KR100418019B1 - Lcd in light leakage preventing structure by close contact element - Google Patents
Lcd in light leakage preventing structure by close contact element Download PDFInfo
- Publication number
- KR100418019B1 KR100418019B1 KR1019960033215A KR19960033215A KR100418019B1 KR 100418019 B1 KR100418019 B1 KR 100418019B1 KR 1019960033215 A KR1019960033215 A KR 1019960033215A KR 19960033215 A KR19960033215 A KR 19960033215A KR 100418019 B1 KR100418019 B1 KR 100418019B1
- Authority
- KR
- South Korea
- Prior art keywords
- pet
- reflecting plate
- close contact
- light
- liquid crystal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
본 발명은 액정 디스플레이 장치에 관한 것으로서, 더 상세하게는 액정 디스플레이 장치에서의 빛 샘을 방지하기 위해 그 구조물의 구조를 개선한 액정 디스플레이 장치에 관한 것이다.The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device in which the structure of the structure is improved to prevent light leakage in the liquid crystal display device.
일반적으로, 액정 디스플레이 장치는 CRT와 달리 액정을 사용하여 화면에 투과되는 빛의 양으로 화면의 명암과 색을 결정하기 때문에, 시야각과 투과율, 색 재현성과 색 선명도가 중요한 관심의 대상이다. 따라서, 액정 디스플레이 장치에서 상기와 같이 시야각과 투과율, 색 재현성과 색 선명도 등을 달성하기 위해서는 상기 액정 디스플레이 장치 내에서 이용되는 빛이 외부로 새어나가는 것을 완전히 차단하여야 할 필요가 있다. 종래의 액정 디스플레이 장치에서 빛이 외부로 새어나가는 것을 차단하는 장치의 구성을 도 1에 개략적으로 나타내 보였다. 도 1을 참조하면, 종래 액정 디스플레이 장치는 빛을 방출하는 램프(6)와, 상기 램프(6)의 빛을 전달하는 도광판(4)과, 상기 램프(6)의 빛을 상기 도광판(4)으로 반사시키는 피.이.티(PET, 또는 램프 반사판;2)와, 상기 도광판(4)에서 전달되는 빛을 액정소자(미도시)로 반사시키는 반사판(8), 하부 덮개(back cover;10), 빛을 확산시키며 빛의 휘도 등과 관련되는 여러 장의 쉬트부재들(18), 유리부재(16), 상기 구성부재들을 지지하는 몰드 프레임(12), 및 상부 섀시부재(top chassis;14)를 포함하여 장치 내에서의 빛 샘을 방지하였다. 여기서, 상기와 같은 빛샘 방지구조를 갖는 액정 디스플레이 장치의 조립과정을 살펴보면, 도 1에 도시된 바와 같이 피.이.티(PET;2)가 도광판(4) 상면에 부착이 된 후 램프(6)를 감싸고 돌아서 반사판(8) 쉬트에 얹혀지면, 하부 덮개(10)가 이를 눌려서 고정하는 형태이다.In general, since the liquid crystal display device determines the contrast and color of the screen by the amount of light transmitted to the screen using a liquid crystal, unlike the CRT, viewing angle and transmittance, color reproducibility and color clarity are important objects of interest. Therefore, in order to achieve a viewing angle, transmittance, color reproducibility, and color clarity in the liquid crystal display device as described above, it is necessary to completely block leakage of light used in the liquid crystal display device to the outside. In the conventional liquid crystal display device, a configuration of an apparatus for blocking light from leaking to the outside is schematically illustrated in FIG. 1. Referring to FIG. 1, a conventional liquid crystal display device includes a lamp 6 for emitting light, a light guide plate 4 for transmitting the light of the lamp 6, and light from the lamp 6 to the light guide plate 4. A PET or lamp reflector 2 reflecting light, a reflector 8 reflecting light transmitted from the light guide plate 4 to a liquid crystal element (not shown), and a back cover 10. ), A plurality of sheet members 18, a glass member 16, a mold frame 12 supporting the constituent members, and a top chassis 14, which diffuse light and relate to the brightness of the light. To prevent light leakage within the device. Here, looking at the assembling process of the liquid crystal display device having the light leakage prevention structure as described above, as shown in Figure 1, the PET (PET) 2 is attached to the upper surface of the light guide plate 4, the lamp 6 ) Is wrapped around the reflector plate (8) and the bottom cover 10 is pressed to fix it.
