WO2007116555A1 - 発光装置並びにこれを備えた照明装置および液晶表示装置 - Google Patents
発光装置並びにこれを備えた照明装置および液晶表示装置 Download PDFInfo
- Publication number
- WO2007116555A1 WO2007116555A1 PCT/JP2006/321937 JP2006321937W WO2007116555A1 WO 2007116555 A1 WO2007116555 A1 WO 2007116555A1 JP 2006321937 W JP2006321937 W JP 2006321937W WO 2007116555 A1 WO2007116555 A1 WO 2007116555A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- led
- light
- emitting device
- wiring
- film
- Prior art date
Links
Classifications
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/047—Box-like arrangements of PCBs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2054—Light-reflecting surface, e.g. conductors, substrates, coatings, dielectrics
Definitions
- the present invention relates to an elongated light emitting device using LEDs, a lighting device such as a backlight using the light emitting device, and a liquid crystal display device using the lighting device.
- a display device that is thinner than a CRT (Cathode Ray Tube) and uses a liquid crystal panel has been widely used. Since the liquid crystal panel itself does not emit light, an image is displayed by light that is also irradiated with external light or illumination device power.
- CTR Cathode Ray Tube
- Examples of illumination devices used in liquid crystal display devices include sidelight type backlights proposed in Patent Document 1. This is arranged on the back side of the liquid crystal panel.
- a light emitting device in which LEDs (Light Emitting Diodes) as light sources are arranged in rows on the side of a flat plate called a light guide plate made of acrylic resin. The light from the light emitting device is reflected and propagates in the light guide plate, is emitted from the light exit surface on the top surface of the light guide plate, and irradiates the liquid crystal panel.
- LEDs Light Emitting Diodes
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-21147 (Pages 4-5, Figure 1)
- FIG. 12 is a schematic configuration diagram of a general conventional light emitting device.
- LEDs 143 are arranged in a row inside a reflector 142.
- the reflector 142 is provided with a reflective material on the inner surface, and an opening is provided on the light emitting surface side of the LED 143.
- the LEDs 143 are arranged on a film 141 and are connected in series by a wiring 144 provided on the film 141.
- Both ends of the wiring 144 are provided up to an end portion 14 la extending from the reflector 142 to the outside, and can be connected to an LED driver (not shown) provided outside the light emitting device 140.
- the film 144 has two layers, and the wiring 144 is disposed between the two layers of film. 144 wiring The turn and necessary area are determined by the specifications of current capacity and voltage.
- the light emitted from the LED 143 is reflected directly or by the inner surface of the reflector 142 and enters the light guide plate (not shown).
- the LED 143 has terminals corresponding to the chips of the respective colors. Since each of these terminals requires wiring 144, it requires three times as many wires as compared to a single chip LED.
- Figure 16 shows film 141 when two LEDs are connected in series using RGB-LEDs. In this case, the area required for the wiring 144 is further increased, and this area is further increased by providing a connector.
- the lighting device is also required to be thin, and in the case of the sidelight type knocklight, the light emitting device provided on the side surface of the light guide plate also needs to be thinned.
- the height of the light emitting device 140 (h in FIG. 12) is determined by the area necessary for the wiring 144 of the film 141 and the area necessary for providing the LED 143 as described above. As the area required for the wiring 144 is wider, the height of the light emitting device 140 is higher.
- an object of the present invention is to provide a light-emitting device that can be reduced in height and that can reduce the thickness of a backlight and a liquid crystal display device.
- a light-emitting device of the present invention includes a film, LEDs arranged in a line on the film, and an LED that is provided on the film and drives the LED and the LED
- the film is The LED mounting area in which the LED is disposed and the wiring area in which the wiring is provided are bent at the boundary between the LED mounting area and the wiring area
- the illumination device of the present invention includes the light-emitting device having the above-described configuration, and a light guide plate that propagates light emitted from the light-emitting device and emits output surface force light.
- the liquid crystal display device of the present invention includes a liquid crystal panel and the illumination device having the above-described configuration that irradiates the light emitted from the exit surface of the light guide plate with the back force of the liquid crystal panel.
- the height of the light-emitting device can be kept at a height necessary for installing an LED regardless of the area required for wiring, and the illumination provided with the light-emitting device Equipment and liquid crystal display devices can be made thinner.
- the height of the light emitting device can be reduced to a height necessary for arranging two LEDs.
- the luminance of the light emitting device can be improved while retaining.
