KR100670788B1 - 백라이트 어셈블리 - Google Patents
백라이트 어셈블리 Download PDFInfo
- Publication number
- KR100670788B1 KR100670788B1 KR1019980030532A KR19980030532A KR100670788B1 KR 100670788 B1 KR100670788 B1 KR 100670788B1 KR 1019980030532 A KR1019980030532 A KR 1019980030532A KR 19980030532 A KR19980030532 A KR 19980030532A KR 100670788 B1 KR100670788 B1 KR 100670788B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- lamp
- reflective
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0058—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
- G02B6/0081—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
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (2)
- 빛을 발산하는 램프; 및상기 램프와 마주하는 일측면과, 상기 램프에서 멀어질수록 점차적으로 작아지는 광조절 홀들을 갖는 반사막이 도포된 하부면을 갖는 도광판을 포함하며,상기 반사막은 상기 도광판의 하부면 전체에 상기 반사 물질을 도포하고 상기 광조절 홀들이 형성될 영역을 에칭하여 형성된 것을 특징으로 하는 백라이트 어셈블리.
- 제 1 항에 있어서, 상기 반사막은 상기 광조절 홀들이 형성될 영역이 개구된 반사 물질을 상기 하부면에 인쇄하여 형성된 것을 특징으로 하는 백라이트 어셈블리.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980030532A KR100670788B1 (ko) | 1998-07-29 | 1998-07-29 | 백라이트 어셈블리 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980030532A KR100670788B1 (ko) | 1998-07-29 | 1998-07-29 | 백라이트 어셈블리 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000009879A KR20000009879A (ko) | 2000-02-15 |
KR100670788B1 true KR100670788B1 (ko) | 2007-04-26 |
Family
ID=19545547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980030532A KR100670788B1 (ko) | 1998-07-29 | 1998-07-29 | 백라이트 어셈블리 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100670788B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06273754A (ja) * | 1993-03-22 | 1994-09-30 | Hitachi Ltd | 液晶表示装置 |
JPH08271893A (ja) * | 1995-03-31 | 1996-10-18 | Enplas Corp | サイドライト型面光源装置 |
JPH09281491A (ja) * | 1996-04-10 | 1997-10-31 | Seiko Epson Corp | 液晶表示装置 |
-
1998
- 1998-07-29 KR KR1019980030532A patent/KR100670788B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06273754A (ja) * | 1993-03-22 | 1994-09-30 | Hitachi Ltd | 液晶表示装置 |
JPH08271893A (ja) * | 1995-03-31 | 1996-10-18 | Enplas Corp | サイドライト型面光源装置 |
JPH09281491A (ja) * | 1996-04-10 | 1997-10-31 | Seiko Epson Corp | 液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20000009879A (ko) | 2000-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5011151B2 (ja) | 液晶ディスプレイ機器 | |
KR101353475B1 (ko) | 도광판과 이를 포함하는 백라이트 어셈블리 및 이를포함하는 액정 표시 장치 | |
KR20030035220A (ko) | 액정 표시 장치용 백라이트 | |
KR20060038507A (ko) | 액정표시장치용 백라이트 유닛 | |
KR20070112312A (ko) | 백라이트 어셈블리 및 이를 갖는 표시 장치 | |
JP2003281920A (ja) | 照明装置 | |
KR100670788B1 (ko) | 백라이트 어셈블리 | |
KR100492146B1 (ko) | 엘씨디모듈의후광장치구조 | |
JP2577265Y2 (ja) | 面光源装置 | |
JP3871093B2 (ja) | 面光源装置 | |
KR20050015669A (ko) | 백라이트 유닛 | |
KR100500638B1 (ko) | Lcd모듈의후광장치 | |
KR20080004006A (ko) | 백라이트 유닛 및 이를 구비하는 액정 표시 장치 | |
KR100541262B1 (ko) | 백라이트 어셈블리 | |
KR101829785B1 (ko) | 암부 제거를 위한 에어 홀이 형성된 도광판 및 이를 구비한 백라이트 유니트 | |
JP2000137223A (ja) | 液晶表示装置 | |
KR100557447B1 (ko) | 직하형 백라이트 어셈블리의 확산판 | |
KR20050087101A (ko) | 직하형 백라이트 어셈블리의 확산판 | |
JP2001297616A (ja) | フロントライト光源又はバックライト光源に適用する全反射パターン導光板 | |
KR100731307B1 (ko) | 대화면을 구현할 수 있는 액정표시장치 | |
KR100475523B1 (ko) | 백라이트어셈블리 | |
KR100371738B1 (ko) | 도안 구조의 도광판 | |
JPH06317797A (ja) | 面光源装置 | |
KR20030008791A (ko) | 직하형 백라이트 어셈블리 및 이를 갖는 액정표시장치 | |
KR200318323Y1 (ko) | 인쇄방식 도광판 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
J201 | Request for trial against refusal decision | ||
AMND | Amendment | ||
B601 | Maintenance of original decision after re-examination before a trial | ||
J301 | Trial decision |
Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20051119 Effective date: 20061129 |
|
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121214 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140102 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20141231 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20151230 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170102 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |