CN100426081C - 具有均匀亮度分布的发光装置 - Google Patents
具有均匀亮度分布的发光装置 Download PDFInfo
- Publication number
- CN100426081C CN100426081C CNB2005101135295A CN200510113529A CN100426081C CN 100426081 C CN100426081 C CN 100426081C CN B2005101135295 A CNB2005101135295 A CN B2005101135295A CN 200510113529 A CN200510113529 A CN 200510113529A CN 100426081 C CN100426081 C CN 100426081C
- Authority
- CN
- China
- Prior art keywords
- light
- emitting device
- reflection part
- reflecting surface
- lamp
- 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.)
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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
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- 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
Abstract
Description
Claims (23)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004301084 | 2004-10-15 | ||
JP2004-301084 | 2004-10-15 | ||
JP2004301084A JP4502776B2 (ja) | 2004-10-15 | 2004-10-15 | 照明装置及び液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1760732A CN1760732A (zh) | 2006-04-19 |
CN100426081C true CN100426081C (zh) | 2008-10-15 |
Family
ID=36180545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101135295A Active CN100426081C (zh) | 2004-10-15 | 2005-10-17 | 具有均匀亮度分布的发光装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7354173B2 (zh) |
JP (1) | JP4502776B2 (zh) |
KR (1) | KR100727326B1 (zh) |
CN (1) | CN100426081C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100965594B1 (ko) * | 2003-12-16 | 2010-06-23 | 엘지디스플레이 주식회사 | 액정표시장치의 램프 구동장치 |
TWI287677B (en) * | 2006-05-12 | 2007-10-01 | Chi Mei Optoelectronics Corp | Structure and method of quasi-U lamp for improving current uniformity of the backlight module |
JP5336475B2 (ja) | 2007-05-20 | 2013-11-06 | スリーエム イノベイティブ プロパティズ カンパニー | 光リサイクリング中空キャビティー型ディスプレイ・バックライト |
JP2016527660A (ja) * | 2013-05-31 | 2016-09-08 | スリーエム イノベイティブ プロパティズ カンパニー | ポリマー誘電体多層リフレクタを含む、バックライト用反射トレイ |
WO2017191714A1 (ja) * | 2016-05-06 | 2017-11-09 | シャープ株式会社 | バックライト装置およびそれを備えた表示装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5253151A (en) * | 1991-09-30 | 1993-10-12 | Rockwell International Corporation | Luminaire for use in backlighting a liquid crystal display matrix |
JP2000216437A (ja) * | 1998-11-20 | 2000-08-04 | Kano Densan Hongkong Yugenkoshi | 照明装置、照明装置を有する表示装置、表示装置用照明装置並びに電子機器 |
JP2004102119A (ja) * | 2002-09-12 | 2004-04-02 | Kodama Chemical Industry Co Ltd | 液晶表示装置の直下型バックライト用反射板 |
CN1534353A (zh) * | 2003-03-27 | 2004-10-06 | Nec液晶技术株式会社 | 背光装置及液晶显示装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04275525A (ja) | 1991-03-04 | 1992-10-01 | Sharp Corp | バックライト付液晶表示装置 |
JPH11126505A (ja) | 1997-10-22 | 1999-05-11 | Nec Home Electron Ltd | 平面状照明装置 |
JP2001312916A (ja) * | 2000-02-24 | 2001-11-09 | Sony Corp | 面光源装置 |
KR20020067232A (ko) | 2001-02-16 | 2002-08-22 | 주식회사 지엘디 | 엘시디용 직하형 백라이트장치 |
KR100698034B1 (ko) * | 2001-11-09 | 2007-03-23 | 엘지.필립스 엘시디 주식회사 | 직하형 백 라이트 |
KR100873070B1 (ko) * | 2002-06-05 | 2008-12-09 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 이용한 액정표시장치 |
KR100959685B1 (ko) * | 2003-10-07 | 2010-05-26 | 엘지디스플레이 주식회사 | 백라이트 고정 어셈블리 |
US6974221B2 (en) * | 2003-12-30 | 2005-12-13 | Au Optronics Corporation | Support for backlight module |
US6960002B2 (en) * | 2004-01-12 | 2005-11-01 | Au Optronics Corp. | Direct backlight module |
TWI282886B (en) * | 2004-04-01 | 2007-06-21 | Au Optronics Corp | Backlight module |
-
2004
- 2004-10-15 JP JP2004301084A patent/JP4502776B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-30 US US11/240,174 patent/US7354173B2/en active Active
- 2005-10-14 KR KR1020050096889A patent/KR100727326B1/ko not_active IP Right Cessation
- 2005-10-17 CN CNB2005101135295A patent/CN100426081C/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5253151A (en) * | 1991-09-30 | 1993-10-12 | Rockwell International Corporation | Luminaire for use in backlighting a liquid crystal display matrix |
JP2000216437A (ja) * | 1998-11-20 | 2000-08-04 | Kano Densan Hongkong Yugenkoshi | 照明装置、照明装置を有する表示装置、表示装置用照明装置並びに電子機器 |
JP2004102119A (ja) * | 2002-09-12 | 2004-04-02 | Kodama Chemical Industry Co Ltd | 液晶表示装置の直下型バックライト用反射板 |
CN1534353A (zh) * | 2003-03-27 | 2004-10-06 | Nec液晶技术株式会社 | 背光装置及液晶显示装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20060053997A (ko) | 2006-05-22 |
KR100727326B1 (ko) | 2007-06-13 |
US7354173B2 (en) | 2008-04-08 |
JP2006114366A (ja) | 2006-04-27 |
JP4502776B2 (ja) | 2010-07-14 |
CN1760732A (zh) | 2006-04-19 |
US20060083025A1 (en) | 2006-04-20 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NEC LCD TECHNOLOGIES LTD. Free format text: FORMER NAME: NEC LCD TECH CORP. |
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CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa Patentee after: NLT TECHNOLOGIES, Ltd. Address before: Kanagawa Patentee before: NEC LCD Technologies, Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20180725 Address after: 536000 the Guangxi Zhuang Autonomous Region Beihai Industrial Park Taiwan Road 10 1 Guangxi Hui Ke Technology Co., Ltd. three story factory floor Patentee after: BEIHAI HKC PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 518100 Guangdong province Shenzhen District Longgang District Bantian Street cloth road long Rong building A-6C Patentee before: SHENZHEN LANSITENG SCIENCE & TECHNOLOGY CO.,LTD. Effective date of registration: 20180725 Address after: A-6C, Rong Xing Road, Longgang Road, Bantian District, Guangdong, Shenzhen Patentee after: SHENZHEN LANSITENG SCIENCE & TECHNOLOGY CO.,LTD. Address before: Kanagawa Patentee before: NLT TECHNOLOGIES, Ltd. |
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TR01 | Transfer of patent right |