KR20040092072A - Removal method of the reflection sheet by using the multi-ability Mold frame - Google Patents

Removal method of the reflection sheet by using the multi-ability Mold frame Download PDF

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Publication number
KR20040092072A
KR20040092072A KR1020030025912A KR20030025912A KR20040092072A KR 20040092072 A KR20040092072 A KR 20040092072A KR 1020030025912 A KR1020030025912 A KR 1020030025912A KR 20030025912 A KR20030025912 A KR 20030025912A KR 20040092072 A KR20040092072 A KR 20040092072A
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KR
South Korea
Prior art keywords
mold frame
thin plate
ability
reflection sheet
dot pattern
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Application number
KR1020030025912A
Other languages
Korean (ko)
Inventor
이민호
고길환
Original Assignee
나노엘시디(주)
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Publication date
Application filed by 나노엘시디(주) filed Critical 나노엘시디(주)
Priority to KR1020030025912A priority Critical patent/KR20040092072A/en
Publication of KR20040092072A publication Critical patent/KR20040092072A/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

PURPOSE: A method for removing a reflecting sheet using a high-performance mold frame is provided to allow the mold frame to serve as a reflecting sheet. CONSTITUTION: A mold frame includes a thin plate serving as a reflecting sheet. The thin plate and the mold frame are simultaneously injection-molded. The left, right, top and bottom of an injection-molded part are connected such that pressure generated when injection molding is carried out is uniformly distributed on the overall face of the mold frame. The thin plate has a dot pattern having the same form as the form of a light guide. The dot pattern removes a shadow part of a display face of a back light unit.

Description

고기능 몰드프레임을 이용한 반사 씨트 제거 방법{Removal method of the reflection sheet by using the multi-ability Mold frame}Removal method of the reflection sheet by using the multi-ability Mold frame}

본 고안은 후면광원용 장치의 공정에 관련된 것으로, 기존 몰드프레임의 기능을 고기능화하여 반사 씨트의 역할을 수행할 수 있도록 하는 것이다.The present invention relates to the process of the device for the rear light source, to enhance the function of the existing mold frame to perform the role of the reflection sheet.

기존 몰드 프레임은 후면광원용 장치의 부품인 도광판, 각종 씨트, 광원 등의 위치를 고정시켜 주며, LCD 판넬과의 결합을 위한 기능을 위해 사용되었다. 이러한 단순한 기능에 의해 몰드 프레임은 얇은 두께에 의한 제조 과정의 어려움에도 불구하고 기능 개선에서 제외되어 왔다. 현재 사용되고 있는 몰드 프레임과 처음 몰드 프레임이 고안되었을 때보다 두께만 얇아졌을 뿐 별다른 성능 개선은 있지 않았다.The existing mold frame fixes the positions of the light guide plate, various sheets, and the light source, which are the parts of the device for the rear light source, and was used for the function of combining with the LCD panel. Due to this simple function, the mold frame has been excluded from the functional improvement despite the difficulty of the manufacturing process due to the thin thickness. The mold frame that is currently used and the thickness of the mold frame were initially thinner, but there was no performance improvement.

본 고안은 몰드 프레임의 박형 판형으로 제작하여 몰드 프레임 후면으로의 광 출사율을 약 20%정도의 비율로 높여 후면 광원용 장치에서 전면과 후면을 모두 디스플레이 화면으로 이용할 수 있도록 하는 것이다. 또한, 몰드 프레임의 판형 부위에 미세 도트 패턴을 각인하여 후면 광원용 장치의 외관을 개선하는 것이다.The present invention is to manufacture a thin plate of the mold frame to increase the light emission rate to the rear of the mold frame by about 20% to use both the front and rear in the display device for the rear light source. Further, by imprinting a fine dot pattern on the plate-shaped portion of the mold frame to improve the appearance of the device for the rear light source.

