WO2006049040A1 - バックライトユニット及びこれを用いた液晶表示装置 - Google Patents
バックライトユニット及びこれを用いた液晶表示装置 Download PDFInfo
- Publication number
- WO2006049040A1 WO2006049040A1 PCT/JP2005/019577 JP2005019577W WO2006049040A1 WO 2006049040 A1 WO2006049040 A1 WO 2006049040A1 JP 2005019577 W JP2005019577 W JP 2005019577W WO 2006049040 A1 WO2006049040 A1 WO 2006049040A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frame
- support frame
- liquid crystal
- crystal display
- side wall
- Prior art date
Links
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
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/46—Fixing elements
- G02F2201/465—Snap -fit
Definitions
- the present invention relates to a backlight unit used in a liquid crystal display device, and more particularly to a backlight unit that prevents the support frame of a knocklight assembly from being detached and a liquid crystal display device using the backlight unit.
- a so-called edge light method is employed in which a linear light source is disposed on the side end face of a light guide plate and the side end face force is applied to the liquid crystal display panel with the incident light
- a known backlight unit is known (for example, see Patent Document 1 below)
- FIG. 4 is an exploded perspective view showing a backlight unit adopting the edge light system described in Patent Document 1 below.
- the backlight unit 30 includes members such as a holding frame 31, a heat radiating plate 34, a light guide plate 35, a linear light source 36, an optical sheet 37, a support frame 38, and the like.
- the holding frame 31 includes a bottom wall 3 la that comes into contact with the bottom surface of the radiator plate 34, and a pair of side walls that covers the open portion of the cover portion 34a by raising both side end forces of the bottom wall 31a.
- the metal frames 31b and 31b also have a force.
- Each side wall 31b and 31b has two holes 32 respectively.
- the support frame 38 that supports the liquid crystal display panel has a rectangular frame shape that is the same size as the bottom surface of the heat sink 34, and corresponds to each hole 32 provided in the opposite side walls 31b and 31b of the holding frame 31. Triangular prism-shaped claw portions 39 are formed at the locations.
- the backlight unit 30 is assembled.
- the support frame 38 and the holding frame 31 are joined by placing the support frame 38 between the side walls 31b and 31b, pressing the support frame 38 downward, and between the side walls 31b and 31b. Widen at the slope of each claw 39 to fit each claw 39 into each hole 32 and This fitting state is maintained using force.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-165031 (FIG. 1, paragraphs [0018] to [0023])
- the method of fixing the support frame as described above is such that the claw portion 39 projects through the hole 32 in the vertical direction, and the panel force of the side walls 31b and 31b and the frame side are wide in the horizontal direction.
- the support force of the holding frame is originally weak or weak for some reason, or the protruding height of the triangular prism-shaped claw 39 is low because the connection is made using the thick support frame 38 There is a risk that the claw portion 39 can be easily detached from the hole 32.
- a support frame has a tendency of a so-called narrow frame i.e.
- This support frame has come to be made of a resin mixed with a conductive filler in order to have a noise shielding function in addition to a support fixing function of members.
- the support frame made of such a resin has a weaker mechanical strength because the strength of the frame side is sacrificed and the amount of conductive filler is increased.
- a backlight using such a support frame is usually assembled by a parts maker, then transported to a device maker and placed on the assembly line of the next process! In the meantime, the support frame may lose its holding frame force due to vibration, impact, or handling.
- the present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is to provide a backlight unit that prevents the support frame from coming off, and a liquid crystal display device using the same. Is to provide.
- the knock light unit according to claim 1 includes a box-shaped case having a side wall and an upper opening, and a light source, an optical sheet, and the like inside the box-shaped case.
- a backlight unit including a frame-shaped support frame that accommodates a learning member and fits the optical member into the opening
- the first locking portion is disposed inside the side wall of the box-shaped case.
- a second locking portion is provided on the outer surface of the frame side wall of the support frame that is fitted into the upper opening of the box-type case, and a retaining means is attached to the second locking portion. When the stop portion is engaged, the retaining means is locked by the first locking portion and is prevented from being pulled out.
- the invention according to claim 2 relates to the backlight unit according to claim 1, wherein the second locking portion has a notch having a predetermined depth that opens above the support frame.
- the retaining means is provided on the bottom wall surface of the recessed groove.
