polarizing beam splitter. A third polarizing light switching device is positioned in a path of light proceeding towards the first polarizing beam splitter.

Abstract translation: 目的：提供投影系统以通过在平板上形成滤色器来改善变色特性并减少投影系统的变色和色彩组成部分的体积和重量。 构成：投影系统包括照明系统（11,12a，12b），投影系统（16），平面型绿色通道滤光器，第一偏振光开关装置和第一平面偏振光束分离器。 提供平面型蓝光滤光片以允许蓝色光束通过，同时反射红色光束。 第二偏振光开关装置用于使从平面型蓝光滤光片反射的光偏振。 提供平面型反蓝光滤光片以反射通过平板蓝光滤光片的蓝色光束。 提供第三偏振分束器来反射从平面型反蓝光滤光器反射的光。 LCD提供对应于光的图像，其通过第一和第二偏振分束器并从第三偏振分束器反射。 第三偏振光开关装置位于朝向第一偏振分束器的光路上。

公开(公告)号：KR100401106B1

公开(公告)日：2003-10-10

申请号：KR1020010041649

申请日：2001-07-11

Applicant: 삼성전기주식회사

Inventor： 이종서 ,  김동하 ,  문용식 ,  전광조 ,  박종명 ,  최학림

IPC: G03B21/00

CPC classification number: H04N9/3105 ,  G02B27/283 ,  H04N9/3167

Abstract: Disclosed is an apparatus for projection display using reflection type LCDs. The apparatus for projection display using reflection type LCDs according to the invention comprises an illuminating device including a lamp and a polarizing element for illuminating S wave or P wave, a color splitter/synthesizer, including the reflection type LCDs for providing an image corresponding to an inputted image and converting a polarizing state of incident light when reflecting the light, a retarder stack for differentiating the polarized state of a predetermined color from the incident light, and polarizing beam splitters composed of a material having a photoelastic constant less than 0.03x10-6 mm2/N at a wavelength of 589.3 nm and a minimum transmittance higher than 90% in transmitting the thickness of 25 mm at a wavelength ranged 0.42 mum-0.70 mum for performing color split, color synthesis and analysis, and a projector for projecting the image passed through the color splitter/synthesizer onto a screen.

Abstract translation: 公开了一种使用反射型LCD的投影显示装置。 根据本发明的使用反射型LCD的投影显示装置包括：包括灯和用于照射S波或P波的偏振元件的照明装置，包括反射型LCD的分色器/合成器，用于提供对应于 并且在反射光时转换入射光的偏振状态，用于使预定颜色的偏振状态与入射光不同的延迟器叠层和由光弹性常数小于0.03×10 -6的材料组成的偏振分束器 在波长为589.3nm处的透过率为25mm2 / N，在波长为0.42μm-0.70μm时透过厚度为25mm的透过率为90％以上的最小透过率，进行分色，合成分析，投影仪 通过分色器/合成器到达屏幕。

公开(公告)号：KR1020020005363A

公开(公告)日：2002-01-17

申请号：KR1020000076136

申请日：2000-12-13

Applicant: 삼성전기주식회사

Inventor： 최학림

IPC: H04N5/74

Abstract: PURPOSE: A projection system is provided, constructed in such a manner that a dichroic filter is not configured of cube prism type but manufacture on a flat plate to improve color breakup characteristic and easily fabricate dichroic filter components, thereby raising the productivity of projection system. CONSTITUTION: A projection system includes an illuminating system(10) for selecting S-polarizing beam from polarizationless white light, a projection unit(20) for, when a beam including an image is inputted, projecting the beam to a screen to form the image, and the first color selecting polarization plate(CS1) for transmitting the S-polarizing beam, polarizing a beam with respect to one of R, G, B components to P-wave. The system further has a polarizing beam splitter(30) for transmitting the beam polarized to the P-wave without any change and reflecting remaining components to change the traveling directions of the remaining components, and a dichroic filter(40) for dividing the two components reflected by the polarizing beam splitter to make optical paths of the transmitted portion and reflected portion be different from each other. The system also has an LCD(50) for providing images respectively corresponding to the component of the beam transmitted through the polarizing beam splitter and the components of the beams divided by the dichroic filter, and the second color selecting polarization plate(CS2) for maintaining the polarization state of the beam that passed through the polarizing beam splitter be identical to the polarization state of other beams to provide the beam that passed through the polarizing beam splitter to the projection unit when the divided R, G, B component beams including the images are reflected by the LCD.

