JP6688956B2 - 映像表示装置 - Google Patents
映像表示装置 Download PDFInfo
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- JP6688956B2 JP6688956B2 JP2017537543A JP2017537543A JP6688956B2 JP 6688956 B2 JP6688956 B2 JP 6688956B2 JP 2017537543 A JP2017537543 A JP 2017537543A JP 2017537543 A JP2017537543 A JP 2017537543A JP 6688956 B2 JP6688956 B2 JP 6688956B2
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- 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
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
-
- 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
- G02F1/133601—Illuminating devices for spatial active dimming
-
- 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
- G02F1/133612—Electrical details
-
- 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
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
以下、図1〜図9を参照しながら実施の形態1における映像表示装置1について説明する。なお、本実施の形態では、図面にX軸、Y軸、Z軸の3軸を示し、表示パネルの長辺に平行な方向の軸をX軸、表示パネルの短辺に平行な方向の軸をY軸、X軸Y軸の双方に直交する軸をZ軸とする。しかし、これらの軸は便宜的に示したものに過ぎず、何ら本開示を限定するものではない。
実施の形態1における映像表示装置1は、液晶の表示パネルと、その表示パネルを背面から照明するための光源基板と、を備える。映像表示装置1は、映像表示装置の一例である。光源基板には、各々が表示パネルの互いに異なる領域に対応して設けられた複数の発光素子と、複数の発光素子の各々を、制御信号によって表される明るさ(映像の対応領域内の明るさ)に応じた輝度で発光するように駆動(調光)するドライバ素子と、が搭載される。なお、映像の対応領域内の明るさとは、1つの発光素子(または、一箇所に配置された発光素子)が照明する表示パネルの領域(すなわち、その発光素子に対応する領域)における映像の明るさ(映像の部分的な明るさ)のことである。
以上のように、本実施の形態において、映像表示装置は、映像信号に基づいて映像を表示する表示パネルと、表示パネルの背面側に配置される光源基板と、光源基板の表示パネル側の面に取り付けられ、表示パネルに光を照射する複数の発光素子と、反射シートと、複数の発光素子の各々を駆動するドライバ素子と、を備える。反射シートは、互いに隣り合う発光素子の間を仕切り表示パネルに向かって膨出する隔壁部が形成され、光源基板の表示パネル側の面を発光素子を避けて覆う。ドライバ素子は、隔壁部により囲まれる光源基板の表示パネル側の面に取り付けられる。
次に、図10および図11を参照しながら、実施の形態2について説明する。
実施の形態2には、他の基板との電気的な接続をケーブルを介して行う構成を光源基板20に設けた映像表示装置1を開示する。実施の形態2では、実施の形態1の映像表示装置1の構成に加えて、適切なコネクタを選択してケーブルを接続できる構成を光源基板20が備えている。
以上のように、本実施の形態において、映像表示装置は、複数の光源基板を備えてもよい。複数の光源基板は、第一方向に沿って配列され、かつ第一方向に直交する第二方向に沿って配列されてもよい。
以上のように、本出願において開示する技術の例示として、実施の形態1および2を説明した。そのために、添付図面および詳細な説明を提供した。
1a 筐体
10 ベースプレート
11,12 補強梁
13,13a 開口
14,15 ケーブル
20,20a,20b,20c,20d,20e,20f,20g 光源基板
21 発光素子
22 第二ドライバ素子
23 第一ドライバ素子
24 開口
25 ビス孔
26a,26b 信号用入力コネクタ
27a,27b 信号用出力コネクタ
28a,28b 電源用入力コネクタ
29a,29b 電源用出力コネクタ
30 反射シート
31 隔壁部
32,33 開口
35 接着テープ
36 サポートピン
40 フラッタ
41,41A 孔
50 光学シート
60 モールドフレーム
70 表示パネル
71 領域
80 ベゼル
91 接続端子基板
92 信号処理基板
93 電源基板
Claims (4)
- 映像信号に基づいて映像を表示する表示パネルと、
前記表示パネルの背面側に配置される光源基板と、
前記光源基板の前記表示パネル側の面に取り付けられ、前記表示パネルに光を照射する複数の発光素子と、
互いに隣り合う前記発光素子の間を仕切り前記表示パネルに向かって
膨出する隔壁部が形成され、前記光源基板の前記表示パネル側の面を前記発光素子を避けて覆う反射シートと、
前記隔壁部により囲まれる前記光源基板の前記表示パネル側の面に取
り付けられ、複数の前記発光素子を調光する第二のドライバ素子と、前記第二のドライバ素子のゲート信号を生成する第一のドライバ素子と、
を備え、
前記複数の発光素子は、前記光源基板上に、第一方向に第一間隔で配置され、前記第一方向に直交する第二方向に第二間隔で配置され、
