KR101042698B1 - 면광원 장치 - Google Patents
면광원 장치 Download PDFInfo
- Publication number
- KR101042698B1 KR101042698B1 KR1020090068423A KR20090068423A KR101042698B1 KR 101042698 B1 KR101042698 B1 KR 101042698B1 KR 1020090068423 A KR1020090068423 A KR 1020090068423A KR 20090068423 A KR20090068423 A KR 20090068423A KR 101042698 B1 KR101042698 B1 KR 101042698B1
- Authority
- KR
- South Korea
- Prior art keywords
- light source
- guide plate
- point light
- light guide
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
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- 239000004973 liquid crystal related substance Substances 0.000 description 10
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- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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Images
Classifications
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- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
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)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (8)
- 입사된 광을 가이드하는 도광판;상기 도광판의 적어도 일측부에 배치되어 상기 도광판에 상기 광을 제공하는 다수의 제1 점광원 소자들 및 상기 제1 점광원 소자들이 배치된 제1 지지 기판을 포함하는 제1 점광원 어셈블리; 및상기 도광판의 하부에 배치되어 상기 도광판 상부 및 상기 도광판 내로 광을 제공하는 다수의 제2 점광원 소자들 및 상기 제2 점광원 소자들이 배치된 제2 지지 기판을 포함하는 제2 점광원 어셈블리를 포함하되,상기 제2 점광원 소자들은 상기 제1 점광원 소자들 사이의 공간에 대응하는 상기 제2 지지 기판의 영역들 상에 배치되는 면광원 장치.
- 제1 항에 있어서,상기 제1 점광원 소자들 및 상기 제2 점광원 소자들은 동시에 발광하는 면광원 장치.
- 삭제
- 제1 항에 있어서,상기 제1 점광원 어셈블리는 상기 도광판의 대향하는 양측부에 배치되고, 상 기 제2 점광원 어셈블리의 상기 제2 점광원 소자들은 상기 도광판의 양측부에 인접한 영역보다 상기 도광판의 양측부 사이의 중간부에 대응하는 영역에서 더 높은 밀도로 배치된 면광원 장치.
- 제1 항에 있어서,상기 제2 지지 기판 상에 배치되고 상기 도광판 하부로 전달되는 광을 반사하며, 상기 제2 점광원 소자들에 대응하는 개구부가 형성된 반사 시트를 더욱 포함하는 면광원 장치.
- 제1 항에 있어서,상기 제2 점광원 어셈블리는 나란히 배열된 다수의 점광원 블록들로 이루어진 면광원 장치.
- 제6 항에 있어서,상기 제1 점광원 어셈블리는 상기 도광판의 대향하는 양측부에 배치되고, 상기 제2 점광원 어셈블리의 상기 제2 점광원 소자들은 상기 도광판의 양측부에 인접한 점광원 블록보다 상기 도광판의 양측부 사이의 중간부에 대응하여 위치하는 점광원 블록에서 더 높은 밀도로 배치된 면광원 장치.
- 제 1항에 있어서,상기 도광판 상부에 배치되어 상기 도광판으로부터 전달되는 광을 확산하고 집광하는 광학시트들을 더욱 포함하는 면광원 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090068423A KR101042698B1 (ko) | 2009-07-27 | 2009-07-27 | 면광원 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090068423A KR101042698B1 (ko) | 2009-07-27 | 2009-07-27 | 면광원 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110011008A KR20110011008A (ko) | 2011-02-08 |
KR101042698B1 true KR101042698B1 (ko) | 2011-06-20 |
Family
ID=43771281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090068423A Expired - Fee Related KR101042698B1 (ko) | 2009-07-27 | 2009-07-27 | 면광원 장치 |
Country Status (1)
Country | Link |
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KR (1) | KR101042698B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014163336A1 (ko) * | 2013-03-30 | 2014-10-09 | 주식회사 케이엠더블유 | 전력제어 시스템 |
CN110262123B (zh) * | 2019-05-29 | 2022-04-01 | 深圳赛时达科技有限公司 | 双色量子点背光模组 |
CN117031825A (zh) * | 2023-08-30 | 2023-11-10 | 惠科股份有限公司 | 背光模组和显示设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713891B1 (ko) | 2005-02-17 | 2007-05-04 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치용 백라이트 유니트 |
KR20070074158A (ko) * | 2006-01-06 | 2007-07-12 | 삼성전자주식회사 | 도광판 및 이를 갖는 백라이트 어셈블리 |
KR20080002134A (ko) * | 2006-06-30 | 2008-01-04 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 백라이트 유닛 및 이를 이용한액정표시장치모듈 |
JP2008071755A (ja) * | 2006-09-14 | 2008-03-27 | Au Optronics Corp | バックライトユニット及びledパッケージ構造体 |
-
2009
- 2009-07-27 KR KR1020090068423A patent/KR101042698B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713891B1 (ko) | 2005-02-17 | 2007-05-04 | 비오이 하이디스 테크놀로지 주식회사 | 액정표시장치용 백라이트 유니트 |
KR20070074158A (ko) * | 2006-01-06 | 2007-07-12 | 삼성전자주식회사 | 도광판 및 이를 갖는 백라이트 어셈블리 |
KR20080002134A (ko) * | 2006-06-30 | 2008-01-04 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 백라이트 유닛 및 이를 이용한액정표시장치모듈 |
JP2008071755A (ja) * | 2006-09-14 | 2008-03-27 | Au Optronics Corp | バックライトユニット及びledパッケージ構造体 |
Also Published As
Publication number | Publication date |
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KR20110011008A (ko) | 2011-02-08 |
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