KR100518909B1 - 액정표시기기용 직하형 백라이트 셋트의 빛확산판 - Google Patents
액정표시기기용 직하형 백라이트 셋트의 빛확산판 Download PDFInfo
- Publication number
- KR100518909B1 KR100518909B1 KR10-2002-0056709A KR20020056709A KR100518909B1 KR 100518909 B1 KR100518909 B1 KR 100518909B1 KR 20020056709 A KR20020056709 A KR 20020056709A KR 100518909 B1 KR100518909 B1 KR 100518909B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- layer
- light diffusion
- diffusion plate
- light diffusing
- Prior art date
Links
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
- G02F1/133602—Direct backlight
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (7)
- 반사판이 장착된 베이스와, 상기 베이스 내측의 반사판 위에 일정간격으로 설치되는 다수개의 광원과, 상기 광원의 상방에 설치되는 빛확산판으로 구성되며, 상기 빛확산판의 일면이나 양면에 합성수지계 접착제에 아주 작은 미크론 단위의 크기를 갖는 빛확산입자를 혼합하여서 된 빛확산제를 인쇄하여 형성되는 빛확산층과, 상기 빛확산층을 커버하도록 형성되며 노출표면은 광원의 빛을 굴절 및 반사시키기 위한 요철면으로 형성되어 있는 엠보싱층을 포함하여 구성되는 직하형 백라이트 셋트에 있어서,상기 빛확산층과 엠보싱층은 각 광원들의 빛이 밝게 조명되는 하이영역 또는 하이영역보다 어둡게 조명되는 로우영역의 범위 중에서 선택된 어느 하나의 영역범위내의 빛확산판 일면에 형성되어 있는 것을 특징으로 하는 액정표시기기용 직하형 백라이트 셋트의 빛확산판.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 빛확산층은 빛확산판의 일면의 하이영역범위내에 일정간격으로 형성되며, 상기 엠보싱층은 일정간격으로 형성된 빛확산층 전부를 커버하도록 빛확산판의 일면 전체에 형성시킨 것을 특징으로 하는 액정표시기기용 직하형 백라이트 셋트의 빛확산판.
- 제 1 항에 있어서,상기 빛확산층 및 엠보싱층은 다수의 광원들에 의하여 밝게 조명되는 각 하이영역범위내의 빛확산판 양면에 형성된 것을 특징으로 하는 액정표시기기용 직하형 백라이트 셋트의 빛확산판.
- 제 1 항에 있어서,상기 빛확산층 및 엠보싱층은 다수의 광원들에 의해 하이영역보다 어둡게 조명되는 각 로우영역범위내의 빛확산판 양면에 형성된 것을 특징으로 하는 액정표시기기용 직하형 백라이트 셋트의 빛확산판.
- 제 1 항에 있어서,상기 빛확산층은 다수의 광원들에 의하여 밝게 조명되는 각 하이영역범위내의 빛확산판 양면에 형성되고, 상기 엠보싱층은 각 하이영역범위내에 형성된 빛확상층 전부를 커버하도록 빛확산판 양면 전체에 형성된 것을 특징으로 하는 액정표시기기용 직하형 백라이트 셋트의 빛확산판.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0056709A KR100518909B1 (ko) | 2002-09-18 | 2002-09-18 | 액정표시기기용 직하형 백라이트 셋트의 빛확산판 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0056709A KR100518909B1 (ko) | 2002-09-18 | 2002-09-18 | 액정표시기기용 직하형 백라이트 셋트의 빛확산판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040024955A KR20040024955A (ko) | 2004-03-24 |
KR100518909B1 true KR100518909B1 (ko) | 2005-10-05 |
Family
ID=37327936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0056709A KR100518909B1 (ko) | 2002-09-18 | 2002-09-18 | 액정표시기기용 직하형 백라이트 셋트의 빛확산판 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100518909B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4522935B2 (ja) * | 2005-09-30 | 2010-08-11 | 株式会社 日立ディスプレイズ | バックライト照明装置および画像表示装置 |
KR101239824B1 (ko) * | 2006-06-23 | 2013-03-06 | 엘지디스플레이 주식회사 | 대형 액정표시장치용 백라이트 유닛 |
KR100755010B1 (ko) | 2006-10-30 | 2007-09-04 | 황천남 | 조명장치 |
KR101461366B1 (ko) * | 2013-03-14 | 2014-11-20 | 엘지디스플레이 주식회사 | 액정표시장치 |
CN110967875A (zh) * | 2019-12-30 | 2020-04-07 | 深圳市瀚达美电子有限公司 | 车载直下式背光模组及显示装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0527238A (ja) * | 1991-07-19 | 1993-02-05 | Sharp Corp | 液晶用照明装置 |
JPH0593911A (ja) * | 1991-10-03 | 1993-04-16 | Sharp Corp | 液晶用照明装置 |
JPH07218705A (ja) * | 1994-02-04 | 1995-08-18 | Dainippon Printing Co Ltd | 光拡散フィルム |