- the invention according to claim 3 relates to the backlight unit according to claim 2, wherein the bottom wall surface of the recessed groove has a protruding portion protruding from the outer surface of the frame side wall by a predetermined length. And the above-mentioned retaining means is formed by a protrusion protruding upward from the leading edge of the protruding portion of the bottom wall surface.
- the invention described in claim 4 relates to the backlight unit described in claim 3, wherein the retaining means is a linear protrusion having a predetermined length.
- the invention according to claim 5 relates to the backlight unit according to claim 3, wherein the protruding portion has a length protruding from an outer surface of the frame side wall of the side wall of the box-type case. It is characterized by being approximately the same as the thickness, short or length.
- the invention according to claim 6 relates to the backlight unit according to claim 1 or 2.
- the first locking portion includes a groove on a side wall of the box-type case having a size that allows a protrusion provided on a frame side wall of the support frame to be inserted, and an upper side wall of the groove is recessed inward. The retaining means is locked to the recessed portion.
- a liquid crystal display device is characterized in that the backlight unit according to any one of claims 1 to 6 is used, a liquid crystal display panel is placed on the support frame, and is fixed by a front frame.
- the liquid crystal display device wherein a rectangular box-shaped case having a side wall and an upper opening is opened, and an optical member such as a light source and an optical sheet is accommodated in the box-shaped case.
- a liquid crystal display device comprising a front frame for fixing a liquid crystal display panel, a locking portion is provided on a side wall on the long side of the box-type case, and one long side of the support frame
- a locking portion is provided on the outer surface of the frame side wall on the side, and a retaining means is provided, and a locking portion is provided on the inner side surface of the frame side wall on the other long side of the support frame.
- the present invention has the following effects. That is, according to the first aspect of the present invention, the retaining means is attached to the second locking portion, and when the first and second locking portions are engaged, the retaining means is engaged with the first locking portion. Since it is stopped and pulled out, the box frame case force will not come off due to vibration, impact, etc. generated during transportation of the support frame of the knock light nut. As a result, when installing the liquid crystal panel in the knocklight unit, it is not necessary to inspect and repair the support frame, and it is possible to reduce the number of assembly steps of the device.
- the retaining means a linear protrusion, the area of engagement with the first retaining portion is widened, and stable retaining is achieved.
- the liquid crystal display panel is attached to the knocklight unit.
- the liquid crystal display panel is not displaced or wrinkled on the optical sheet even after the liquid crystal display panel is incorporated.
- the productivity of the liquid crystal display device can be increased, and even after the liquid crystal display panel is incorporated, the liquid crystal panel is displaced or the optical sheet is wrinkled. Furthermore, it can be bent to the back side of the liquid crystal display device without damaging the flexible circuit board.
- FIG. 1 is an exploded perspective view showing a liquid crystal display device using a backlight unit according to an embodiment of the present invention.
- FIG. 2 shows a support frame for supporting a liquid crystal display panel of a liquid crystal display device using the backlight unit of FIG. 1, FIG. 2A is a perspective view, and FIG. 2B is an enlarged view of portion A of FIG. 2A.
- FIG. 3 shows a backlight unit in which the backlight of FIG. 1 is assembled
- FIG. 3A is a perspective view
- FIG. 3B is an enlarged view of portion B of FIG. 3A.
- FIG. 4 is an exploded perspective view showing a conventional backlight unit.
- FIG. 1 is an exploded perspective view showing a liquid crystal display device using a knock light unit according to an embodiment of the present invention
- FIG. 2 is a liquid crystal display of the liquid crystal display device using the knock light unit of FIG.
- FIG. 2A is a perspective view of the support frame that supports the panel from the direction of the symbol X
- FIG. 2A is a perspective view
- FIG. 2B is an enlarged view of portion A of FIG. 2A
- FIG. 3 is a backlight unit in which the backlight of FIG. 3A is a perspective view
- FIG. 3B is an enlarged view of a portion B in FIG. 3A
- Fig. 3 is a view of the case back of Fig. 1 as viewed from the X direction.
- the liquid crystal display device 1 includes members such as a knock light unit 2, a liquid crystal display panel 15, and a front frame 18. Two of these members are the LCD panel 15
- the liquid crystal display panel 15 is composed of a panel 16 laminated with a liquid crystal layer (not shown) between the substrates 16a and 16b facing each other and a flexible circuit board 17 connected to the panel 16.