대표도는 고기능 몰드프레임으로 종래의 몰드 프레임과 유사한 구조를 갖지만 반사 씨트의 위치에 몰드 프레임과 일체형인 얇은 판을 성형되어 있다.The representative figure is a high-performance mold frame, which has a structure similar to that of a conventional mold frame, but is molded with a thin plate integral with the mold frame at the position of the reflective sheet.

도 1은 일반적인 후면광원용 장치의 개략도이다.1 is a schematic diagram of a device for a general back light source.

본 고안은 기존의 몰드 프레임에 반사 씨트를 제거하기 위해 박형의 판형 부분을 추가한 것이다. 박형의 판형 부분은 몰드 프레임과 동시에 성형이 가능하며, 사출 좌우상하 부위의 연결에 의해 사출시 발생할 수 있는 압력을 제품 전면에 균일하게 분포시키도록 구성되어 있다.The present invention adds a thin plate-like part to remove the reflective sheet from the existing mold frame. The thin plate-shaped part can be molded simultaneously with the mold frame, and is configured to uniformly distribute the pressure that may be generated during injection by connecting the injection left, right, top and bottom parts.

판형 부분에는 도광판과 동일한 형태로 도트 패턴을 가공하도록 구성되어 있다. 이것은 후면 광원용 장치의 디스플레이면의 음영부를 제거하기 위한 역할을 수행할 것이다.The plate-shaped portion is configured to process a dot pattern in the same form as the light guide plate. This will serve to remove the shadow of the display surface of the device for the rear light source.

본 고안은 후면 광원용 장치의 전면과 후면을 모두 사용하기에 적당한 구조를 가지고 있으며, 두면을 모두 사용하게 되면서 자연적으로 반사 씨트를 제거하는 부수적인 효과를 창출하고 있다. 또한, 판형 부분에 도트 패턴을 각인하여 도광판에서 반사되어 나오는 빛을 산란시키는 효과에 의해 점광원을 사용하여 후면 광원용 장치에서 발생되는 부분적인 명암부에 대한 제거 효과 기대할 수 있다.The present invention has a structure suitable to use both the front and the rear of the device for the rear light source, and creates a side effect of removing the reflective sheet naturally by using both surfaces. In addition, the effect of scattering the light reflected from the light guide plate by imprinting a dot pattern on the plate-shaped portion can be expected to remove the partial light and shade generated in the device for the rear light source using a point light source.

본 고안은 몰드 프레임의 구조적인 문제에 의해 사출할 때 발생하는 압력을 판형 부분이 포함됨에 의해 전면적에 걸쳐 압력을 균일하게 분포시키는 효과를 발생시킨다.The present invention generates the effect of uniformly distributing the pressure over the entire area by including the plate-shaped portion of the pressure generated when the injection due to the structural problem of the mold frame.

Claims (1)

몰드 프레임을 2-Way 구조의 후면 광원용 장치에 사용할 때,When the mold frame is used for the device for the rear light source of 2-way structure, 판형 구조를 첨가하여 반사 씨트의 역할을 대신하는 것,Adding plate-like structures to replace the role of reflective sheets, 판형 구조에 도트 패턴을 각인하는 것.Stamping a dot pattern on a plate structure.
KR1020030025912A 2003-04-24 2003-04-24 Removal method of the reflection sheet by using the multi-ability Mold frame KR20040092072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020030025912A KR20040092072A (en) 2003-04-24 2003-04-24 Removal method of the reflection sheet by using the multi-ability Mold frame

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Application Number Priority Date Filing Date Title
KR1020030025912A KR20040092072A (en) 2003-04-24 2003-04-24 Removal method of the reflection sheet by using the multi-ability Mold frame

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KR20040092072A true KR20040092072A (en) 2004-11-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9310546B2 (en) 2013-07-24 2016-04-12 Samsung Display Co., Ltd. Backlight unit and display device having the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9310546B2 (en) 2013-07-24 2016-04-12 Samsung Display Co., Ltd. Backlight unit and display device having the same

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