KR100505189B1 - 백라이트용 도광판 - Google Patents
백라이트용 도광판 Download PDFInfo
- Publication number
- KR100505189B1 KR100505189B1 KR10-2002-0046439A KR20020046439A KR100505189B1 KR 100505189 B1 KR100505189 B1 KR 100505189B1 KR 20020046439 A KR20020046439 A KR 20020046439A KR 100505189 B1 KR100505189 B1 KR 100505189B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- reflection structure
- light guide
- light reflection
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- G02F1/1335—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
-
- 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
-
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
도 광 판 | 휘 도 | 비 고 |
y축에 나란한 V 홈만 갖는 도광판 | 2090 cd/m2 | 100 |
x축과 y축으로 가공한 V 홈을 갖는 도광판 | 2190 cd/m2 | 104.8 |
Claims (17)
- 삭제
- 삭제
- 삭제
- 삭제
- 측면에 위치한 광원으로부터 입사된 광을 전면으로 반사시키는 광반사 구조체를 도광판의 뒷면에 형성한 백라이트용 도광판에 있어서,상기 광반사 구조체는 광이 입사되는 면에 수평으로 직선 광반사 구조체를 V 형 또는 U형 홈으로 형성하고, 상기 직선 광반사 구조체의 길이중심을 향하여 방사형의 곡선 광반사 구조체를 V 형 또는 U형 홈으로 형성하되 상기 직선 광반사 구조체의 길이 중심 부근으로 갈수록 직선 모양으로 형성하는데,상기 광반사 구조체의 간격이 일정한 경우에는 상기 직선 광반사 구조체가 상기 광원으로부터 멀어질수록 깊이가 깊어지고, 상기 곡선 광반사 구조체는 상기 직선 광반사 구조체의 길이 중심으로부터 멀어질수록 깊어지도록 형성되며,상기 광반사 구조체의 깊이가 일정한 경우에는 상기 직선 광반사 구조체가 상기 광원으로부터 멀어질수록 간격이 좁아지고, 상기 곡선 광반사 구조체는 상기 직선 광반사 구조체의 길이 중심으로부터 멀어질수록 간격이 좁아지도록 형성된 것을 특징으로 하는 백라이트용 도광판.
- 제 5항에 있어서, 상기 직선 광반사 구조체는상기 광원으로부터 멀어질수록 간격이 좁아지고 깊이가 깊어지도록 형성된 것을 특징으로 하는 백라이트용 도광판.
- 제 6항에 있어서, 상기 곡선 광반사 구조체는상기 직선 광반사 구조체의 길이 중심으로부터 멀어질수록 간격이 좁아지고 깊어지도록 형성된 것을 특징으로 하는 백라이트용 도광판.
- 삭제
- 삭제
- 삭제
- 측면에 위치한 광원으로부터 입사된 광을 전면으로 반사시키는 광반사 구조체를 도광판의 뒷면에 형성한 백라이트용 도광판에 있어서,상기 광반사 구조체는 상기 광원을 중심으로 방사형이며 상기 광원으로부터 멀어질수록 직선을 형성하는 곡선 광반사 구조체를 V 형 또는 U형 홈으로 형성하고, 광이 입사되는 단면에 수직으로 직선 광반사 구조체를 V 형 또는 U형 홈으로 형성하는데,상기 광반사 구조체의 간격이 일정한 경우에는 상기 곡선 광반사 구조체 및 상기 직선 광반사 구조체가 상기 광원으로부터 멀어질수록 깊이가 깊어지도록 형성되고,상기 광반사 구조체의 깊이가 일정한 경우에는 상기 곡선 광반사 구조체 및 상기 직선 광반사 구조체가 상기 광원으로부터 멀어질수록 간격이 좁아지도록 형성되는 것을 특징으로 하는 백라이트용 도광판.
- 제 11항에 있어서, 상기 곡선 광반사 구조체는상기 광원으로부터 멀어질수록 간격이 좁아지고 깊이가 깊어지도록 형성된 것을 특징으로 하는 백라이트용 도광판.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 9항에 있어서, 상기 직선 광반사 구조체는상기 광원으로부터 멀어질수록 간격이 좁아지고 깊이가 깊어지도록 형성된 것을 특징으로 하는 백라이트용 도광판.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0046439A KR100505189B1 (ko) | 2002-08-07 | 2002-08-07 | 백라이트용 도광판 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0046439A KR100505189B1 (ko) | 2002-08-07 | 2002-08-07 | 백라이트용 도광판 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020020023566U Division KR200294996Y1 (ko) | 2002-08-07 | 2002-08-07 | 백라이트용 도광판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040013486A KR20040013486A (ko) | 2004-02-14 |
KR100505189B1 true KR100505189B1 (ko) | 2005-08-08 |
Family
ID=37320810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0046439A KR100505189B1 (ko) | 2002-08-07 | 2002-08-07 | 백라이트용 도광판 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100505189B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040094053A (ko) * | 2003-05-01 | 2004-11-09 | 주식회사 우영 | 디스플레이 장치용 백 라이트 |
KR101250374B1 (ko) * | 2010-09-09 | 2013-04-05 | 엘지이노텍 주식회사 | Sag 조절 패턴이 형성된 백라이트 유닛 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0935518A (ja) * | 1995-07-21 | 1997-02-07 | Hokuto Seisakusho:Kk | 液晶表示用導光板 |
JP2001028202A (ja) * | 1999-07-14 | 2001-01-30 | Citizen Electronics Co Ltd | フロントライト光源 |
KR20010035196A (ko) * | 2001-01-12 | 2001-05-07 | 최인식 | 이종 패턴으로 구성된 무인쇄 도광판 및 그것을 이용한백라이트 |
JP2001133776A (ja) * | 1999-11-04 | 2001-05-18 | Kyocera Corp | 反射型液晶表示装置 |
JP2001143512A (ja) * | 1999-11-12 | 2001-05-25 | Seiko Precision Inc | 導光板及び照明装置及び照明装置付き表示装置 |
KR20020023262A (ko) * | 2002-01-08 | 2002-03-28 | 유영호 | 백라이트 유니트의 도광판 |
-
2002
- 2002-08-07 KR KR10-2002-0046439A patent/KR100505189B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0935518A (ja) * | 1995-07-21 | 1997-02-07 | Hokuto Seisakusho:Kk | 液晶表示用導光板 |
JP2001028202A (ja) * | 1999-07-14 | 2001-01-30 | Citizen Electronics Co Ltd | フロントライト光源 |
JP2001133776A (ja) * | 1999-11-04 | 2001-05-18 | Kyocera Corp | 反射型液晶表示装置 |
JP2001143512A (ja) * | 1999-11-12 | 2001-05-25 | Seiko Precision Inc | 導光板及び照明装置及び照明装置付き表示装置 |