- the backlight unit 2 After the backlight unit 2 is assembled, it is placed on the support frame 11 and fixed to the backlight unit 2 by the front frame 18.
- the two substrates 16a and 16b are different in size and are opposed to each other with two sides aligned, and the remaining two sides that are not aligned are on the substrate 16b with a dry line for scanning lines and a video signal line.
- Each driver is mounted
- the knock light unit 2 includes a back cover case 3, a reflecting plate 6, a light guide plate 7, an optical sheet 10, a linear light source 8, and the like housed in the case 3, and these components are housed and fixed. It comprises a support frame 11 that supports the liquid crystal display panel 15.
- the back cover case 3 has a rectangular bottom plate 3a and short side plates 3b to 3e bent from the outer peripheral edge of the bottom plate 3a. It is formed by sheet metal processing.
- each locking portion 4 is composed of a narrow groove having a predetermined width and length, that is, a slit 4a, and a recessed portion 3d ′ in which a side plate 3d above the slit 4a is recessed.
- a plurality of locking portions are also formed on the long side plate 3e opposite to the side plate 3d. However, unlike the locking portion 4, this locking portion is formed of a simple structure with only slits.
- a reflective plate 6 is laid on the bottom plate 3a surface of the back cover case 3.
- the reflective plate 6 is made of, for example, a white PET film as a reflective material.
- the light guide plate 7 is substantially the same size as the liquid crystal display panel 15, and is formed of a transparent material that can guide light with a relatively thick plate thickness, such as acrylic resin.
- a linear light source 8 and a light-shielding tape (not shown) are disposed around the outer periphery of the light guide plate 7.
- the linear light source 8 uses a fluorescent lamp 8a having a substantially L shape, Sockets 8b and 8b are respectively attached to the end portions, and are arranged in contact with one corner of the light guide plate 7.
- the light-shielding tape is a tape made of a light-shielding material, and is provided with a fluorescent lamp 8 a and V, and at another corner of the light guide plate 7.
- a diffusion sheet 10a, a lens sheet 10b, and a reflective polarizing sheet 10c having substantially the same size as the light guide plate 7 are used. Further, projecting pieces 10a 'to LOc' for positioning and fixing are formed at one end edges of the sheets 10a to 10c.
- the support frame 11 has a window 11a for exposing the optical sheet 10 therein, and has a frame shape surrounded by four frame sides l lb to l le.
- the outer shape has a size that fits into the upper opening of the back cover case 3 and is formed of a synthetic resin material.
- the synthetic resin material a material mixed with a conductive filler may be used.
- the support frame 11 mixed with a conductive filler By using the support frame 11 mixed with a conductive filler, it is possible to effectively shield the noise emitted from the fluorescent lamp 8a from being emitted to the outside.
- the amount of the conductive filler mixed in the synthetic resin material is increased, the effect as a countermeasure against noise becomes higher, but there is a drawback that the strength of the support frame 11 is lowered correspondingly and is easily bent.
- the retaining means described later is attached to the support frame 11, even if the support frame 11 is easily bent, it is possible to prevent the support frame 11 from being detached from the back cover case 3.
- the amount of conductive filler mixed in the synthetic resin material can be increased.
- each frame side l lb to l le is formed with an enveloping wall raised upward from the outer peripheral edge of the surface thereof.
- the liquid crystal display panel can be positioned when the liquid crystal panel 15 is placed on the support frame 11.
- the flexible circuit board 17 connected to the liquid crystal panel 15 is formed in the vicinity of both ends of the frame side l ie so that the flexible circuit board 17 is not lifted by the raised wall. Do not overlap with 17 [0045]
- the frame side l ie has a protruding portion (not shown) force to be engaged with the slit of the side plate 3e of the back cover case 3.
- the inner side of the frame side l ie Is formed. If the locking portion is provided on the inner wall side in this way, when the frame side l ie is locked to the side plate 3e of the back cover case 3, the side plate 3e is covered with the wide frame side 1 le. Further, the engaging means for engaging the back cover case with the frame side is not exposed to the outside of the back cover case. Therefore, the flexible circuit board 17 on the wide frame side ie is not damaged by the side plate 3e of the back cover case 3. In particular, since the flexible circuit board 17 is normally bent to the back side of the back cover case 3, it is important that the engaging means is not exposed to the outside of the back cover case in order to prevent damage to the flexible circuit board. .
