JP5063042B2 - 色むら特性が改善されたled面光源およびこれを備えるlcdバックライトユニット - Google Patents
色むら特性が改善されたled面光源およびこれを備えるlcdバックライトユニット Download PDFInfo
- Publication number
- JP5063042B2 JP5063042B2 JP2006190915A JP2006190915A JP5063042B2 JP 5063042 B2 JP5063042 B2 JP 5063042B2 JP 2006190915 A JP2006190915 A JP 2006190915A JP 2006190915 A JP2006190915 A JP 2006190915A JP 5063042 B2 JP5063042 B2 JP 5063042B2
- Authority
- JP
- Japan
- Prior art keywords
- led
- green
- light source
- red
- leds
- 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
- G02F1/133603—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
- G02F1/133613—Direct backlight characterized by the sequence of light sources
Description
10 第1LED配列
20 第2LED配列
32、34、36、38 エッジ部
100 色座標分布
200 LCDバックライトユニット
210 LCDパネル
212 保護シート
214 集光シート
216 拡散シート
251 基板
252 LED
254 側壁
256 反射層
300、400 面光源
305 LEDマトリックス
311、312、411、412 エッジ部
410 第1列
420 第2列
430 第3列
440 第4列
415 緑色LED領域
450 色座標分布
462 小さい楕円領域
464 大きい楕円領域
Claims (1)
- LCDパネルに付着されたLCDバックライトユニットにおいて、
緑色LED、赤色LED、緑色LED、および青色LEDをこれらの順番に別部材を介さずに一定の間隔で隣接させて反復配置した列方向のLED配列が、1つの赤色LEDと1つの青色LEDが行方向に隣り合い、かつ2つの緑色LEDが前記行方向に隣り合い、かつ前記行方向において、隣り合う前記2つの緑色LEDの両脇のそれぞれが赤色LEDと青色LEDになるように、別部材を介さずに前記一定の間隔で前記行方向に繰り返し配置される光源と、
前記光源から入射された光を均一に拡散させる拡散シートと、
前記拡散シートから拡散された光を集光する集光シートと
を含むことを特徴とするLCDバックライトユニット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2005-0062297 | 2005-07-11 | ||
KR1020050062297A KR100780198B1 (ko) | 2005-07-11 | 2005-07-11 | 색 얼룩 특성이 개선된 led 면 광원 및 이를 구비하는lcd 백라이트 유닛 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010153359A Division JP2010245052A (ja) | 2005-07-11 | 2010-07-05 | 色むら特性が改善されたled面光源およびこれを備えるlcdバックライトユニット |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007027731A JP2007027731A (ja) | 2007-02-01 |
JP5063042B2 true JP5063042B2 (ja) | 2012-10-31 |
JP5063042B6 JP5063042B6 (ja) | 2013-01-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
NL2000128C2 (nl) | 2011-01-12 |
TW200710506A (en) | 2007-03-16 |
KR100780198B1 (ko) | 2007-11-27 |
JP2010245052A (ja) | 2010-10-28 |
KR20070007584A (ko) | 2007-01-16 |
NL2000128A1 (nl) | 2007-01-12 |
US7387421B2 (en) | 2008-06-17 |
CN1896840A (zh) | 2007-01-17 |
JP2007027731A (ja) | 2007-02-01 |
TWI347475B (en) | 2011-08-21 |
US20070008740A1 (en) | 2007-01-11 |
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