- the LEDs in one LED mounting region in the arrangement direction with respect to the LEDs in the other LED mounting region, the light emitted from the light emitting device can be reduced.
- the reflective material on the side of the wiring region facing the LED, the light emitted from the LED can be emitted from the light emitting device more efficiently.
- the light-emitting device can be kept in a stable shape, and the support member is also formed of a plurality of members, thereby supporting the film. It can be easily placed on the member.
- FIG. 1 is a schematic configuration diagram of a liquid crystal display device according to a first embodiment.
- FIG. 2 is a plan view of the backlight according to the first embodiment.
- FIG. 12 is a schematic configuration diagram of a conventional light emitting device.
- FIG. 1 is a schematic configuration diagram of the liquid crystal display device according to the first embodiment
- FIG. 2 is a plan view of the backlight according to the first embodiment
- FIG. 3 is a front view of the backlight
- FIG. 4 is a diagram of the light emitting device.
- a front view and Fig. 5 are development views of the film.
- the liquid crystal display device 10 includes a liquid crystal panel 20 and a backlight 30 as an illumination device.
- the liquid crystal panel 20 includes a TFT substrate, a counter substrate, and a liquid crystal sealed between them, and controls the orientation of the liquid crystal by applying a voltage to both substrates to display an image.
- the backlight 30 is disposed on the back surface of the liquid crystal panel 20 and irradiates an image displayed on the liquid crystal panel 20 with white light emitted from the emission surface.
- the backlight 30 includes a light emitting device 40, a light guide plate 32, and a reflection plate 33, as shown in FIGS.
- the light emitting device 40 includes a reflector 42 and an LED 43 disposed inside thereof, and is disposed such that light emitted from the LED 43 enters the side surface of the light guide plate 32.
- the reflecting plate 33 is provided so as to face the surface of the light guide plate 32 opposite to the surface facing the liquid crystal panel 20.
- the light emitted from the LED 43 of the light emitting device 40 is reflected directly or on the inner surface of the reflector 42, enters the side surface of the light guide plate 32, propagates inside the light guide plate 32, and is on the surface facing the liquid crystal panel 20.
- the light is emitted as white light from a certain emission surface 32a.
- the light emitted from the light guide plate 32 to the reflection plate 33 side is also reflected by the reflection plate 33 and is incident on the light guide plate 32 again, and propagates through the inside thereof.
- the LED 43 is disposed on the film 41 as shown in FIGS.
- an FPC Flexible Printed Circuit
- a wiring 44 made of a metal foil such as copper is provided between two films can be used.
- the LEDs 43 are connected in series with each other by this wiring 44, and both ends are connected to the connector 45.
- the wiring 44 is not actually visible from the outside of the film 41. , Is indicated by a solid line, and a portion hidden by a reflector 46 described later is indicated by a broken line.
- a wire harness or FFC is connected to the connector 45, and an LED 43 and an LED dryer (not shown) that drives the LED 43 are connected to the connector 45.
- the film 41 is composed of an LED mounting area 41a in which the LED 43 is disposed, and a wiring area 41b in which the wiring 44 and the connector 45 are provided.
- the film 41 is bent at a boundary 41c between these areas, Has been placed.
- the boundary 41c is indicated by a two-dot chain line in the figure.
- the film 41 can be fixed to the inner surface of the reflector 42 with double-sided tape or an adhesive.
- a reflective material 46 is provided on the surface of the wiring region 41b facing the LED 43.
- the reflective material 46 may be a glossy tape, white tape or paint, and may be attached to the film 41 or may be a metal directly deposited.
- the reflector 42 serves as both a support member for the LED 43 and a reflection member that reflects the light emitted from the LED 43, and a portion of the inner surface where the film 41 is not provided is a reflection member.
- Material 46 is provided.
- the reflective material 46 may be a metallic glossy tape, white tape or paint, and may be a film obtained by directly depositing metal on the film 41.
- the height of the reflector 42 (h in FIG. 4) can be kept high enough to accommodate the LED 43, regardless of the area of the film 41 required for the wiring 44.
- the cock light 30 and the liquid crystal display device 10 can be thinned. Therefore, the height of the reflector 42 is reduced even when multiple LEDs are connected in series as shown in the conventional example, or when 13 ⁇ 4 ⁇ 8— 1 ⁇ : 0 is used as 1 ⁇ : 043.
- the wiring 44 can be provided with a margin.
- the wiring region 4 lb may be provided on both sides of the LED mounting region 4 la.
