JPWO2017038080A1 - 映像表示装置 - Google Patents
映像表示装置 Download PDFInfo
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- JPWO2017038080A1 JPWO2017038080A1 JP2017537542A JP2017537542A JPWO2017038080A1 JP WO2017038080 A1 JPWO2017038080 A1 JP WO2017038080A1 JP 2017537542 A JP2017537542 A JP 2017537542A JP 2017537542 A JP2017537542 A JP 2017537542A JP WO2017038080 A1 JPWO2017038080 A1 JP WO2017038080A1
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- light source
- display device
- light emitting
- video display
- source substrate
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- 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
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
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- G—PHYSICS
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- 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
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- 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
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- 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
- F21V19/00—Fastening of light sources or lamp holders
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- 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
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- 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
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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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
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- 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
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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- 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
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- 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
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- 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
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- G—PHYSICS
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- 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
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- 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
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- 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
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- 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
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Abstract
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、を備える。光源基板は、表示パネル側の面に配置される複数の発光素子と、複数の発光素子が取り付けられる面と同じ面に配置され、複数の発光素子の各々を駆動する複数のドライバ素子と、を備える。
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 隆起
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
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、を備える。光源基板は、表示パネル側の面に配置される複数の発光素子と、複数の発光素子が取り付けられる面と同じ面に配置され、複数の発光素子の各々を駆動する複数のドライバ素子と、を備える。
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 隆起
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 (6)
- 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、を備え、
前記光源基板は、
前記表示パネル側の面に配置される複数の発光素子と、
前記複数の発光素子が取り付けられる面と同じ面に配置され、前記複数の発光素子の各々を駆動する複数のドライバ素子と、を備える、
映像表示装置。 - 前記複数の発光素子の各々は、前記光源基板における、前記表示パネルの互いに異なる領域のそれぞれに対応した位置に配置され、
前記ドライバ素子は、前記領域に表示される映像の明るさに応じて、前記光源基板上の前記領域に対応する位置に配置される発光素子を調光する、
請求項1に記載の映像表示装置。 - 前記複数の発光素子は、第一方向に沿って第一間隔で配列され、かつ前記第一方向に直交する第二方向に沿って第二間隔で配列されており、
前記ドライバ素子は、前記第一間隔および前記第二間隔の中点、または前記中点の近傍に配置される、
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、
前記複数の光源基板は、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る、
請求項1に記載の映像表示装置。 - 前記第一方向に配列される前記光源基板および前記第二方向に配列される前記光源基板の少なくとも一方は、カスケード接続されている、
請求項4に記載の映像表示装置。 - 前記発光素子は、複数のLED(Light Emitting Diode)素子を直列に接続して構成されたLEDであり、駆動電圧は10(V)以上、50(V)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。
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