KR960035099A - Backlighting device for liquid crystal display - Google Patents

Backlighting device for liquid crystal display Download PDF

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Publication number
KR960035099A
KR960035099A KR1019950007111A KR19950007111A KR960035099A KR 960035099 A KR960035099 A KR 960035099A KR 1019950007111 A KR1019950007111 A KR 1019950007111A KR 19950007111 A KR19950007111 A KR 19950007111A KR 960035099 A KR960035099 A KR 960035099A
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KR
South Korea
Prior art keywords
light source
light
guide plate
liquid crystal
crystal display
Prior art date
Application number
KR1019950007111A
Other languages
Korean (ko)
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KR0145903B1 (en
Inventor
이익수
Original Assignee
김광호
삼성전자 주식회사
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950007111A priority Critical patent/KR0145903B1/en
Publication of KR960035099A publication Critical patent/KR960035099A/en
Application granted granted Critical
Publication of KR0145903B1 publication Critical patent/KR0145903B1/en

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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
    • G02B6/0051—Diffusing 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • 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

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

Abstract

본 발명은 액정 표시 장치용 후광 장치에 관한 것으로서, 빛을 발하는 램프, 램프의 빛을 액정 셀로 유도하는 도광판, 도광판의 하부에 위치하고 있으며 램프로부터 도광판의 하부로 들어오는 빛을 반사하는 반사판, 도광판에서 나오는 빛을 확산하는 확산판, 램프를 지지하는 램프의 빛을 도광판으로 반사하는 램프 홀더, 그리고 램프, 도광판, 반사판, 확산판 및 램프 홀더를 지지하는 몰드 프레임을 포함하며, 램프 홀더와 몰드 프레임이 일체로 결합되어 있으며 도광판이 램프 홀더에 직접 끼워져 결합되어 있음을 특징으로 하는 후광 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backlight device for a liquid crystal display device, comprising: a lamp emitting light, a light guide plate for guiding light of the lamp to a liquid crystal cell, a reflector plate positioned below the light guide plate and reflecting light entering the bottom of the light guide plate from the lamp; A diffuser plate for diffusing light, a lamp holder for reflecting the light of the lamp supporting the lamp to the light guide plate, and a mold frame for supporting the lamp, the light guide plate, the reflector plate, the diffuser plate, and the lamp holder, wherein the lamp holder and the mold frame are integrated It is coupled to the light guide plate is directly connected to the lamp holder, characterized in that the backlight device.

Description

액정 표시 장치용 후광 장치Backlighting device for liquid crystal display

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제7도는 본 밞여의 실시예에 따른 액정 표시 장치요 후광 장치를 도시한 단면도이다. 제8도는 본 발명의 실시예에 따른 액정 표시 장치용 후과 ㅇ장치 중 광원 받침대와 몰드 프레임 부분의 결합체를 두 개의 부분으로 나눈 상태를 도시한 것이다.7 is a cross-sectional view showing a liquid crystal display device and a backlight device according to the present embodiment. FIG. 8 illustrates a state in which a combination of a light source pedestal and a mold frame portion is divided into two parts of a post-device for a liquid crystal display according to an exemplary embodiment of the present invention.

Claims (9)