그런데, 프레스 물로 이루어지는 하부덮개(10)의 평탄도 및 기타 원인에 의해 상기 피.이.티(이하, PET라 칭한다)(2)를 반사판(8)에 완전하게 밀착시키지 못하는 경우가 발생하기 때문에, 반사판(8)과 PET(2)사이에서 빛이 새는 문제가 발생하였다.However, due to the flatness of the lower lid 10 made of press water and other causes, the P.T. (hereinafter referred to as PET) 2 may not be completely brought into close contact with the reflector 8. , A problem of light leakage occurs between the reflector plate 8 and the PET 2.
본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 빛과 관련되는 구성부재들의 밀착성이 더욱 향상되도록 그 구조를 개선함으로써 그 장치 내에서의 빛 샘을 방지한 액정 디스플레이 장치를 제공함에 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a liquid crystal display device which prevents light leakage in the device by improving its structure to further improve the adhesion of light-related components. There is this.
도 1은 종래의 빛 샘 방지구조를 갖는 액정 디스플레이 장치를 개략적으로 도시한 단면 구성도,1 is a cross-sectional configuration diagram schematically showing a liquid crystal display device having a conventional light leakage prevention structure;
도 2는 본 발명에 따른 빛 샘 방지구조를 갖는 액정 디스플레이 장치를 도시한 단면 구성도,2 is a cross-sectional configuration view showing a liquid crystal display device having a light leakage prevention structure according to the present invention;
도 3a, 3b는 본 발명의 조립과정을 설명하기 위한 구성도.Figure 3a, 3b is a schematic view for explaining the assembly process of the present invention.
< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>
2 : 피.이.티(PET) 4 : 도광판2: P. 4 PET: Light guide plate
6 : 램프 8 : 반사판6: lamp 8: reflector
20 : 밀착부재 25 : 양면접착 테이프20: contact member 25: double-sided adhesive tape
상기 목적을 달성하기 위하여 본 발명에 따른 빛 샘 방지구조를 갖는 액정 디스플레이 장치는,In order to achieve the above object, a liquid crystal display device having a light leakage preventing structure according to the present invention,
램프, 도광판, 반사판, PET를 포함하며, 그 장치 내에서 빛이 새어나가지 않도록 하기 위해 상기 반사판과 PET를 접촉시키고 있는 액정 디스플레이 장치에 있어서,In the liquid crystal display device comprising a lamp, a light guide plate, a reflecting plate, PET, and in contact with the reflecting plate and PET to prevent light from leaking in the device,
상기 반사판과 상기 PET 사이의 결합부의 결합력을 보강하여, 상기 반사판과 상기 PET 사이가 밀착되게 결합되도록 하는 밀착부재를 포함하는 점에 그 특징이 있다.It is characterized in that it comprises an adhesive member for reinforcing the bonding force between the reflecting plate and the PET, so that the coupling between the reflecting plate and the PET in close contact.
바람직하게는, 상기 밀착부재는 소정의 접착력을 갖는 양면접착 테이프이다.Preferably, the contact member is a double-sided adhesive tape having a predetermined adhesive force.
바람직하게는, 상기 밀착부재의 일측면은 상기 반사판에 부착되어 고정되고, 타 측면은 상기 반사판과 상기 PET의 접착부 사이에 게재되어 부착 고정되어 상기 반사판과 상기 PET 사이가 밀착되도록 한다.Preferably, one side of the adhesion member is attached and fixed to the reflecting plate, the other side is placed between the reflecting plate and the adhesive portion of the PET is attached and fixed so that the contact between the reflecting plate and the PET.
또한, 상기 밀착부재의 일측면의 일측 단부는 상기 반사판에 부착되어 고정되며, 타측 단부는 상기 반사판(8)에 부착된 PET(2)의 타 측면을 덮어씌우는 형태로 부착되어 상기 반사판과 상기 PET 사이가 밀착되도록 할 수도 있다.In addition, one end of one side of the contact member is fixed to the reflecting plate is attached, the other end is attached in a form covering the other side of the PET (2) attached to the reflecting plate (8) the reflecting plate and the PET It may also be in close contact.
이하, 첨부된 도면을 참조하면서, 본 발명에 따른 빛 샘 방지구조를 갖는 액정 디스플레이 장치의 바람직한 실시예를 상세하게 설명한다. 설명의 편의를 위해 종래기술에서 사용되었던 구성부재와 동일한 작용을 하는 구성부재에 대해서는 같은 부재번호를 사용한다.Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a liquid crystal display device having a light leakage prevention structure according to the present invention will be described in detail. For convenience of description, the same member number is used for a component member that has the same function as the component member used in the prior art.
