JP2010061138A - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP2010061138A JP2010061138A JP2009203020A JP2009203020A JP2010061138A JP 2010061138 A JP2010061138 A JP 2010061138A JP 2009203020 A JP2009203020 A JP 2009203020A JP 2009203020 A JP2009203020 A JP 2009203020A JP 2010061138 A JP2010061138 A JP 2010061138A
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- JP
- Japan
- Prior art keywords
- light
- guide plate
- display device
- sensor
- storage container
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
-
- 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
- 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
-
- 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
-
- 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
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
【解決手段】表示装置は、映像を表示する表示パネル30と、光を発生する光源と、光をガイドして表示パネルの下部に配置される導光板50と、光源及び導光板を収納する収納容器と、収納容器に固定されて光を感知する光センサ91と、収納容器の縁に形成されて光が光センサに到達する通路になる受光ホール83と、導光板及び光センサの間に介在して光センサに入射する光の輝度を減少させる光調節部材73と、を備え、光センサは、受光ホールによって光調節部材に露出する。
【選択図】図4
Description
10 上部収納容器
20 中間フレーム
21 側壁部
22 安着部
23、83 受光ホール
24、84 センサ挿入溝
30 表示パネル
31 下部表示板
32 上部表示板
40、40’ 光学シート
41 光学シートの一部
42、51、72、73、93 光調節部材
50 導光板
60 光源アセンブリ
61 光源
62 光源カバー
70、70’ 反射シート
71 反射面
80 下部収納容器
81 切開部
82 床面
90 センサアセンブリ
91 光センサ
92 センサボード
500 光データ信号制御部
510 輝度決定部
520 輝度補償部
530 光データ信号出力部
600 バックライトドライバ
700 光測定部
Claims (10)
- 映像を表示する表示パネルと、
光を発生する光源と、
前記光をガイドして前記表示パネルの下部に配置される導光板と、
前記光源及び前記導光板を収納する収納容器と、
前記収納容器に固定されて前記光を感知する光センサと、
前記収納容器の縁に形成されて前記光が前記光センサに到達する通路になる受光ホールと、
前記導光板及び前記光センサの間に介在して前記光センサに入射する前記光の輝度を減少させる光調節部材と、を備え、
前記光センサは、前記受光ホールによって前記光調節部材に露出することを特徴とする表示装置。 - 前記光調節部材は、前記収納容器に収納される反射シートの一端部であることを特徴とする請求項1に記載の表示装置。
- 前記光センサは、前記収納容器の床面に形成されて前記導光板と重ならないことを特徴とする請求項2に記載の表示装置。
- 前記光センサは、前記収納容器の側壁部に配置され、前記反射シートは、前記導光板の側部に折曲されて前記光センサ及び前記導光板の側面と重なることを特徴とする請求項2に記載の表示装置。
- 前記反射シートは、入射する光の少なくとも一部を透過させることを特徴とする請求項2に記載の表示装置。
- 前記反射シートの一端部は、前記導光板の外に突出することを特徴とする請求項2に記載の表示装置。
- 前記光調節部材は、前記表示パネルと前記導光板との間に介在する光学シートの一端部であることを特徴とする請求項1に記載の表示装置。
- 前記光センサは、前記収納容器の側壁部に配置され、前記光学シートは、前記導光板の側部に折曲されて前記光センサ及び前記導光板の側面と重なることを特徴とする請求項7に記載の表示装置。
- 前記光源は、前記導光板の一側部に配置され、前記光センサは、前記光源が配置されない他側部に配置されることを特徴とする請求項1に記載の表示装置。
- 前記光調節部材は、前記光源が配置されない前記導光板の側面に形成された光調節パターンであることを特徴とする請求項1に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0086327 | 2008-09-02 | ||
KR1020080086327A KR101440499B1 (ko) | 2008-09-02 | 2008-09-02 | 표시 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010061138A true JP2010061138A (ja) | 2010-03-18 |
JP5495256B2 JP5495256B2 (ja) | 2014-05-21 |
Family
ID=41725223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009203020A Expired - Fee Related JP5495256B2 (ja) | 2008-09-02 | 2009-09-02 | 表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8733998B2 (ja) |
JP (1) | JP5495256B2 (ja) |
KR (1) | KR101440499B1 (ja) |
CN (1) | CN101666927B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012185242A (ja) * | 2011-03-04 | 2012-09-27 | Japan Display East Co Ltd | 液晶表示装置 |
WO2013179370A1 (ja) * | 2012-05-28 | 2013-12-05 | Necディスプレイソリューションズ株式会社 | Ledバックライト表示装置及びledバックライト配置方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120053167A (ko) * | 2010-11-17 | 2012-05-25 | 엘지전자 주식회사 | 디스플레이장치 |
CN103090255B (zh) * | 2011-10-27 | 2015-06-03 | 群康科技(深圳)有限公司 | 显示装置及其背光模块 |
TWI451170B (zh) * | 2012-04-10 | 2014-09-01 | Au Optronics Corp | 邊框窄化顯示裝置及其製造方法 |
US9116273B2 (en) * | 2012-11-02 | 2015-08-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and display apparatus |