- a plurality (four in FIG. 2) of locking portions 12 to 12 are formed on the outer wall of the frame side id.
- These locking portions 12 to 12 are formed by recessed grooves 13 on the outer wall of the frame side id.
- these recessed grooves 13 have a predetermined width W in the longitudinal direction of the frame side id,
- the bottom wall 13a is formed with a protrusion 13b that protrudes a predetermined length W from the surface of the outer wall 112d.
- the locking portions 12 and 12 excluding both ends include a recessed groove 13
- the linear protrusion 14 is engaged with the recessed portion 3d ′ and functions to prevent the frame side id from being removed.
- the linear protrusion 14 is not limited to a linear shape, and may have any shape, for example, a quadrangular prism, a triangular prism, or a cylinder, but if it is on a very small pillar, it may be removed by an external force. A linear one is preferred.
- the frame piece l id is narrower and longer than the other frame pieces l lc and l ie, so that it is very easy to bend. For this reason, the frame piece id is easy to bend only by inserting the concave portion 3d ′ of the case side plate 3d into each concave groove 13, and the central portion is more likely to bend than both ends. Therefore, at least four locking portions 12 to 12 are excluded at both ends.
- the length W of the protruding portion 13b of the bottom wall 13a is set to be substantially the same as the plate thickness of the back cover case 3.
- the protrusion 13b does not protrude outside the outer wall surface of the backlight unit 2 at the time of engagement, so that the protruding portion is eliminated when assembling into another device, and the assembling becomes easy.
- the lengths of W, W, H, W, etc. are, for example, 7-inch type liquid crystal display panels.
- W is about 2.00 mm
- H is about 1.50 mm
- W is about 0.30 mm
- the height of the linear protrusion 14 is
- the frame sides l lb and 11c are not provided with a portion to be engaged with the back cover case 3, it is possible to prevent the knock unit 2 from becoming large in the longitudinal direction of the backlight unit 2. Talk to you.
- a plurality of portions to be engaged with the back cover case 3 are formed on the inner side of the frame side l ie on the side opposite to the frame side l id (not shown).
- the reflecting plate 6 is laid on the bottom 3 a of the back cover case 3, and the light guide plate 7 is placed on the reflecting plate 6.
- An L-shaped fluorescent lamp 8a and a light shielding tape are disposed around the outer periphery of the light guide plate 7, and a plurality of optical sheets 10 are placed thereon.
- the lead wire 8c connected to the sockets 8b and 8b attached to the end of the fluorescent lamp 8a is led out from the opening 3c ', and the connector 9 is attached to the other end to connect to an external power source. .
- the support frame 11 is first moved in the horizontal direction to lock the frame side 1 Id side to the case side plate 3d. .
- the frame side 11 e is locked to the case side plate 3 e by a locking portion formed on the inner wall of the frame side l ie.
- the light guide plate 7 and the optical sheet 10 are fixed, and the backlight unit 2 is assembled (FIG. 3A).
- the support frame 11 is fitted into the back cover case 3, as shown in FIGS. 2B and 3B, the protrusion 13b of the support frame 11 is inserted into the slit 4a of the back cover case 3 so that the vertical direction is reached.
- the liquid crystal panel 15 is placed on the support frame 11.
- the side where the flexible circuit board 17 connected to the liquid crystal panel 15 exists is arranged on the frame side ie side of the support frame 11.
- the top of the placed liquid crystal panel 15 is covered with a front frame 18, and the front frame 18 is fixed to the back cover case 3 to complete the liquid crystal display device.
- the support frame 11 is not detached from the back case 3. Therefore, when the liquid crystal panel 15 is assembled in the backlight unit 2 in the next step, the support frame 11 is supported. The inspection and repair of the frame 11 is not necessary, and the assembly man-hours can be reduced.
- the support frame may have a back cover case force due to vibration, impact, or handling V. Since it does not come off, there is no need for inspection and repair of the support frame, and the number of assembling steps can be reduced and the productivity of the liquid crystal display device can be increased.
- the support frame 11 is very difficult to move, the liquid crystal panel 15 and the optical sheet 10 are also stably placed and fixed.