본 발명에 따른 액정 디스플레이 장치는, 빛이 새지 않도록 반사판과 PET를 더욱 정확히 밀착시킴으로써 액정 디스플레이 장치의 신뢰성을 향상시킨 것으로서, 램프(6), 도광판(4), 반사판(8), PET(2), 및 상기 PET(2)을 상기 반사판(8)에 더욱 정확히 밀착시키는 밀착부재(20)를 포함하여 이루어진다. 여기서, 상기 밀착부재(20)는 예를 들어, 소정의 접착력을 갖는 양면테이프를 이용할 수 있으며, 반사판(8)과 PET(2) 사이의 접착력을 보강하여 반사판(8)과 PET(2) 사이로 빛이 새어나가는 것을 방지한다.The liquid crystal display device according to the present invention improves the reliability of the liquid crystal display device by bringing the reflecting plate and PET into close contact with each other so as not to leak light. The lamp 6, the light guide plate 4, the reflecting plate 8, and the PET 2 are improved. And an adhesion member 20 for more closely contacting the PET 2 to the reflective plate 8. Here, the adhesion member 20 may use, for example, a double-sided tape having a predetermined adhesive strength, and reinforces the adhesive force between the reflecting plate 8 and the PET 2 to between the reflecting plate 8 and the PET 2. Prevent light from leaking out
상기 밀착부재의 설치방법으로는, 양면테이프로 구성된 상기 밀착부재의 일측면은 상기 반사판(8)에 부착되어 고정되며, 그 타측면은 상기 PET(2)와 상기 반사판(8) 사이에 게재되어 상기 PET(2)상기 반사판에 접착하는 경우에 PET(2)가 반사판(8)에 더욱 정확히 밀착되도록 할 수도 있고, 상기 밀착부재의 일측면의 일단부는 상기 반사판(8)에 부착되어 고정되며, 그 타단의 일부는 상기 반사판(8)에 부착된 PET(2)의 타측면을 덮어씌우는 형태로 부착되어 반사판(8)과 PET(2) 사이를 더욱 정확히 밀착시켜주도록 할 수도 있다(도 2).As a method of installing the contact member, one side of the contact member composed of a double-sided tape is attached to the reflecting plate 8 and fixed, and the other side of the contact member is disposed between the PET 2 and the reflecting plate 8. When the PET 2 is attached to the reflecting plate, the PET 2 may be more closely adhered to the reflecting plate 8, and one end of one side of the contact member is fixed to the reflecting plate 8. A part of the other end may be attached in such a manner as to cover the other side of the PET 2 attached to the reflecting plate 8 so as to make the contact between the reflecting plate 8 and the PET 2 more accurately (FIG. 2). .
상기와 같이 구성된 본 발명에 따른 액정 디스플레이 장치의 작용을 도 2 및 도 3a, 3b를 참조하면서 설명하면 다음과 같다.Referring to Figures 2 and 3a, 3b the operation of the liquid crystal display device according to the present invention configured as described above is as follows.
먼저, 도 2에 도시된 바와 같은 빛이 새어 나가는 것을 방지하는 구조를 갖는 본 발명의 액정 디스플레이 장치는 도 3a, 3b에 도시된 바와 같은 조립과정을 통해 조립되어 완성된다. 도 3a를 참조하면, 반사판(8) 쉬트에 양면 접착테이프(25) 처리된 밀착부재(20; 또는 PE 쉬트라 한다)를 부착시킨다. 여기서, 상기 양면 접착테이프(25)는 상기 밀착부재(20)의 일정부분에만 부착(또는, 도포)시키는 것이 바람직하다. 도 3a에 도시된 바와 같이 반사판(8)에 밀착부재(20)가 양면접착 데이트(25)에 의해 부착 고정되었으면, 도 3b에 도시된 바와 같이 반사판(4)과 밀착부재(20)사이에 틈새를 만들어 PET(2)를 끼운다. 상기와 같이 PET(2)가 반사판(4)과 밀착부재(20)사이에 끼워졌으면, 밀착부재(20)를 그대로 방치한다. 밀착부재(20)를 그대로 방치하면, 밀착부재(20)의 상향 장력에 의해 도 2와 같이 상기 PET(2)가 반사판(8)에 정확히 밀착된다.First, the liquid crystal display device of the present invention having a structure that prevents light leakage as shown in FIG. 2 is assembled and completed through the assembling process as shown in FIGS. 3A and 3B. Referring to FIG. 3A, a contact member 20 (or PE sheet) treated with a double-sided adhesive tape 25 is attached to the sheet of reflector 8. Here, the double-sided adhesive tape 25 is preferably attached (or applied) only to a predetermined portion of the contact member 20. If the contact member 20 is fixed to the reflector plate 8 by the double-sided adhesive date 25 as shown in Figure 3a, the gap between the reflector plate 4 and the contact member 20, as shown in Figure 3b. Make the PET (2). When the PET 2 is sandwiched between the reflecting plate 4 and the contact member 20 as described above, the contact member 20 is left as it is. When the adhesive member 20 is left as it is, the PET 2 is closely adhered to the reflecting plate 8 as shown in FIG. 2 by the upward tension of the adhesive member 20.