Abstract translation: 目的：提供一种投影系统，其构造方式是使二向色滤光片不是由立方棱镜型构成，而是在平板上制造以提高分色特性并容易地制造二色性过滤器部件，从而提高投影系统的生产率。 构成：投影系统包括用于从无偏振白色光中选择S偏振光束的照明系统（10），当输入包括图像的光束时，投影单元（20）将光束投射到屏幕以形成图像 以及用于透射S偏振光束的第一选色偏振板（CS1），将相对于R，G，B中的一个分量的光束偏振到P波。 该系统还具有偏振分束器（30），用于将偏振的光束传播到P波而没有任何变化，并反射剩余的分量以改变其余部件的行进方向;以及二向色滤光器（40），用于将两个分量 由偏振分束器反射，使得透射部分和反射部分的光路彼此不同。 该系统还具有LCD（50），用于提供分别对应于通过偏振分束器透射的光束的分量的图像和由二向色滤光器分割的光束的分量，以及用于维持的第二选色偏振板（CS2） 通过偏振分束器的光束的偏振状态与其他光束的偏振状态相同，以便当包括图像的分割的R，G，B分量光束时，将通过偏振分束器的光束提供给投影单元 被LCD反射。

公开(公告)号：KR2019990020821U

公开(公告)日：1999-06-25

申请号：KR2019970034309

申请日：1997-11-28

Applicant: 삼성전기주식회사

Inventor： 최학림

IPC: G11B7/1365

Abstract: 본 고안은 위상지연기를 비정질물질의 일종인 위상차필름으로 형성함으로써, 제작이 용이하고 저렴하게 구성할수 있는 광픽업의 위상지연기에 관한 것으로서, 특히 광원에서 출사된 빔이 편광빔스플리터와 위상지연기를 거치면서 선편광이 원편광으로 변화되며 원편광이 콜리메이팅렌즈와 렌즈를 거쳐 디스크 쪽으로 주사되는 광픽업에 있어서, 상기 위상지연기로 비정질물질인 위상차필름을 사용하는 특징이 있다.

公开(公告)号：KR1020030006089A

公开(公告)日：2003-01-23

申请号：KR1020010041649

申请日：2001-07-11

Applicant: 삼성전기주식회사

Inventor： 이종서 ,  김동하 ,  문용식 ,  전광조 ,  박종명 ,  최학림

IPC: G03B21/00

CPC classification number: H04N9/3105 ,  G02B27/283 ,  H04N9/3167

Abstract: PURPOSE: A projection display apparatus is provided to obtain projection display apparatus with a compact size by reducing the number of optical elements, while ensuring stabilized brightness uniformity. CONSTITUTION: A projection display apparatus comprises an illuminating unit including a lamp(11) and a polarizer for illuminating polarizing light of S or P-wave; a color separation/synthesizing system including a reflective LCD for changing the polarizing state during reflection of the incident light, a retarder stack for varying the polarizing state of the specific light from among the incident light and a polarizing beam splitter serving as a color separator and synthesizer of the incident light, wherein the polarizing beam splitter is made of a material having a photo elasticity of 0.03 x 10-6mm¬2/N or lower in the wavelength of 589.3nm and a minimum transmittance of 90 percents or higher at the thickness of 25mm in the wavelength of 0.42 micron meter to 0.70 micron meter; and a projection system(16) for projecting the image passed through the color separation/synthesizing system, onto a screen.

Abstract translation: 目的：提供投影显示装置，通过减少光学元件的数量，同时确保稳定的亮度均匀性来获得具有紧凑尺寸的投影显示装置。 一种投影显示装置，包括：照明单元，包括用于照射S波或P波的偏振光的灯（11）和偏振器; 包括用于在入射光反射期间改变偏振状态的反射LCD的色分离/合成系统，用于改变来自入射光的特定光的偏振状态的延迟器叠层和用作分色器的偏振分束器， 合成器，其中偏振分束器由在589.3nm的波长下的光弹性为0.03×10 -6 mm / 2 / N或更低的材料制成，并且厚度的最小透射率为90％或更高 在波长0.42微米到25微米到0.70微米之间; 以及用于将通过分色/合成系统的图像投影到屏幕上的投影系统（16）。

公开(公告)号：KR100193597B1

公开(公告)日：1999-06-15

申请号：KR1019960022771

申请日：1996-06-21

Applicant: 삼성전기주식회사

Inventor： 최학림

IPC: G11B7/1374

Abstract: 본 발명은 컴팩트 디스크와 디지털 비데오 디스크에 동시에 사용하기 위한 광 픽업장치용 대물렌즈에 대한 것으로 발명의 주된 목적은 굴절을 분포 렌즈를 사용하여 광 픽업장치의 대물렌즈를 제작하되, 외주연 일부를 경사지게 가공하는 단순한 가공만으로 두 개의 초점을 가질 수 있도록 하여 제작이 쉽고 가격이 저렴한 광 픽업장치용 대물렌즈를 제공하는데 목적이 있다.
이를 위한 주요 구성은 중앙의 밀도가 높고 주변으로 갈수록 밀도가 낮은 굴절율 분포렌즈를 가공하되, 상기한 굴절율 분포렌즈의 어느 일측면은 평면형으로 가공하고, 그 타측면은 중앙을 제외한 가장자리 부분에 경사면을 가공하여, 중앙의 평면에 의해 초점거리가 먼 제 1 영역과, 가장자리의 경사면에 의해 촉점거리가 가까운 제 2 영역으로 구분되도록 하는데 있다.