KR960001825A - Surface light source device - Google Patents
Surface light source device Download PDFInfo
- Publication number
- KR960001825A KR960001825A KR1019940015021A KR19940015021A KR960001825A KR 960001825 A KR960001825 A KR 960001825A KR 1019940015021 A KR1019940015021 A KR 1019940015021A KR 19940015021 A KR19940015021 A KR 19940015021A KR 960001825 A KR960001825 A KR 960001825A
- Authority
- KR
- South Korea
- Prior art keywords
- shape
- lamp holder
- light
- source device
- guide plate
- 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
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- 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
- G02B6/0085—Means for removing heat created by the light source from the package
-
- 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
Abstract
본 발명은 액정표시소자등의 조명장치로 사용되는 면광원장치에 관한 것이다. 이를 위한 본 발명은, 램프로 부터의 광을 확산판으로 안내하는 도광판과, 상기 도광판의 하부에 설치되며 도광판으로 부터 안내되는 광에서 분산된 광을 상기 확산판으로 반사시키는 반사판과,이 반사판과 도광판 사이에 형성되는 산란점막, 및 상기 램프를 고정설치하는 램프홀더를 구비하는 면광원장치에 있어서, 상기 램프홀더를 광 이용효율이 순차적으로 큰 복합, 코너드, 스퀘어, 비구면, 구면 형상을 조합하여 구성하되, 상기 램프로 부터 도광판으로 입사되는 광의 세기가 균일하게 유지되도록 상기 램프홀더의 양측단부는 광이용효율이 큰 형상으로 하고 상기 램프홀더의 중앙부쪽으로 향하면서 상기 양측단부에 이용된 형상보다 광 이용효율이 작은 형상으로 하여 구성된 램프홀더를 포함하고 있어, 상기 램프에서 도광판으로 입사되는 광세기 분포를 균일하게 할 수 있는 이점을 제공한다.The present invention relates to a surface light source device used as a lighting device such as a liquid crystal display device. The present invention for this purpose, a light guide plate for guiding the light from the lamp to the diffuser plate, a reflecting plate installed in the lower portion of the light guide plate and reflecting the light dispersed in the light guided from the light guide plate to the diffuser plate, In the surface light source device having a scattering mucosa formed between the light guide plate, and a lamp holder for fixing the lamp, the lamp holder is a combination of a composite, corner, square, aspherical, spherical shape with sequentially high light utilization efficiency In order to maintain the intensity of light incident from the lamp to the light guide plate uniformly, both end portions of the lamp holder have a high light utilization efficiency and are directed toward the center portion of the lamp holder, rather than the shape used at the both end portions. It includes a lamp holder configured to have a shape with a low light utilization efficiency, the light incident to the light guide plate from the lamp The distribution offers the advantage that can be made uniform.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 종래 면광원장치를 개략적으로 도시한 단면도.1 is a cross-sectional view schematically showing a conventional surface light source device.
제2도는 제1도의 면광원장치에 의해 조사되는 광세기 분포를 나타내는 사시도.2 is a perspective view showing a light intensity distribution irradiated by the surface light source device of FIG.
제3도는 종래 면광원장치의 다른 실시예를 도시한 사시도.3 is a perspective view showing another embodiment of the conventional surface light source device.
제4도는 본 발명에 따른 면광원장치를 설명하기 위한 일반적인 면광원장치의 구성도.4 is a block diagram of a general surface light source device for explaining the surface light source device according to the present invention.
제5도는 제4도의 면광원장치의광손실율을 나타내는 그래프.5 is a graph showing the light loss rate of the surface light source device of FIG.
제6도는 본 발명에 따른 면광원장치에 적용되는 램프홀더 형상의 다양한 형태를 나타내는 예시도.6 is an exemplary view showing various forms of lamp holder shapes applied to the surface light source device according to the present invention.
제7도는 본 발명에 따른 면발광장치를 도시한 사시도.7 is a perspective view showing a surface light emitting device according to the present invention.
제8도 내지 제10도는 본 발명에 따른 면발광장치의 다른 실시예를 도시한 사시도.8 to 10 are perspective views showing another embodiment of the surface light emitting device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
11 : 확산판 12 : 램프11: diffuser 12: lamp
13 : 도광판 14 : 반사판13: light guide plate 14: reflecting plate
15 : 산란점막 16 : 램프홀더15: scattering mucosa 16: lamp holder
18 : 광세기 분포 18 : 발광휘도 분포18 light intensity distribution 18 light emission luminance distribution
40 : 구면(Concentric)형상 50 : 비구면(Aspherical)형상40: Concentric shape 50: Aspherical shape
55 : 스퀘어(Square)형상 60 : 코너드(Cornered)형상55: Square shape 60: Cornered shape
65 : 복합(Composite)형상65: Composite shape
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940015021A KR0149722B1 (en) | 1994-06-28 | 1994-06-28 | Flat light source device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940015021A KR0149722B1 (en) | 1994-06-28 | 1994-06-28 | Flat light source device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960001825A true KR960001825A (en) | 1996-01-25 |
KR0149722B1 KR0149722B1 (en) | 1998-10-15 |
Family
ID=19386535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940015021A KR0149722B1 (en) | 1994-06-28 | 1994-06-28 | Flat light source device |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0149722B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990008720A (en) * | 1997-07-03 | 1999-02-05 | 윤종용 | Backlight Assembly of Liquid Crystal Display |
KR100356290B1 (en) * | 2000-02-23 | 2002-10-12 | 삼성전기주식회사 | Coil separator of deflection yoke |
KR100783619B1 (en) * | 2002-06-29 | 2007-12-07 | 삼성전자주식회사 | Apparatus for lighting, backlight assembly and liquid crystal display having the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100617879B1 (en) * | 2000-01-18 | 2006-09-08 | 삼성전자주식회사 | Backlight unit for a liquid crystal display device |
-
1994
- 1994-06-28 KR KR1019940015021A patent/KR0149722B1/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990008720A (en) * | 1997-07-03 | 1999-02-05 | 윤종용 | Backlight Assembly of Liquid Crystal Display |
KR100356290B1 (en) * | 2000-02-23 | 2002-10-12 | 삼성전기주식회사 | Coil separator of deflection yoke |
KR100783619B1 (en) * | 2002-06-29 | 2007-12-07 | 삼성전자주식회사 | Apparatus for lighting, backlight assembly and liquid crystal display having the same |
Also Published As
Publication number | Publication date |
---|---|
KR0149722B1 (en) | 1998-10-15 |
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E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20021231 Year of fee payment: 6 |
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LAPS | Lapse due to unpaid annual fee |