公开(公告)号：KR1020090072749A

公开(公告)日：2009-07-02

申请号：KR1020070140948

申请日：2007-12-28

Applicant: 제일모직주식회사

Inventor： 김재한 ,  김만석 ,  정오용

IPC: G02B5/04 ,  G02F1/1335

Abstract: A light collecting sheet for scratch prevention and a backlight unit for a liquid crystal display having the same are provided to improve visibility of the light collecting sheet by changing a shape and arrangement of a lenticular lens. A main body(102) includes a flat shape. A plurality of prisms(110) are arranged on one side of the main body. A lenticular lens(120) is formed to be protruded from the surface of the prism. The lenticular lens is atypically arranged on the surface of the prism. A radius of curvature of the lenticular lens is 1~100mum.

Abstract translation: 提供了一种用于防划伤的聚光片和一种用于具有该防护的液晶显示器的背光单元，以通过改变双凸透镜的形状和布置来提高聚光片的可视性。 主体（102）包括平坦的形状。 多个棱镜（110）布置在主体的一侧。 双凸透镜（120）形成为从棱镜的表面突出。 双凸透镜不典型地布置在棱镜的表面上。 双凸透镜的曲率半径为1〜100μm。

公开(公告)号：KR1020090049143A

公开(公告)日：2009-05-18

申请号：KR1020070115247

申请日：2007-11-13

Applicant: 제일모직주식회사

Inventor： 김재한 ,  지철구 ,  김만석 ,  정오용

IPC: G02F1/13357 ,  G02F1/1335

CPC classification number: G02F1/133524 ,  G02B6/0025 ,  G02B6/003 ,  G02B6/0061

Abstract: 본 발명은 액정표시장치 백라이트 유닛에 관한 것으로, 보다 상세하게는 특정방향의 빛을 효율적으로 집광하여 보다 높은 정면 휘도를 제공하는 집광시트 및 이를 포함하는 백라이트 유닛에 관한 것이다.
본 발명은 빛을 발산하는 광원; 상기 광원의 상부에 적층되며, 빛이 입사되는 배면과 빛이 출사되는 전면을 포함하고, 상기 전면에 복수개의 수평방향으로 형성된 프리즘이 배열되는 제 1 집광시트;및 상기 광원의 상부에 적층되며, 빛이 입사되는 배면과 빛이 출사되는 전면을 포함하고, 상기 전면에 복수개의 수평방향으로 형성된 프리즘이 배열되고, 상기 배면에 수직방향으로 프리즘 또는 렌티큘러 렌즈가 배열되는 제 2 집광시트를 포함하는 액정표시장치용 백라이트 유닛을 제공한다.
본 발명에 따른 백라이트 유닛은 특정방향의 빛을 집광하여 고휘도향상시트를 사용한 것과 같은 정면휘도를 제공하는 백라이트 유닛의 제조가 가능해 지는 효과가 있다.
액정표시장치, 백라이트 유닛, 집광시트

公开(公告)号：KR1020090025108A

公开(公告)日：2009-03-10

申请号：KR1020070090179

申请日：2007-09-05

Applicant: 제일모직주식회사

Inventor： 이성훈 ,  김만석 ,  정오용 ,  지철구

IPC: G02B6/00 ,  G02F1/1335

CPC classification number: G02B6/0036 ,  G02B6/0038

Abstract: A light guide panel for a backlight unit including an optical member and a liquid crystal display device using the same are provided to improve visibility by enhancing luminance of a whole surface of a panel. A light guide panel main body(100) comprises a side surface(102), a front surface(104), and a rear surface(106). A light is incident through the side surface. The front surface is connected to the side surface, is faced with a panel of a liquid crystal display device, and radiates a light into a panel side of the liquid crystal display device. The rear surface is faced with the front surface, and reflects a light. A main prism part(120) comprised of a prism(122) is formed on the rear surface, and uniformizes a luminance distribution of the front surface of the light guide panel. A front lens part(140) comprised of an optical member(142) is formed on the front surface, and is used in order to improve optical property and visibility.