상술한 바와 같이 밀착부재(20)에 의해 PET(2)가 반사판(8)에 밀착되면, 램프(6)에서 방출된 빛이 새어나갈 수 있는 틈새가 생기지 않게 된다.As described above, when the PET 2 is in close contact with the reflective plate 8 by the contact member 20, there is no gap in which the light emitted from the lamp 6 may leak.
본 발명에 따른 빛이 새어나가는 것을 방지하는 구조를 갖는 액정 디스플레이 장치는, 그 장치 내에서 빛이 새어나가는 틈새를 완전하게 봉쇄하는 밀착부재를 구비함으로써 액정 디스플레이 장치의 빛 효율성을 향상시키는 이점을 제공한다.The liquid crystal display device having a structure which prevents light leakage according to the present invention provides an advantage of improving the light efficiency of the liquid crystal display device by providing an adhesive member that completely closes the gap of light leakage within the device. do.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960033215A KR100418019B1 (en) | 1996-08-09 | 1996-08-09 | Lcd in light leakage preventing structure by close contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960033215A KR100418019B1 (en) | 1996-08-09 | 1996-08-09 | Lcd in light leakage preventing structure by close contact element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980014288A KR19980014288A (en) | 1998-05-25 |
| KR100418019B1 true KR100418019B1 (en) | 2004-08-12 |
Family
ID=37319179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960033215A KR100418019B1 (en) | 1996-08-09 | 1996-08-09 | Lcd in light leakage preventing structure by close contact element |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100418019B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100578315B1 (en) * | 1998-05-29 | 2006-08-30 | 삼성전자주식회사 | Liquid crystal display device and lamp assembly applied in the same |
| KR100855497B1 (en) * | 2001-12-26 | 2008-09-01 | 엘지디스플레이 주식회사 | Liquid crystal display module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0736033A (en) * | 1993-07-19 | 1995-02-07 | Ohtsu Tire & Rubber Co Ltd :The | Light transmission plate device |
-
1996
- 1996-08-09 KR KR1019960033215A patent/KR100418019B1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0736033A (en) * | 1993-07-19 | 1995-02-07 | Ohtsu Tire & Rubber Co Ltd :The | Light transmission plate device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980014288A (en) | 1998-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100404352B1 (en) | Area type light emitting device and manufacturing method thereof | |
| US7708450B2 (en) | Liquid crystal display device | |
| EP1921487B1 (en) | Liquid crystal display apparatus | |
| KR20050018060A (en) | Back light assembly and liquid crystal display device having the same | |
| KR20070028297A (en) | Display | |
| KR100418019B1 (en) | Lcd in light leakage preventing structure by close contact element | |
| JP3615646B2 (en) | Liquid crystal display | |
| JP2002357823A (en) | Backlight for liquid crystal display element | |
| KR19990006807A (en) | Backlight | |
| JP4655441B2 (en) | Backlight unit of transmissive display device | |
| JPH0634971A (en) | Liquid crystal display device | |
| KR20020002985A (en) | Bezel of lcd module | |
| JP2004031146A (en) | Backlight and liquid crystal display using it | |
| KR19990069948A (en) | LCD backlight | |
| KR200227828Y1 (en) | Backlight unit | |
| KR100475523B1 (en) | Back-light assembly | |
| KR19980078724A (en) | Backlighting device for liquid crystal display device | |
| KR100544818B1 (en) | Backlight assembly of LCD module | |
| KR0127885Y1 (en) | Illumination system of liquid crystal module | |
| KR100460402B1 (en) | Backlighting device for liquid crystal display device | |
| KR0139881Y1 (en) | Plane type back light device | |
| KR19980014148A (en) | Backlight device of liquid crystal display | |
| KR100515435B1 (en) | LCD Display | |
| JPH08234676A (en) | Back light device | |
| KR100551442B1 (en) | Reflective LCD Module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20080104 Year of fee payment: 5 |
|
| LAPS | Lapse due to unpaid annual fee |