KR20010035196A (ko) * | 2001-01-12 | 2001-05-07 | 최인식 | 이종 패턴으로 구성된 무인쇄 도광판 및 그것을 이용한백라이트 |
KR20020023262A (ko) * | 2002-01-08 | 2002-03-28 | 유영호 | 백라이트 유니트의 도광판 |
Also Published As
Publication number | Publication date |
---|---|
KR20040013486A (ko) | 2004-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6074069A (en) | Backlight source device with circular arc diffusion units | |
US7641374B2 (en) | Backlight module and light guide plate thereof | |
KR100932304B1 (ko) | 배면에 비대칭 프리즘을 구비하는 백라이트 유닛용 도광판및 이를 이용한 액정표시장치 | |
US6454452B1 (en) | Backlight for liquid crystal display device | |
US20020008969A1 (en) | Bar-shaped light guide, beam lighting device using the bar-shaped light guide, and surface lighting device using the beam lighting device | |
US7465084B2 (en) | Light guiding plate and backlight apparatus | |
CN101097349A (zh) | 背光组件及采用其的液晶显示器件 | |
KR100524332B1 (ko) | 표시장치 및 도광판 | |
US7766532B2 (en) | Light guide for surface light source device and surface light source device | |
US6435686B1 (en) | Light conducting plate for a back lighting device and back lighting device | |
KR100505189B1 (ko) | 백라이트용 도광판 | |
KR200294996Y1 (ko) | 백라이트용 도광판 | |
KR20080006311A (ko) | 도광판 및 이를 갖는 백라이트 어셈블리 | |
JP4165111B2 (ja) | エッジライトパネル | |
JP2001332112A (ja) | 液晶表示装置用バックライトおよびこれを備えた液晶表示装置 | |
KR100646137B1 (ko) | 백라이트 유닛용 도광판 | |
KR20020031566A (ko) | 액정 표시 장치용 백라이트 | |
KR100557451B1 (ko) | 직하형 백라이트 어셈블리의 확산판 | |
KR20040094053A (ko) | 디스플레이 장치용 백 라이트 | |
KR200288842Y1 (ko) | 음각패턴의 광반사 구조체를 구비한 도광판 | |
CN217425732U (zh) | 双结构侧入式导光板及背光模组 | |
JP2002040418A (ja) | 液晶表示装置用バックライトおよび液晶表示装置 | |
KR101278440B1 (ko) | 브이자형 홈을 구비한 도광판 | |
KR100373442B1 (ko) | 광반사 구조체를 갖는 도광판 | |
CN213633895U (zh) | 一种导光板、背光源及移动终端 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20020807 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040629 Patent event code: PE09021S01D |
|
AMND | Amendment | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20050221 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20040629 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
PJ0201 | Trial against decision of rejection |
Patent event date: 20050323 Comment text: Request for Trial against Decision on Refusal Patent event code: PJ02012R01D Patent event date: 20050221 Comment text: Decision to Refuse Application Patent event code: PJ02011S01I Appeal kind category: Appeal against decision to decline refusal Decision date: 20050526 Appeal identifier: 2005101001754 Request date: 20050323 |
|
PB0901 | Examination by re-examination before a trial |
Comment text: Amendment to Specification, etc. Patent event date: 20050323 Patent event code: PB09011R02I Comment text: Request for Trial against Decision on Refusal Patent event date: 20050323 Patent event code: PB09011R01I Comment text: Amendment to Specification, etc. Patent event date: 20040827 Patent event code: PB09011R02I |
|
B701 | Decision to grant | ||
PB0701 | Decision of registration after re-examination before a trial |
Patent event date: 20050526 Comment text: Decision to Grant Registration Patent event code: PB07012S01D Patent event date: 20050502 Comment text: Transfer of Trial File for Re-examination before a Trial Patent event code: PB07011S01I |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20050725 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20050725 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20080404 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20090518 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20100608 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20110617 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20120522 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20120522 Start annual number: 8 End annual number: 8 |
|
FPAY | Annual fee payment |
Payment date: 20130628 Year of fee payment: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20130628 Start annual number: 9 End annual number: 9 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20150609 |