Abstract translation: 提供了一种用于背光单元的导光板，其包括光学构件和使用该导光板的液晶显示装置，以通过提高面板整个表面的亮度来提高可见度。 导光板主体（100）包括侧表面（102），前表面（104）和后表面（106）。 光通过侧面入射。 前表面与侧面连接，面对液晶显示装置的面板，并将光照射到液晶显示装置的面板侧。 后表面面向前表面，反射光。 在后表面上形成由棱镜（122）构成的主棱镜部（120），使导光板的前表面的亮度分布均匀化。 在前表面上形成由光学构件（142）构成的前透镜部（140），以便提高光学性能和可视性。

公开(公告)号：KR1020090019301A

公开(公告)日：2009-02-25

申请号：KR1020070083614

申请日：2007-08-20

Applicant: 제일모직주식회사

Inventor： 이성훈 ,  정오용 ,  김만석

IPC: G02B5/02 ,  G02B5/04 ,  G02F1/1335

Abstract: An optical film including optical member on rear surface and a backlight unit for liquid crystal display device using the same are provided to improve moire effect generated between a light guide plate pattern and a panel pattern by including a pattern capable of controlling path of a light. An optical film includes a rear surface and a front surface. The rear surface receives a light. The front surface radiates the light. A light condensing part is formed on the front surface, and is composed of a plurality of prisms. A diffusion part is formed on the rear surface, is composed of a plurality of optical members having a cross section of elliptic shape, and diffuses the light.

Abstract translation: 提供了包括后表面的光学构件的光学膜和使用该光学构件的液晶显示装置的背光单元，通过包括能够控制光的路径的图案来改善在导光板图案和面板图案之间产生的莫尔效应。 光学膜包括后表面和前表面。 后表面接收光。 前面辐射光。 在前表面形成有聚光部，由多个棱镜构成。 在后表面上形成有扩散部，由具有椭圆形截面的多个光学部件构成，并使光扩散。

公开(公告)号：KR100873500B1

公开(公告)日：2008-12-15

申请号：KR1020070057263

申请日：2007-06-12

Applicant: 제일모직주식회사

Inventor： 지철구 ,  주성현 ,  정오용 ,  김재한 ,  김만석

IPC: G02F1/13357 ,  G02F1/1335

CPC classification number: G02B6/0038 ,  G02B6/0061

Abstract: A light guide plate for a backlight unit is provided to regulate brightness even the view from the side direction by controlling viewing angle at a specific angle. Body portion includes the front side(303) and the rear side(305) radiating the light(300). A main part prism portion(320) includes a plurality of prisms placing this separation plane(325) in interval and is posted at the front side. A main prism portion is place across a plurality of symmetry shape prisms(322). A secondary prism portion(340) consists of the prism(342) of the asymmerical form.

Abstract translation: 用于背光单元的导光板设置为通过控制特定角度的视角来调节从侧面方向观看的亮度。 主体部分包括辐射光（300）的前侧（303）和后侧（305）。 主要部分棱镜部分（320）包括将该分离平面（325）间隔放置的多个棱镜，并且张贴在前侧。 主棱镜部分跨越多个对称形状棱镜（322）。 副棱镜部分（340）由非均匀形式的棱镜（342）组成。

公开(公告)号：KR1020080084090A

公开(公告)日：2008-09-19

申请号：KR1020070025241

申请日：2007-03-14

Applicant: 제일모직주식회사

Inventor： 이상흠 ,  정오용 ,  김만석

IPC: G02B6/00 ,  G02B5/02 ,  G02F1/1335

CPC classification number: G02B6/0038 ,  G02B6/0036 ,  G02B6/0041 ,  G02B6/0051

Abstract: A light guide panel for a liquid crystal display having a light diffusion material and a back light unit using the same are provided to remove a dark part and a light part from an end part and an edge part by diffusing sufficiently light therefrom. A light guide panel for a liquid crystal display includes a lateral surface(201) for receiving incident light, a front surface(203) connected with the lateral surface in order to output the light, and a rear surface(205) for reflecting the light. A front prism(210) is installed in the front surface of the light guide panel for the liquid crystal display. The front prism has a predetermined sectional surface. A light diffusion material is distributed onto a surface or inner and outer surfaces of the front prism. An optical pattern is formed on the rear surface in order to reflect the light.