- FIG. 7 shows a case where two LED groups are connected in series, and the wiring 44 is provided in both wiring areas 41b. Further, the reflecting material 46 is provided in any wiring region 41b. As a result, even when the wiring 44 is complicated, it can be arranged with a margin. In this case, it is not necessary to provide a reflector directly on the inner surface of the reflector 42.
- the reflector 42 may be a plurality of members. In FIG.
- the reflector 42 has the same length in the arrangement direction of the LED 43, and is composed of L-shaped members 42a and 42b having a two-sided force on the side surface side and the back surface side with respect to the opening. Show.
- the LED mounting area 41a and one wiring area 41b are arranged in the inner member 42a, and then the member 42b having double-sided tape or adhesive on the inner surface is fitted to the member 42a, and the other wiring area is arranged. Is placed on the inner surface of the member 42b.
- the film 41 can be easily disposed on the reflector 42. If the film 41 has only one wiring region 41b, it can be arranged more easily because it only needs to be arranged on the member 42a before the member 42b is fitted.
- the wiring region 41b of the film 41 may be provided so as to go out of the reflector 42.
- the LED mounting area 41a of the film 41 is provided on the inner surface of the reflector 42
- the wiring area 41b is provided on the outer surface of the reflector 42 so as to face the LED mounting area 41a across the reflector 42. It has been.
- the reflector 42 is composed of an L-shaped member 42c and a plate-like member 42d having a two-sided force on the side surface and the back surface with respect to the opening, and the member 42c and the member 42d are at both ends in the longitudinal direction. There is a gap through which the film 41 passes.
- the light emitting device 40 can be manufactured by attaching the member 42d after the film 41 is provided on the member 42c. In this case, no reflective material is provided in the wiring region 41b, and the reflective material 46 is provided on the surface of the inner surface of the reflector 42 facing the LED 43.
- the height of the reflector 42 (h in FIG. 8) can be kept high enough to accommodate the LED 43, and the knocklight 30 can be made thin. Further, since the connector 45 is disposed outside the reflector 42, the design freedom of the backlight 30 and the liquid crystal display device 10 is increased.
- a film 41 having wiring regions 41b provided on both sides of the LED mounting region 4la can also be used. In this case, the wiring region 41b having the connector 45 may be disposed outside the reflector 42 as described above, and the other wiring region 41b may be disposed on the inner surface of the reflector 42.
- FIG. 10 is a front view of the light emitting device.
- the second embodiment is the same as the first embodiment except that the arrangement of the LEDs on the film is different, and substantially the same parts are denoted by the same reference numerals.
- the film 41 includes two LED mounting regions 41a with a wiring region of 4 lb interposed therebetween as shown in FIG.
- a plurality of LEDs 43 are provided in each LED mounting area 41 a and are connected by wiring 44.
- the wiring 44 connected to any LED mounting area 41a is also arranged in the wiring area 41b, and is connected to a connector 45 provided at one end of the wiring area 41b.
- a reflective material 46 is provided in the wiring region 41b.
- the film 41 configured as described above is bent at a boundary 41c between the LED mounting region 41a and the wiring region 41b, and is disposed on the inner surface of the reflector 42.
- the LED 43 in each LED mounting area 41 a has the light exit surface facing the opening of the reflector 42.
- the height of the reflector 42 (h in FIG. 10) can be kept high enough to accommodate two LEDs 43, and the knocklight 30 can be kept thin.
- the LEDs 43 are provided in two rows, the luminance of the backlight 30 can be improved.
- the LED 43 in one LED mounting region 41a is replaced with the LED 43 in the other LED mounting region 41a and the LED 43 arrangement direction (A direction in FIG. 11). It may be provided to be shifted. As a result, when the LED 43 is turned on, the portion generated between the LEDs 43 in the one LED mounting area 41a can be canceled out by the light of the LED 43 in the other LED mounting area 41a. Light that enters the light guide plate 32 from 40 can be made less uneven.