광원, 도광판, 광원 받침대 및 몰드 프레임을 포함하는 액정 표시 장치용 후광 장치에 있어서, 상기 광원 받침대와 상기 몰드 프레임이 일체로 결합되어 있으며 상기 도광판은 상기 광원 받침대에 직접 끼워져 결합되어 있음을 특징으로 하는 액정 표시 장치용 후광 장치.A backlight device for a liquid crystal display device comprising a light source, a light guide plate, a light source pedestal, and a mold frame, wherein the light source pedestal and the mold frame are integrally coupled to each other, and the light guide plate is directly inserted into and coupled to the light source pedestal. Backlight device for liquid crystal display device. 제1항에 있어서, 상기 광원 받침대 및 몰드 프레임의 결합체는 두 부분으로 나뉘어 있음을 특징으로 하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display device of claim 1, wherein the combination of the light source pedestal and the mold frame is divided into two parts. 제1항에서, 상기 몰드 프레임은 플라스틱임을 특징으로 하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display of claim 1, wherein the mold frame is plastic. 제3항에서, 상기 광원 받침대는 은 박판임을 특징으로 하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display of claim 3, wherein the light source pedestal is a thin silver plate. 제4항에서, 상기 광원 받침대와 몰드 프레임은 양면 테이프로 결합되어 있음을 특징으로 하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display device of claim 4, wherein the light source pedestal and the mold frame are joined by double-sided tape. 제1항에서, 상기 광원 받침대의 단면은 다각형임을 특징으로 하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display of claim 1, wherein a cross section of the light source pedestal is a polygon. 제6항에서, 상기 광원 받침대의 단면은 삼각형임을 특징으로하는 액정 표시 장치용 후광 장치.The backlight device for a liquid crystal display of claim 6, wherein a cross section of the light source pedestal is a triangle. 빛을 발하는 광원, 상기 광원의 빛을 액정 셀로 유도하는 도광판, 상기 도광판의 하부에 위치하고 있으며 상기 광원으로부터 상기 도광판의 하부로 들어오는 빛을 반사하는 반사판, 상기 도광판에서 나오는 빛을 확산하는 확산판, 상기 광원을 지지하고 상기 광원의 빛을 도광판으로 반사하는 광원 받침대, 그리고 상기광원, 도광판, 반사판, 확산판 및 광원 받침대를 지지하는 몰드 프레임을 포함하며, 상기 광원 받침대와 상기 몰드 프레임이 일체로 결합되어 있으며 상기 도광판이 상기 광원 받침대에 직접 끼워져 결합되어 있는 액정표시 장치용 후광 장치.A light source for emitting light, a light guide plate for guiding the light of the light source to a liquid crystal cell, a reflector plate positioned below the light guide plate and reflecting light coming from the light source to the bottom of the light guide plate, a diffuser plate for diffusing light from the light guide plate, and A light source pedestal for supporting a light source and reflecting light from the light source to the light guide plate, and a mold frame for supporting the light source, light guide plate, reflector plate, diffuser plate, and light source pedestal, wherein the light source pedestal and the mold frame are integrally coupled to each other. And the light guide plate is directly inserted into and coupled to the light source pedestal. 제8항에 있어서, 상기 몰드 프레임은 상기 광원 받침대보다 길게 연장되어 상기 확산판과 상기 광원 받침대의 경계를 덮고 있는 액정 표시 장치용 후광 장치.The backlight device of claim 8, wherein the mold frame extends longer than the light source pedestal to cover a boundary between the diffusion plate and the light source pedestal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950007111A 1995-03-30 1995-03-30 Backlight device for liquid crystal display device KR0145903B1 (en)

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KR1019950007111A KR0145903B1 (en) 1995-03-30 1995-03-30 Backlight device for liquid crystal display device

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Application Number Priority Date Filing Date Title
KR1019950007111A KR0145903B1 (en) 1995-03-30 1995-03-30 Backlight device for liquid crystal display device

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KR960035099A true KR960035099A (en) 1996-10-24
KR0145903B1 KR0145903B1 (en) 1998-09-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009298A (en) * 1997-07-09 1999-02-05 윤종용 Backlighting device for liquid crystal display device
KR100559830B1 (en) * 1999-01-22 2006-03-10 삼성전자주식회사 backlight assembly and liquid crystal display device using the same
KR100943263B1 (en) * 2008-03-11 2010-02-23 희성전자 주식회사 Apparatus for connecting power to eefl in direct lighting backlight unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990009298A (en) * 1997-07-09 1999-02-05 윤종용 Backlighting device for liquid crystal display device
KR100559830B1 (en) * 1999-01-22 2006-03-10 삼성전자주식회사 backlight assembly and liquid crystal display device using the same
KR100943263B1 (en) * 2008-03-11 2010-02-23 희성전자 주식회사 Apparatus for connecting power to eefl in direct lighting backlight unit

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Publication number Publication date
KR0145903B1 (en) 1998-09-15

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