Abstract translation: 提供具有光扩散材料的液晶显示器用导光板和使用该导光板的背光单元，以通过从其端部和边缘部分充分散射来从端部和边缘部分去除暗部和光部。 一种用于液晶显示器的导光板包括用于接收入射光的侧表面（201），与侧表面连接以便输出光的前表面（203）和用于反射光的后表面（205） 。 在用于液晶显示器的导光板的前表面中安装有前棱镜（210）。 前棱镜具有预定的截面。 光扩散材料分布在前棱镜的表面或内表面和外表面上。 为了反射光，在后表面上形成光学图案。

公开(公告)号：KR100838322B1

公开(公告)日：2008-06-13

申请号：KR1020070030386

申请日：2007-03-28

Applicant: 제일모직주식회사

Inventor： 주성현 ,  지철구 ,  정오용 ,  이성훈 ,  김재한

IPC: G02F1/13357

CPC classification number: G02B6/0038 ,  G02F1/133615 ,  G02B6/0036 ,  G02B6/0061

Abstract: A light guide plate for an LED backlight unit having an asymmetric front prism is provided to use a light source of the backlight unit efficiently by optimizing viewing angle distribution according to a request of a display and remove the necessity for existing DBEF(Dual Brightness Enhancement Film) and DRPF(Diffusive Reflective Polarization Film), thereby reducing manufacturing costs and thickness and providing high brightness and good viewing angle characteristics. A body unit(300) comprises a side(301) where light is applied, and the front(303) and rear(305) for emitting the light. In the rear, a rear prism(320) having a predetermined shape is installed. An asymmetric front prism is formed in the front of the body unit. A section of the asymmetric front prism is formed in a triangle shape. One slope of the asymmetric front prism is processed as a mirror face(308) whose surface is smooth. The other slop is processed as a diffusion surface(307) whose surface is rough.

Abstract translation: 提供一种具有不对称前棱镜的LED​​背光单元的导光板，通过根据显示器的要求优化视角分布，有效地使用背光单元的光源，并且消除了现有DBEF（双亮度增强膜 ）和DRPF（扩散反射极化膜），从而降低制造成本和厚度，并提供高亮度和良好的视角特性。 身体单元（300）包括施加光的一侧（301）和用于发射光的前部（303）和后部（305）。 在后部安装有具有预定形状的后棱镜（320）。 在身体单元的前部形成不对称的前棱镜。 不对称前棱镜的一部分形成为三角形。 处理非对称前棱镜的一个斜面作为表面平滑的镜面（308）。 另一个斜面被处理为表面粗糙的扩散表面（307）。

公开(公告)号：KR100790422B1

公开(公告)日：2008-01-02

申请号：KR1020060102311

申请日：2006-10-20

Applicant: 제일모직주식회사

Inventor： 김재한 ,  지철구 ,  김만석 ,  정오용

IPC: G02F1/13357

Abstract: 본 발명은 휘도, 균일도 및 시인성이 뛰어난 액정표시장치 백라이트 유닛용 도광판에 관한 것이다. 본 발명의 도광판은 빛이 입사되는 측면, 측면에 연결되어 빛을 출사시키는 전면(前面) 및 빛을 반사하는 배면(背面)을 포함하는 액정표시 장치용 도광판에 있어서, 배면은 복수개의 프리즘이 배열되어 있는 스트라이프 패턴이 형성되어 있고, 스트라이프 패턴은 빛이 입사되는 측면에서 멀어질수록 스트라이프 패턴의 폭이 증가하는 것을 특징으로 한다. 또한, 본 발명은 상기 도광판을 포함하는 액정표시장치용 백라이트 유닛도 제공한다.
액정표시장치, 도광판, 스트라이프, 전면프리즘, 배면프리즘