- the reflector 42 may be formed of two members as shown in FIG. In this case, the film 41 can be easily placed on the reflector 42.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/281,342 US8235574B2 (en) | 2006-04-07 | 2006-11-02 | Light-emitting device, illuminating device comprising same, and liquid crystal display |
CN2006800541557A CN101416102B (zh) | 2006-04-07 | 2006-11-02 | 发光装置以及具备该发光装置的照明装置和液晶显示装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006106177 | 2006-04-07 | ||
JP2006-106177 | 2006-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007116555A1 true WO2007116555A1 (ja) | 2007-10-18 |
Family
ID=38580858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/321937 WO2007116555A1 (ja) | 2006-04-07 | 2006-11-02 | 発光装置並びにこれを備えた照明装置および液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8235574B2 (ja) |
CN (1) | CN101416102B (ja) |
WO (1) | WO2007116555A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015170813A (ja) * | 2014-03-10 | 2015-09-28 | 日亜化学工業株式会社 | 発光装置 |
WO2017010387A1 (ja) * | 2015-07-13 | 2017-01-19 | シャープ株式会社 | 照明装置および表示装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080232134A1 (en) * | 2007-03-23 | 2008-09-25 | Promate Electronic Co., Ltd. | Replaceable LED light source device used in backlight module |
JP5506483B2 (ja) * | 2010-03-19 | 2014-05-28 | 日立コンシューマエレクトロニクス株式会社 | 液晶表示装置および照明装置 |
JP2012099629A (ja) * | 2010-11-02 | 2012-05-24 | Funai Electric Co Ltd | Led照明装置およびケーブル接続検知装置 |
JP5754196B2 (ja) * | 2011-03-23 | 2015-07-29 | ソニー株式会社 | 照明装置および表示装置 |
TW201327515A (zh) * | 2011-12-30 | 2013-07-01 | Au Optronics Corp | 發光二極體模組 |
US9949334B2 (en) * | 2014-05-01 | 2018-04-17 | Ford Global Technologies, Llc | ESD protection for dynamic lighting |
CN105954931A (zh) * | 2016-06-28 | 2016-09-21 | 广东欧珀移动通信有限公司 | 背光模组、显示模组及电子装置 |
JP6689180B2 (ja) * | 2016-11-30 | 2020-04-28 | ミネベアミツミ株式会社 | 面状照明装置 |
US10317614B1 (en) * | 2017-03-14 | 2019-06-11 | Automatad Assembly Corporation | SSL lighting apparatus |
US10655823B1 (en) | 2019-02-04 | 2020-05-19 | Automated Assembly Corporation | SSL lighting apparatus |
US10995931B1 (en) | 2020-08-06 | 2021-05-04 | Automated Assembly Corporation | SSL lighting apparatus |
Citations (4)
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JP2002231033A (ja) * | 2001-01-31 | 2002-08-16 | Digital Electronics Corp | 表示装置のバックライト取付構造 |
JP2002350850A (ja) * | 2001-05-30 | 2002-12-04 | Hitachi Ltd | 液晶表示装置 |
JP2003092020A (ja) * | 2001-09-17 | 2003-03-28 | Seiko Instruments Inc | バックライト付き表示装置 |
JP2005196989A (ja) * | 2003-12-26 | 2005-07-21 | Fujitsu Display Technologies Corp | バックライト及び液晶表示装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6697130B2 (en) * | 2001-01-16 | 2004-02-24 | Visteon Global Technologies, Inc. | Flexible led backlighting circuit |
JP2004021147A (ja) | 2002-06-20 | 2004-01-22 | Advanced Display Inc | 面状光源装置及びそれを用いた液晶表示装置 |
-
2006
- 2006-11-02 CN CN2006800541557A patent/CN101416102B/zh not_active Expired - Fee Related
- 2006-11-02 US US12/281,342 patent/US8235574B2/en not_active Expired - Fee Related
- 2006-11-02 WO PCT/JP2006/321937 patent/WO2007116555A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002231033A (ja) * | 2001-01-31 | 2002-08-16 | Digital Electronics Corp | 表示装置のバックライト取付構造 |
JP2002350850A (ja) * | 2001-05-30 | 2002-12-04 | Hitachi Ltd | 液晶表示装置 |
JP2003092020A (ja) * | 2001-09-17 | 2003-03-28 | Seiko Instruments Inc | バックライト付き表示装置 |
JP2005196989A (ja) * | 2003-12-26 | 2005-07-21 | Fujitsu Display Technologies Corp | バックライト及び液晶表示装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015170813A (ja) * | 2014-03-10 | 2015-09-28 | 日亜化学工業株式会社 | 発光装置 |
WO2017010387A1 (ja) * | 2015-07-13 | 2017-01-19 | シャープ株式会社 | 照明装置および表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090052165A1 (en) | 2009-02-26 |
CN101416102A (zh) | 2009-04-22 |
CN101416102B (zh) | 2011-08-10 |
US8235574B2 (en) | 2012-08-07 |
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