JPH11142819A (ja) * | 1997-11-05 | 1999-05-28 | Hitachi Ltd | 液晶表示装置 |
JP2000235805A (ja) * | 1998-12-14 | 2000-08-29 | Sharp Corp | バックライト装置およびその製造方法ならびに液晶表示装置 |
KR20000061434A (ko) * | 1999-03-26 | 2000-10-16 | 윤종용 | 직하 방식의 액정표시장치 |
KR20030080764A (ko) * | 2002-04-10 | 2003-10-17 | 주식회사 윈스텍 | 직하형 백라이트 장치 |
KR20030087800A (ko) * | 2002-05-10 | 2003-11-15 | 삼성전자주식회사 | 액정 표시 장치 |
-
2002
- 2002-09-18 KR KR10-2002-0056709A patent/KR100518909B1/ko active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0527238A (ja) * | 1991-07-19 | 1993-02-05 | Sharp Corp | 液晶用照明装置 |
JPH0593911A (ja) * | 1991-10-03 | 1993-04-16 | Sharp Corp | 液晶用照明装置 |
JPH07218705A (ja) * | 1994-02-04 | 1995-08-18 | Dainippon Printing Co Ltd | 光拡散フィルム |
JPH11142819A (ja) * | 1997-11-05 | 1999-05-28 | Hitachi Ltd | 液晶表示装置 |
JP2000235805A (ja) * | 1998-12-14 | 2000-08-29 | Sharp Corp | バックライト装置およびその製造方法ならびに液晶表示装置 |
KR20000061434A (ko) * | 1999-03-26 | 2000-10-16 | 윤종용 | 직하 방식의 액정표시장치 |
KR20030080764A (ko) * | 2002-04-10 | 2003-10-17 | 주식회사 윈스텍 | 직하형 백라이트 장치 |
KR20030087800A (ko) * | 2002-05-10 | 2003-11-15 | 삼성전자주식회사 | 액정 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR20040024955A (ko) | 2004-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7231861B2 (ja) | 面光源装置、表示装置及び電子機器 | |
US5997148A (en) | Surface light source device of side light type | |
KR101171546B1 (ko) | 측면 조광형 백라이트 장치 | |
JP3394025B2 (ja) | フロントライト導光板 | |
US9864122B2 (en) | Diffusing of direct backlight for a display panel | |
US7581850B2 (en) | Light guide plate and backlight module using the same | |
KR20020064288A (ko) | 백라이트 장치 | |
JP2004157472A (ja) | 導光材および照明装置 | |
JP5199830B2 (ja) | 表示装置 | |
US20060120107A1 (en) | LED backlight module | |
KR101007079B1 (ko) | 직하형 백라이트 유닛 | |
TWI404893B (zh) | 無導光板之led發光構造 | |
GB2506625A (en) | LCD backlight display | |
JP2010218693A (ja) | 点状光源用導光板 | |
KR100518909B1 (ko) | 액정표시기기용 직하형 백라이트 셋트의 빛확산판 | |
JP2009163016A (ja) | 薄型外照式看板 | |
KR20140067471A (ko) | 확산용 도광필름, 백라이트부 및 이를 구비한 액정표시소자 | |
CN113260908A (zh) | 显示装置、照明装置、导光部件及导光构造 | |
KR100939191B1 (ko) | 미세 구멍이 분포된 반사시트를 구비한 백라이트용 광학패널 | |
KR100707164B1 (ko) | 색분산 개선용 확산판 및 이를 채용한 디스플레이 소자용조명장치 | |
KR20100009827A (ko) | 다각형 프리즘 확산패턴을 이용한 액정표시장치 백라이트유닛용 도광판 및 이를 이용한 액정표시장치용 백라이트유닛 | |
JPH1153918A (ja) | 照明装置および液晶表示装置および電子機器 | |
KR20200042167A (ko) | 휘도 및 휘도의 균일도를 향상시킨 직하형 면광원 장치 | |
JP7157351B2 (ja) | 面光源装置、表示装置及び電子機器 | |
KR0166627B1 (ko) | 입사광선의 입사방향과 직교하는 방향으로 굴절 반사시키는 굴절반사체 및 이를 이용한 광고조명방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
B701 | Decision to grant | ||
N231 | Notification of change of applicant | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130607 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20140605 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20150825 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20160816 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20170809 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20190822 Year of fee payment: 15 |