公开(公告)号：KR1020070094440A

公开(公告)日：2007-09-20

申请号：KR1020060102311

申请日：2006-10-20

Applicant: 제일모직주식회사

Inventor： 김재한 ,  지철구 ,  김만석 ,  정오용

IPC: G02F1/13357

CPC classification number: G02B6/0038 ,  G02B6/0036 ,  G02F1/133524 ,  G02F1/133615

Abstract: A light guide plate for an LCD(Liquid Crystal Display) apparatus comprising a stripe pattern, and a backlight unit for the LCD apparatus are provided to increase the amount of light proceeding in a vertical direction while uniformly increasing the amount of light approaching the panel of the LCD apparatus all over the panel, thereby improving brightness, uniformity and visibility. A light guide plate(30) for an LCD(Liquid Crystal Display) apparatus comprises the followings: a side(301) which light is applied; a front which emits the light; and a rear(305) which reflects the light. A stripe pattern(320) is formed in the rear where a plurality of prisms are arranged. The width of the stripe pattern is increased when the incident light becomes more distant from the side. At this time, the length direction of the prisms arranged within the stripe pattern is perpendicular to the light incident direction from the side.

Abstract translation: 提供一种用于LCD（液晶显示）装置的导光板，包括条纹图案，以及用于LCD装置的背光单元，以增加在垂直方向上行进的光量，同时均匀地增加接近面板的光量 液晶显示装置在整个面板上，从而提高亮度，均匀性和可视性。 一种用于LCD（液晶显示器）装置的导光板（30）包括：施加光的一侧（301）; 发射光的前面; 和反射光的后方（305）。 在其中布置有多个棱镜的后部形成条纹图案（320）。 当入射光从侧面变得更远时，条纹图案的宽度增加。 此时，布置在条纹图案中的棱镜的长度方向垂直于从侧面的光入射方向。

公开(公告)号：KR100750245B1

公开(公告)日：2007-08-17

申请号：KR1020060014625

申请日：2006-02-15

Applicant: 제일모직주식회사

Inventor： 이상흠 ,  정오용 ,  김만석

IPC: G02F1/13357

Abstract: A light guide panel for an LCD(Liquid Crystal Display) backlight unit and a backlight unit for an LCD using the same are provided to reduce a defect rate of the light guide panel and increase a production yield by constructing and disposing dots such that transformation of a stamp used to form a dot prism is facilitated. A body part(300) includes a side surface(301) on which light is incident, and a front surface(303) and a back surface(305) connected to the side surface and emitting the light. Front prisms(310) are disposed at the front surface, and have a predetermined sectional shape. Dots(320) having various shapes are disposed at regular intervals, and the dot has a smaller width in a light incident direction and a direction parallel thereto than a width in a vertical direction. The prism contacting the dot edge among the prisms has an outer surface inclined with respect to the back surface.

Abstract translation: 提供了一种用于LCD（液晶显示器）背光单元的导光板和使用该背光单元的LCD的背光单元，以通过构造和设置点来减少导光板的缺陷率并增加产量，使得 便于形成圆点棱镜的印章。 主体部（300）具有入射光的侧面（301）和与该侧面连接并射出光的前表面（303）和背面（305）。 前棱镜（310）设置在前表面，并具有预定的截面形状。 具有各种形状的点（320）以规则间隔设置，并且该点在光入射方向和与其平行的方向上的宽度小于垂直方向上的宽度。 与棱镜中的点边缘接触的棱镜具有相对于后表面倾斜的外表面。