前記第一のドライバ素子および第二のドライバ素子は、互いに隣り合う前記複数の発光素子の間に、少なくとも前記第一間隔または前記第二間隔の中点近傍に配置されている、ことを特徴とした映像表示装置。 - 前記反射シートは、ポリプロピレンにより形成される、請求項1に記載の映像表示装置。
- 前記隔壁部は、頂上部から前記光源基板に向かって徐々に間隔が拡がる二つの傾斜面部を備え、一方の前記傾斜面部に対する他方の前記傾斜面部の角度は、45度より大きく、55度以下の範囲から選定される、請求項1に記載の映像表示装置。
- 当該映像表示装置は、複数の前記光源基板を備え、
複数の前記光源基板は、第一方向に沿って配列され、かつ、前記第一
方向に直交する第二方向に沿って配列され、
1枚の前記反射シートは、複数の前記光源基板を覆う、
請求項1に記載の映像表示装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015172363 | 2015-09-01 | ||
JP2015172363 | 2015-09-01 | ||
JP2016047674 | 2016-03-10 | ||
JP2016047674 | 2016-03-10 | ||
PCT/JP2016/003940 WO2017038081A1 (ja) | 2015-09-01 | 2016-08-30 | 映像表示装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2017038081A1 JPWO2017038081A1 (ja) | 2018-08-09 |
JP6688956B2 true JP6688956B2 (ja) | 2020-04-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017537543A Expired - Fee Related JP6688956B2 (ja) | 2015-09-01 | 2016-08-30 | 映像表示装置 |
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Country | Link |
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US (1) | US10643556B2 (ja) |
EP (1) | EP3346321B1 (ja) |
JP (1) | JP6688956B2 (ja) |
WO (1) | WO2017038081A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109212826B (zh) * | 2017-06-29 | 2021-07-27 | 中强光电股份有限公司 | 光源模块 |
JP2019061929A (ja) * | 2017-09-28 | 2019-04-18 | シャープ株式会社 | 照明装置及びそれを備えた表示装置 |
KR102533257B1 (ko) * | 2018-07-13 | 2023-05-17 | 삼성전자주식회사 | 반사시트 및 이를 구비한 디스플레이 장치 |
US11594665B2 (en) * | 2019-08-02 | 2023-02-28 | Nichia Corporation | Light-emitting unit and surface-emission light source |
JP7358875B2 (ja) * | 2019-09-20 | 2023-10-11 | 船井電機株式会社 | 照明装置および表示装置 |
JP7231832B2 (ja) | 2019-12-27 | 2023-03-02 | 日亜化学工業株式会社 | 発光装置、液晶表示装置 |
US11982905B2 (en) * | 2020-05-22 | 2024-05-14 | Apple Inc. | Electronic device display with a backlight having light-emitting diodes and driver integrated circuits in an active area |
CN113888956A (zh) * | 2020-07-03 | 2022-01-04 | 群创光电股份有限公司 | 背光模块及显示装置 |
EP3933495A1 (en) * | 2020-07-03 | 2022-01-05 | InnoLux Corporation | Backlight module and display device |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP3342665B2 (ja) | 1998-06-17 | 2002-11-11 | 株式会社カスト | 表示装置 |
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2016
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- 2016-08-30 EP EP16841115.5A patent/EP3346321B1/en active Active
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WO2017038081A1 (ja) | 2017-03-09 |
JPWO2017038081A1 (ja) | 2018-08-09 |
EP3346321B1 (en) | 2020-10-07 |
US10643556B2 (en) | 2020-05-05 |
EP3346321A1 (en) | 2018-07-11 |
US20180240420A1 (en) | 2018-08-23 |
EP3346321A4 (en) | 2018-07-25 |
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