US9240162B2 (en) | 2012-12-31 | 2016-01-19 | Lg Display Co., Ltd. | Transparent display apparatus and method for controlling the same |
JP2014170159A (ja) * | 2013-03-05 | 2014-09-18 | Japan Display Inc | 液晶表示装置 |
JP2014232239A (ja) * | 2013-05-30 | 2014-12-11 | Eizo株式会社 | 画像表示装置の光センサ取付構造。 |
CN105508936B (zh) * | 2016-01-26 | 2019-05-28 | 武汉华星光电技术有限公司 | 背光模块和显示装置 |
CN114554177A (zh) * | 2016-05-19 | 2022-05-27 | 瑞尔D斯帕克有限责任公司 | 广角成像定向背光源 |
KR102489004B1 (ko) * | 2016-05-31 | 2023-01-17 | 엘지전자 주식회사 | 디스플레이 장치 |
CN110515238B (zh) * | 2019-08-27 | 2024-04-16 | 深圳市隆利科技股份有限公司 | 指纹识别背光模组及电子设备 |
CN112614465A (zh) * | 2020-12-21 | 2021-04-06 | 苏州长风航空电子有限公司 | 一种机载显示器背光亮度精准控制方法及装置 |
Citations (8)
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JPH10222084A (ja) * | 1997-02-03 | 1998-08-21 | Nanao Corp | 液晶表示装置の光検出器 |
JP2000340388A (ja) * | 1999-05-28 | 2000-12-08 | Nippon Seiki Co Ltd | バックライト装置 |
JP2004199968A (ja) * | 2002-12-18 | 2004-07-15 | Advanced Display Inc | 面状光源装置、液晶表示装置及び表示装置 |
JP2005148372A (ja) * | 2003-11-14 | 2005-06-09 | Nec Mitsubishi Denki Visual Systems Kk | 液晶表示装置の光量検出器 |
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JP2007122954A (ja) * | 2005-10-26 | 2007-05-17 | Nec Lcd Technologies Ltd | バックライトユニット及び液晶表示装置 |
JP2007256405A (ja) * | 2006-03-22 | 2007-10-04 | Nec Lcd Technologies Ltd | 液晶表示装置及びそれに用いるバックライトユニット |
Family Cites Families (4)
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---|---|---|---|---|
KR101216989B1 (ko) | 2005-12-30 | 2013-01-02 | 엘지디스플레이 주식회사 | 엘이디 백라이트의 광센서를 이용한 액정표시장치 |
JP4329824B2 (ja) * | 2006-06-15 | 2009-09-09 | エプソンイメージングデバイス株式会社 | 表示装置 |
KR20080016281A (ko) | 2006-08-18 | 2008-02-21 | 삼성전자주식회사 | 백라이트 유닛과 이를 포함하는 표시장치 |
KR101341123B1 (ko) * | 2006-12-15 | 2013-12-13 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
-
2008
- 2008-09-02 KR KR1020080086327A patent/KR101440499B1/ko active IP Right Grant
-
2009
- 2009-08-26 US US12/547,615 patent/US8733998B2/en active Active
- 2009-09-02 JP JP2009203020A patent/JP5495256B2/ja not_active Expired - Fee Related
- 2009-09-02 CN CN200910171652.0A patent/CN101666927B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10222084A (ja) * | 1997-02-03 | 1998-08-21 | Nanao Corp | 液晶表示装置の光検出器 |
JP2000340388A (ja) * | 1999-05-28 | 2000-12-08 | Nippon Seiki Co Ltd | バックライト装置 |
JP2004199968A (ja) * | 2002-12-18 | 2004-07-15 | Advanced Display Inc | 面状光源装置、液晶表示装置及び表示装置 |
JP2007501962A (ja) * | 2003-05-22 | 2007-02-01 | シーメンス アクチエンゲゼルシヤフト | 平型画面パネルを備えた装置 |
JP2005148372A (ja) * | 2003-11-14 | 2005-06-09 | Nec Mitsubishi Denki Visual Systems Kk | 液晶表示装置の光量検出器 |
JP2006292833A (ja) * | 2005-04-06 | 2006-10-26 | Casio Comput Co Ltd | 電子機器 |
JP2007122954A (ja) * | 2005-10-26 | 2007-05-17 | Nec Lcd Technologies Ltd | バックライトユニット及び液晶表示装置 |
JP2007256405A (ja) * | 2006-03-22 | 2007-10-04 | Nec Lcd Technologies Ltd | 液晶表示装置及びそれに用いるバックライトユニット |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012185242A (ja) * | 2011-03-04 | 2012-09-27 | Japan Display East Co Ltd | 液晶表示装置 |
WO2013179370A1 (ja) * | 2012-05-28 | 2013-12-05 | Necディスプレイソリューションズ株式会社 | Ledバックライト表示装置及びledバックライト配置方法 |
Also Published As
Publication number | Publication date |
---|---|
KR101440499B1 (ko) | 2014-09-17 |
CN101666927A (zh) | 2010-03-10 |
US8733998B2 (en) | 2014-05-27 |
US20100053993A1 (en) | 2010-03-04 |
CN101666927B (zh) | 2014-07-02 |
JP5495256B2 (ja) | 2014-05-21 |
KR20100027417A (ko) | 2010-03-11 |
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