- a point light source such as an LED is not limited to a linear light source such as a fluorescent lamp as a power light source described using a fluorescent lamp as a linear light source as a light source of a knock light. Regardless of the type of light source used or a surface light source, the shape of the light source is not limited. If the light from the light source is emitted uniformly from the knocklight, it will illuminate the liquid crystal panel. Good.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/718,294 US7659949B2 (en) | 2004-11-01 | 2005-10-25 | Backlight unit and liquid crystal display employing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004318076A JP4631396B2 (ja) | 2004-11-01 | 2004-11-01 | バックライトユニット及びこれを用いた液晶表示装置 |
JP2004-318076 | 2004-11-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006049040A1 true WO2006049040A1 (ja) | 2006-05-11 |
Family
ID=36319054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019577 WO2006049040A1 (ja) | 2004-11-01 | 2005-10-25 | バックライトユニット及びこれを用いた液晶表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7659949B2 (ja) |
JP (1) | JP4631396B2 (ja) |
KR (1) | KR100878388B1 (ja) |
TW (1) | TW200619782A (ja) |
WO (1) | WO2006049040A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008098829A1 (de) * | 2007-02-13 | 2008-08-21 | Osram Gesellschaft mit beschränkter Haftung | Beleuchtungssystem mit einer flachlampe und einem rahmen |
WO2009008617A2 (en) * | 2007-07-06 | 2009-01-15 | Lg Innotek Co., Ltd | Display device |
JP2015018700A (ja) * | 2013-07-11 | 2015-01-29 | ミネベア株式会社 | 面状照明装置 |
TWI724874B (zh) * | 2020-04-21 | 2021-04-11 | 香港商冠捷投資有限公司 | 顯示裝置及其製造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200815848A (en) * | 2006-09-22 | 2008-04-01 | Innolux Display Corp | Backlight module and liquid crystal display device using the same |
KR101262179B1 (ko) * | 2007-01-19 | 2013-05-14 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치용 케이스 |
KR100901616B1 (ko) * | 2007-07-06 | 2009-06-08 | 엘지이노텍 주식회사 | 수납장치 및 이를 가지는 표시장치 |
JP5007638B2 (ja) * | 2007-09-26 | 2012-08-22 | 富士通株式会社 | 電子機器 |
JP5369948B2 (ja) * | 2009-07-10 | 2013-12-18 | カシオ計算機株式会社 | 面光源及び液晶表示装置 |
TWI410715B (zh) * | 2009-12-18 | 2013-10-01 | Au Optronics Corp | 背光模組及其膠框結構 |
KR101278904B1 (ko) | 2011-12-27 | 2013-06-26 | (주)코텍 | 곡면디스플레이장치 |
TWI502824B (zh) * | 2012-12-04 | 2015-10-01 | Wistron Corp | 卡合機構及其相關電子裝置 |
WO2016125624A1 (ja) * | 2015-02-02 | 2016-08-11 | シャープ株式会社 | 表示装置 |
WO2019028688A1 (zh) * | 2017-08-09 | 2019-02-14 | 瑞仪(广州)光电子器件有限公司 | 框架组件及显示设备 |
JP2019082535A (ja) * | 2017-10-30 | 2019-05-30 | シャープ株式会社 | 表示装置 |
KR102253915B1 (ko) * | 2019-09-18 | 2021-05-20 | 엘지전자 주식회사 | 디스플레이 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04291319A (ja) * | 1991-03-20 | 1992-10-15 | Hitachi Ltd | 小形液晶モジュール |
JPH07199180A (ja) * | 1994-01-07 | 1995-08-04 | Hitachi Ltd | 液晶表示装置 |
JPH1152379A (ja) * | 1997-06-06 | 1999-02-26 | Toshiba Corp | 面光源装置及びそれを用いた平面表示装置 |
JP2001013889A (ja) * | 1999-06-29 | 2001-01-19 | Toshiba Corp | 平面表示装置 |
JP2004196201A (ja) * | 2002-12-20 | 2004-07-15 | Toyoda Gosei Co Ltd | ライセンスプレート照明装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100367012B1 (ko) * | 2000-08-21 | 2003-01-09 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
JP2003092020A (ja) | 2001-09-17 | 2003-03-28 | Seiko Instruments Inc | バックライト付き表示装置 |
JP2004165031A (ja) | 2002-11-14 | 2004-06-10 | Toyota Industries Corp | 面光源装置 |
-
2004
- 2004-11-01 JP JP2004318076A patent/JP4631396B2/ja active Active
-
2005
- 2005-10-25 US US11/718,294 patent/US7659949B2/en active Active
- 2005-10-25 KR KR1020077009937A patent/KR100878388B1/ko active IP Right Grant
- 2005-10-25 WO PCT/JP2005/019577 patent/WO2006049040A1/ja active Application Filing
- 2005-10-31 TW TW094138033A patent/TW200619782A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04291319A (ja) * | 1991-03-20 | 1992-10-15 | Hitachi Ltd | 小形液晶モジュール |
JPH07199180A (ja) * | 1994-01-07 | 1995-08-04 | Hitachi Ltd | 液晶表示装置 |
JPH1152379A (ja) * | 1997-06-06 | 1999-02-26 | Toshiba Corp | 面光源装置及びそれを用いた平面表示装置 |
JP2001013889A (ja) * | 1999-06-29 | 2001-01-19 | Toshiba Corp | 平面表示装置 |
JP2004196201A (ja) * | 2002-12-20 | 2004-07-15 | Toyoda Gosei Co Ltd | ライセンスプレート照明装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008098829A1 (de) * | 2007-02-13 | 2008-08-21 | Osram Gesellschaft mit beschränkter Haftung | Beleuchtungssystem mit einer flachlampe und einem rahmen |
WO2009008617A2 (en) * | 2007-07-06 | 2009-01-15 | Lg Innotek Co., Ltd | Display device |
WO2009008617A3 (en) * | 2007-07-06 | 2009-03-12 | Lg Innotek Co Ltd | Display device |
US8564730B2 (en) | 2007-07-06 | 2013-10-22 | Lg Display Co., Ltd. | Display device |
JP2015018700A (ja) * | 2013-07-11 | 2015-01-29 | ミネベア株式会社 | 面状照明装置 |
TWI724874B (zh) * | 2020-04-21 | 2021-04-11 | 香港商冠捷投資有限公司 | 顯示裝置及其製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100878388B1 (ko) | 2009-01-13 |
US20080088762A1 (en) | 2008-04-17 |
KR20070073848A (ko) | 2007-07-10 |
TW200619782A (en) | 2006-06-16 |
JP2006128036A (ja) | 2006-05-18 |
JP4631396B2 (ja) | 2011-02-16 |
US7659949B2 (en) | 2010-02-09 |
TWI305286B (ja) | 2009-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006049040A1 (ja) | バックライトユニット及びこれを用いた液晶表示装置 | |
US8587744B2 (en) | Liquid crystal display and fabricating method thereof | |
EP2006729B1 (en) | Liquid crystal module | |
US20090262554A1 (en) | Display apparatus | |
US7161643B2 (en) | Liquid crystal display device | |
KR100768621B1 (ko) | 액정 표시 장치 | |
KR101671466B1 (ko) | 백라이트 어셈블리 및 이를 갖는 표시장치 | |
JP2000258756A (ja) | 液晶モジュール | |
JP2005078917A (ja) | バックライト装置 | |
US8174644B2 (en) | Liquid crystal module | |
US7929078B2 (en) | Liquid crystal module having a pair of lamp frames with latching leg pieces | |
JP4605401B2 (ja) | バックライト装置 | |
JP4626621B2 (ja) | バックライト装置 | |
JP2008129474A (ja) | 表示装置 | |
JP4650448B2 (ja) | バックライト装置 | |
JP2008257952A (ja) | バックライト装置 | |
EP2006728A2 (en) | Liquid crystal module | |
JP2006163101A (ja) | 液晶表示装置 | |
KR100578315B1 (ko) | 액정표시장치 및 이에 채용되는 램프 어셈블리 | |
KR100644853B1 (ko) | 액정표시모듈 및 이를 이용한 액정표시장치 | |
KR100893062B1 (ko) | 수납장치 | |
KR100499155B1 (ko) | 액정표시장치의 백라이트 어셈블리 | |
JP4626622B2 (ja) | バックライト装置 | |
KR100708839B1 (ko) | 액정 표시 장치 | |
KR20070068117A (ko) | 몰드 프레임 및 이를 채용한 액정 표시 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 11718294 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077009937 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 05799357 Country of ref document: EP Kind code of ref document: A1 |
|
WWP | Wipo information: published in national office |
Ref document number: 11718294 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087029536 Country of ref document: KR |